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Texas Instruments TPS60241DGKR
- Part No.:
- TPS60241DGKR
- Manufacturer:
- Texas Instruments
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
TPS60241DGKR.pdf
- Description:
- IC REG CHARG PUMP 5V 25MA 8VSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,676
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Product details
Overview
TPS60241DGKR from Texas Instruments is a switched-capacitor buck-boost DC-DC converter optimized for low-noise voltage-controlled oscillator (VCO) and phase-locked loop (PLL) power supplies. It delivers a regulated 5-V output with ±2.5% accuracy, supports 2.7 V to 5.5 V input, provides up to 25 mA output current, achieves 170 µVrms output noise (20 Hz–10 MHz), and operates in an 8-pin VSSOP package without inductors.
For engineers reviewing the TPS60241DGKR datasheet, TPS60241DGKR pinout, TPS60241DGKR application, or TPS60241DGKR equivalent, this device is selected for ultra-low-ripple biasing of RF timing circuits where EMI-sensitive analog performance, tight output regulation under load transients, and minimal external component count are critical design requirements.
Technical Context
The TPS60241DGKR implements a proprietary dual-phase charge pump architecture with operational amplifier-based feedback control to eliminate switching ripple during COUT discharge. Its fixed 160 kHz internal oscillator drives interleaved flying capacitor (C1/C2) switching, enabling zero-ripple regulation without magnetic components.
It integrates thermal shutdown (trip at 160°C, reset at 140°C), output current limiting, and logic-controlled enable (EN) with 0.1 µA shutdown quiescent current. The device requires only four 1-µF ceramic capacitors - no inductors - and maintains regulation across –40°C to +85°C ambient temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5 V ±2.5% over load and temperature - ensures stable VCO tuning voltage within PLL lock range |
| Input Voltage Range | 2.7 V to 5.5 V - supports direct connection to Li-ion, 3.3-V rails, or boosted battery sources |
| Max Output Current | 25 mA continuous - sufficient for RF VCO core bias and buffer stages in mobile transceivers |
| Output Noise | 170 µVrms (20 Hz–10 MHz bandwidth) - minimizes phase noise degradation in oscillator circuits |
| Efficiency | 90.8% at 10 mA / 2.7 V input - reduces thermal load in space-constrained handheld RF modules |
| Quiescent Current | 250 µA typical active, 0.1 µA in shutdown - extends battery life in always-on RF subsystems |
| Switching Frequency | 160 kHz typical - enables use of small 0805 ceramic capacitors and avoids AM/FM interference bands |
Pinout & Package
TPS60241DGKR is housed in an 8-pin VSSOP (DGK) package, 3.0 mm × 3.0 mm × 1.1 mm profile, RoHS-compliant, moisture sensitivity level 2 (260°C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Power input | Supplies 2.7–5.5 V; bypassed to GND with 1-µF ceramic capacitor to stabilize input impedance |
| VOUT | Regulated output | Delivers 5-V ±2.5% output; requires 1-µF ceramic capacitor to GND for ripple suppression |
| EN | Enable control | Active-high logic input; transitions to 0.1 µA shutdown when pulled low; 1.3 V min VIH, 0.4 V max VIL |
| GND | Ground reference | Common return path for input, output, and flying capacitors; must be low-impedance plane |
| C1+, C1− | Flying capacitor 1 terminals | Interleaved charge-transfer nodes for first phase; require 1-µF ceramic capacitor between them |
| C2+, C2− | Flying capacitor 2 terminals | Interleaved charge-transfer nodes for second phase; require 1-µF ceramic capacitor between them |
Key Features
| Feature | Design Value |
|---|---|
| Dual-phase zero-ripple regulation | Eliminates switching ripple via op-amp feedback and interleaved flying capacitors - critical for VCO phase noise |
| No-inductor architecture | Reduces board area, eliminates EMI from magnetic fields, and simplifies layout for RF-sensitive applications |
| Ultra-low noise output | 170 µVrms broadband noise ensures minimal jitter injection into PLL/VCO signal paths |
| Thermal and current protection | Auto-shutdown at 160°C junction temperature and built-in current limit prevent damage during fault conditions |
| Low-power shutdown mode | 0.1 µA supply current enables rapid on/off cycling in burst-mode RF systems without leakage penalty |
Applications
| VCO Power Supply | PLL Reference Bias |
|---|---|
Use Scenario: Providing clean, regulated 5-V supply to voltage-controlled oscillators in cellular front-end modules. IC Role / Device Role / Timing Role: Primary low-noise bias source for VCO core and varactor diodes. Use Value: 170 µVrms noise prevents phase noise degradation; ±2.5% regulation maintains frequency stability across battery discharge. |
Use Scenario: Delivering stable 5-V reference voltage to PLL charge pumps and loop filters in wireless SoCs. IC Role / Device Role / Timing Role: Precision auxiliary rail for analog PLL subsystems requiring low drift and high PSRR. Use Value: Dual-phase topology rejects input ripple; 25 mA output supports multi-stage filter networks without droop. |
| Smartphone RF Transceiver | PCMCIA Modem Power |
Use Scenario: Generating 5-V VCO supply from a shared 3.3-V system rail in LTE/Wi-Fi combo chips. IC Role / Device Role / Timing Role: Compact, inductorless boost converter integrated into RF module PCB. Use Value: 8-pin VSSOP footprint fits tight RF layouts; 90.8% efficiency minimizes thermal impact near sensitive analog blocks. |
Use Scenario: Powering VCOs and synthesizers in legacy PCMCIA modems operating from 3.3-V host bus. IC Role / Device Role / Timing Role: Low-EMI local regulator replacing inefficient linear solutions. Use Value: No inductor eliminates crosstalk into adjacent data lines; 0.1 µA shutdown enables full modem sleep states. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar switched-capacitor voltage converter applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS60240DGKR | 3.3-V fixed output; wider 1.8–5.5 V input range; identical pinout and package | Used where 3.3-V VCO/PLL bias is required instead of 5 V | Select when system-level output voltage requirement is 3.3 V and input may drop below 2.7 V |
| MAX864ESA+ | 5-V output, but uses single-phase topology; 200 µVrms noise; SO-8 package | Lacks zero-ripple architecture; higher noise limits use in ultra-low-jitter VCOs | Choose only if board space allows SO-8 and phase noise budget permits ~18% higher noise floor |
Compared with TPS60240DGKR, the TPS60241DGKR provides higher output voltage for 5-V VCOs while maintaining identical layout compatibility; compared with MAX864ESA+, it delivers superior noise performance and true zero-ripple operation essential for modern RF timing integrity.
