My Inquiry
My Account
Skyworks Solutions Inc. AAT1232ITP-T1
- Part No.:
- AAT1232ITP-T1
- Manufacturer:
- Skyworks Solutions Inc.
- Package:
- 12-TFSOJ (0.094", 2.40mm Width)
- Datasheet:
-
AAT1232ITP-T1.pdf
- Description:
- IC REG BOOST ADJ 100MA 12TSOPJW
- Quantity:
- Payment:
- Shipping:
Inventory:4,651
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
AAT1232ITP-T1 from Skyworks Solutions is a 24V, 100mA step-up DC/DC converter with integrated P- and N-channel MOSFETs, hysteretic control, true load disconnect, and dual feedback reference selection (FB1 = 1.2V, FB2 = 0.6V). It operates from 2.7V–5.5V input and delivers regulated bias voltage for OLED/LCD/CCD displays in space-constrained portable devices.
For engineers reviewing the AAT1232ITP-T1 datasheet, AAT1232ITP-T1 pinout, AAT1232ITP-T1 application, or AAT1232ITP-T1 equivalent, key selection criteria include its 2MHz max switching frequency, <1μA shutdown current, dynamic S2Cwire™ programmability, thermal protection at 140°C, and compatibility with 2.2μH inductors and ceramic output capacitors.
Technical Context
The AAT1232ITP-T1 implements a hysteretic current-mode control loop with no external compensation required, enabling fast transient response and stable operation across 0–100mA load range. Its dual feedback architecture supports static or dynamic selection between two output voltage setpoints via SEL pin or full 16-level programmability via S2Cwire™ on EN/SET.
It integrates a slew-rate-controlled P-channel input disconnect switch (RDS(ON) = 0.18Ω) and an N-channel power switch (RDS(ON) = 0.08Ω), delivering up to 85% efficiency at 18V/100mA with VIN = 3.6V. Over-temperature shutdown (140°C, 15°C hysteresis) and cycle-by-cycle current limiting (3.0A typical) ensure robust fault handling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VIN Range | 2.7V to 5.5V - supports single-cell Li-ion battery operation without pre-regulation. |
| VOUT Max / IOUT | 24V @ 100mA - sufficient for high-voltage bias rails in OLED, CCD, and LCD panels. |
| Switching Frequency | Up to 2MHz - enables use of ultra-small 2.2μH inductors and 0805 ceramic capacitors. |
| Feedback References | FB1 = 1.2V (SEL = high), FB2 = 0.6V (SEL = low) - enables 2× output voltage ratio with resistor-divider programming. |
| Shutdown Current | <1μA - eliminates leakage during system sleep, preserving battery life in handheld devices. |
| Protection Features | Cycle-by-cycle current limit (3.0A), over-temperature shutdown (140°C), UVLO (2.7V rising), soft-start - ensures safe startup and fault recovery without external circuitry. |
| Package | TDFN34-16 (3×4mm, 0.75mm height) - thermally enhanced, Pb-free, suitable for high-density portable PCB layouts. |
Pinout & Package
The AAT1232ITP-T1 is packaged in a Pb-free, thermally enhanced 16-pin TDFN (3×4mm, 0.75mm height) with exposed paddle internally connected to SW. Pin functions are validated per Skyworks datasheet Rev. 202058A.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VP | Input power source node | Connects to source of internal P-channel MOSFET; requires ≥2.2μF bypass capacitor to PGND for stability. |
| EN/SET | Enable + S2Cwire™ serial interface | Active-high enable; when SEL = low, accepts S2Cwire™ pulses for 16-level output voltage programming. |
| SEL | Feedback reference selector | High selects FB1 (1.2V); low selects FB2 (0.6V) or enables S2Cwire™ mode - determines output voltage setpoint. |
| VIN | Main input supply | Directly tied to VP; supplies bias for internal circuitry and sets UVLO threshold (2.7V). |
| N/C | No connection | Pin 5 in TSOPJW-12; must remain unconnected - no internal connection or function. |
| SW | Switching node | Drain of internal N-channel MOSFET; connects to inductor and Schottky diode anode - high dv/dt node requiring careful layout. |
| PGND | Power ground return | Source of internal N-channel MOSFET; must be low-impedance path for inductor and output capacitor returns. |
| GND | Analog ground reference | Separate from PGND; provides clean reference for FB1/FB2 comparators and control logic. |
| FB1 / FB2 | Feedback inputs | FB1 active when SEL = high (1.2V ref); FB2 active when SEL = low (0.6V ref) - used with external resistor divider to set VOUT. |