Availability
TPS60241DGKR is available at Aetrix Electronics and suitable for smartphone RF transceivers, PCMCIA modem designs, and handheld metering systems requiring stable component supply with guaranteed long-term manufacturability.
Supply support for TPS60241DGKR 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
Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and digital signal technologies, with leadership in power management innovation.
The TPS6024x family was designed specifically for low-noise, inductorless power conversion in RF timing circuits - targeting VCO and PLL biasing where traditional switching regulators introduce unacceptable phase noise.
FAQ
What is the minimum input voltage required for TPS60241DGKR to regulate 5 V?
The TPS60241DGKR requires a minimum input voltage of 2.7 V to guarantee startup and regulation at 5 V output. Below 2.7 V, the device may not initiate switching or sustain regulation under load - confirmed by assured-startup testing at IOUT ≤12 mA and RL = 417 Ω per TI SLVS372C Section 6.5.
Does TPS60241DGKR require external compensation components?
No, the TPS60241DGKR uses internal op-amp feedback with fixed compensation - no external resistors, capacitors, or network tuning is needed. Its dual-phase charge pump and integrated reference ensure stable regulation with only four 1-µF ceramic capacitors (CIN, COUT, C1, C2) as specified in the typical application schematic.
Can TPS60241DGKR be used in place of a linear regulator for VCO supply?
Yes - the TPS60241DGKR replaces linear regulators in VCO applications by delivering lower noise (170 µVrms vs. typical LDO's 20–50 µVrms plus dropout loss), higher efficiency (90.8% vs. <50% for 3.3-V-to-5-V boost), and zero inductor requirement - all while meeting ±2.5% output accuracy.
What is the thermal shutdown behavior of TPS60241DGKR?
The TPS60241DGKR activates thermal shutdown at approximately 160°C junction temperature and resumes normal operation once the junction cools to ~140°C. This hysteresis prevents cycling near trip point and is fully characterized per Section 7.3.1 of the datasheet, ensuring reliable protection during sustained high-load or poor PCB thermal conditions.
Is TPS60241DGKR compatible with 0805-size ceramic capacitors?
Yes - the TPS60241DGKR is explicitly validated with 0805-package, X7R/X5R dielectric, 1-µF ceramic capacitors (e.g., Taiyo Yuden LMK212BJ105KG-T) for CIN, COUT, C1, and C2. TI's recommended capacitor table (Section 8.2.1.2) confirms 0805 size meets ESR and capacitance stability requirements for 170 µVrms noise performance.
TPS60241DGKR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Up/Step-Down
- Output Configuration:
- Positive
- Topology:
- Charge Pump
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 2.7V
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 25mA
- Frequency - Switching:
- 160kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VSSOP
TPS60241DGKR FAQ
1.How can I place an order for TPS60241DGKR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS60241DGKR 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 TPS60241DGKR reliable?
The price and inventory of TPS60241DGKR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS60241DGKR is usually 5 days.
3.What payment methods are accepted for TPS60241DGKR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS60241DGKR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS60241DGKR?
TPS60241DGKR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS60241DGKR 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 TPS60241DGKR?
For technical support, including TPS60241DGKR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS60241DGKR requirements.
6.How does Aetrix verify that TPS60241DGKR is sourced from the original manufacturer or authorized distributors?
All TPS60241DGKR 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 TPS60241DGKR meets industry standards.
7.What is the process for return or replacement of TPS60241DGKR?
All TPS60241DGKR units undergo pre-shipment inspection (PSI). If there is an issue with TPS60241DGKR, 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 TPS60241DGKR part is unused and in its original packaging.
Return procedure for TPS60241DGKR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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