| LIN | Inductor connection | Switched input terminal; connects to inductor free end - non-switching node, suitable for PCB heatsinking. |
Key Features
| Feature | Design Value |
|---|---|
| Hysteretic control architecture | Eliminates need for external compensation components while maintaining stability across 0–100mA load and 2.7–5.5V input range. |
| True load disconnect | Internal P-channel switch isolates output from input when EN/SET = low, ensuring zero output voltage and <1μA shutdown current. |
| Dual dynamic voltage control | Hardware SEL pin toggles between two preset outputs; S2Cwire™ on EN/SET enables 16-step programmability without additional pins or protocols. |
| Integrated power switches | P-channel RDS(ON) = 0.18Ω and N-channel RDS(ON) = 0.08Ω reduce conduction loss and simplify BOM versus discrete solutions. |
| Thermal and fault protection | Auto-recovering over-temperature shutdown (140°C), cycle-by-cycle current limit (3.0A), and UVLO prevent damage under overload or brownout. |
Applications
| CCD Bias Circuit | OLED Display Power |
|---|---|
Use Scenario: Providing stable high-voltage bias (12–24V) to charge-coupled device image sensors in digital still cameras. IC Role / Device Role / Timing Role: Step-up converter generating precise, low-noise bias voltage with fast transient response to sensor exposure cycles. Use Value: Enables compact camera modules by replacing discrete boost stages; 2MHz operation minimizes EMI near sensitive analog imaging circuits. |
Use Scenario: Supplying programmable anode/cathode bias for monochrome or color OLED panels in mobile handsets and MP3 players. IC Role / Device Role / Timing Role: Programmable DC/DC regulator supporting dynamic brightness control via S2Cwire™ voltage scaling. Use Value: Reduces system power consumption by matching output voltage to real-time display content, extending battery runtime. |
| LCD Bias Generation | Digital Still Camera Core Power |
Use Scenario: Generating positive and negative bias voltages (e.g., VPOS = 18V, VNEG = –5V) for TFT-LCD driver ICs in PDAs and notebook PCs. IC Role / Device Role / Timing Role: Primary positive rail generator; paired with inverting charge pump for complementary bias rails. Use Value: Achieves tight line/load regulation (0.6%/V, 0.02%/mA) critical for consistent LCD contrast and grayscale fidelity. |
Use Scenario: Powering CCD analog front-end, flash memory, and microcontroller peripherals from a shared Li-ion cell in compact DSC designs. IC Role / Device Role / Timing Role: High-efficiency, low-quiescent-current boost stage enabling always-on sensor wake-up and rapid image capture. Use Value: <1μA shutdown current preserves battery charge during standby; soft-start prevents inrush-induced system reset. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-up converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS61040DRVR | Fixed 28V max output; no dual-reference or S2Cwire™; 500kHz fixed-frequency PWM control; requires external compensation. | Lacks dynamic voltage selection and true load disconnect; suited for simpler fixed-output bias rails where programmability is unnecessary. | Choose TPS61040DRVR only if fixed 28V output suffices and board space allows larger inductor/capacitor footprint. |
| MAX17062ETA+ | 20V max output; 1.2MHz fixed frequency; integrated Schottky; no S2Cwire™; uses I²C interface for programmability. | Lower max output limits use in 24V OLED/CCD applications; I²C requires two pins vs. S2Cwire™'s single-wire simplicity. | Select MAX17062ETA+ when I²C infrastructure already exists and 20V output meets system requirements. |
Compared with TPS61040DRVR and MAX17062ETA+, the AAT1232ITP-T1 uniquely combines 24V capability, dual-reference hardware selection, and single-wire S2Cwire™ programmability in a 3×4mm package-enabling smaller footprints and richer voltage management in portable imaging and display systems.
Availability
AAT1232ITP-T1 is available at Aetrix Electronics and suitable for OLED display bias, CCD sensor power, and LCD panel drivers requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for AAT1232ITP-T1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Skyworks Solutions is a global semiconductor company specializing in analog and mixed-signal connectivity solutions for wireless, automotive, and industrial markets.
The AAT1232ITP-T1 belongs to Skyworks' Analog Power Management product line, designed specifically for high-efficiency, small-footprint DC/DC conversion in battery-powered portable electronics with stringent size and quiescent current constraints.
FAQ
What is the maximum output voltage and load current supported by the AAT1232ITP-T1?
The AAT1232ITP-T1 supports a maximum output voltage of 24V at up to 100mA load current when operating from a 2.7V–5.5V input. This rating is verified across the full –40°C to +85°C temperature range with appropriate external components (2.2μH inductor, 2.2μF/25V output capacitor, and 30V Schottky diode). Efficiency reaches up to 85% at 18V/100mA with VIN = 3.6V.
How does the AAT1232ITP-T1 implement true load disconnect, and what is its benefit?
The AAT1232ITP-T1 implements true load disconnect using an integrated slew-rate-controlled P-channel MOSFET between VP and VIN. When EN/SET is pulled low, this switch opens, isolating the output from the input supply and reducing shutdown current to <1μA. This feature maintains zero output voltage during disable, eliminating leakage paths that would otherwise drain battery in portable devices like digital cameras and MP3 players.
Can the AAT1232ITP-T1 be programmed to more than two output voltages, and how?
Yes - the AAT1232ITP-T1 supports 16 discrete output voltage levels via its proprietary S2Cwire™ single-wire serial interface on the EN/SET pin. This requires pulling SEL low and sending timed rising-edge pulses to EN/SET. Table 2 in the datasheet maps each pulse count (1–16) to a specific FB2 reference voltage (0.60V–1.19V), enabling fine-grained adjustment across a 2× output range without additional pins or communication overhead.
What package type and thermal characteristics does the AAT1232ITP-T1 have?
The AAT1232ITP-T1 is supplied in a Pb-free, thermally enhanced 16-pin TDFN package (3×4mm, 0.75mm height) with an exposed paddle internally connected to the SW node. Its thermal resistance θJA is 44°C/W, and maximum power dissipation at TA = 25°C is 2270mW. The exposed paddle improves heat transfer to the PCB, supporting reliable operation at full 100mA load in compact handheld enclosures.
Does the AAT1232ITP-T1 require external compensation components, and why not?
No - the AAT1232ITP-T1 uses a hysteretic control architecture that inherently provides loop stability without external compensation. Its feedback loop directly modulates peak inductor current based on FB1/FB2 error voltage, eliminating right-half-plane zeros and avoiding phase-margin concerns. This simplifies design, reduces bill-of-materials cost, and improves transient response compared to traditional voltage-mode or current-mode controllers requiring RC networks.
AAT1232ITP-T1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 12-TFSOJ (0.094", 2.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Function:
- Step-Up
- Output Configuration:
- Positive
- Topology:
- Boost
- Output Type:
- Adjustable
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.7V
- Voltage - Output (Max):
- 24V
- Current - Output:
- 100mA
- Frequency - Switching:
- Up to 2MHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 12-TSOPJW
AAT1232ITP-T1 FAQ
1.How can I place an order for AAT1232ITP-T1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AAT1232ITP-T1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AAT1232ITP-T1 reliable?
The price and inventory of AAT1232ITP-T1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AAT1232ITP-T1 is usually 5 days.
3.What payment methods are accepted for AAT1232ITP-T1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AAT1232ITP-T1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AAT1232ITP-T1?
AAT1232ITP-T1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AAT1232ITP-T1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AAT1232ITP-T1?
For technical support, including AAT1232ITP-T1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AAT1232ITP-T1 requirements.
6.How does Aetrix verify that AAT1232ITP-T1 is sourced from the original manufacturer or authorized distributors?
All AAT1232ITP-T1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AAT1232ITP-T1 meets industry standards.
7.What is the process for return or replacement of AAT1232ITP-T1?
All AAT1232ITP-T1 units undergo pre-shipment inspection (PSI). If there is an issue with AAT1232ITP-T1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AAT1232ITP-T1 part is unused and in its original packaging.
Return procedure for AAT1232ITP-T1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AAT1232ITP-T1 Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
