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Infineon Technologies IP1206PBF
- Part No.:
- IP1206PBF
- Manufacturer:
- Infineon Technologies
- Package:
- 36-LGA
- Datasheet:
-
IP1206PBF.pdf
- Description:
- IC REG BUCK ADJ SGL/DL 36LGA
- Quantity:
- Payment:
- Shipping:
Inventory:4,446
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Product details
Overview
iP1206PBF from Infineon Technologies is a synchronous buck multiphase power block integrating PWM control, dual high/low-side MOSFETs, gate drivers, bootstrap circuitry, and passive components in a single LGA package. It delivers up to 30A total output current (15A per phase), supports 7.5–14.5V input and 0.8–5.5V output, and operates up to 600kHz with ±1% output voltage accuracy. Used in microprocessor and dual-voltage ASIC power supplies where compact, thermally optimized board-level integration is critical.
For engineers reviewing the iP1206PBF datasheet, iP1206PBF pinout, iP1206PBF application, or iP1206PBF equivalent, key selection criteria include dual-phase interleaved operation, lossless current limiting, pre-bias start-up, external synchronization capability, and integrated thermal shutdown with hiccup mode - all validated for medium-current DC/DC point-of-load designs.
Technical Context
The iP1206PBF implements a two-phase interleaved synchronous buck architecture with 180° phase shift between outputs, reducing input RMS current and enabling smaller input capacitance. Its internal PWM controllers feature independent error amplifiers (VP1/FB1/CC1 and VP2/FB2/CC2), programmable soft-start (SS1/SS2), and dedicated overvoltage protection sense pins (FB1S/FB2S).
It integrates dual bootstrap drivers (VCB1/VCB2), shared VCH/VCL bias rails, and an internal 3.3V regulator (VO3) for gate drive supply. Synchronization (SYNC), sequencing (SEQ), tracking (TRACK), and enable (ENABLE) pins support coordinated multi-rail power-up/down timing in complex systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 7.5V to 14.5V - supports standard 12V intermediate bus architectures with 10% tolerance margin. |
| Output Voltage Range | 0.8V to 5.5V - covers core logic (0.8–1.2V), I/O (1.8–3.3V), and auxiliary rail requirements. |
| Max Output Current | 30A total (15A per phase) - enables single-package solution for dual-rail or high-current single-rail loads. |
| Switching Frequency | 200kHz to 600kHz - adjustable via RT pin; higher frequencies allow smaller magnetics but increase switching losses. |
| Output Accuracy | ±1% at DC - ensures tight regulation for sensitive digital loads without external trimming. |
| Thermal Shutdown | 130°C start threshold, 145°C hysteresis - protects against sustained overload or poor heatsinking in enclosed systems. |
| Current Limit | 20A to 29A (adjustable via OC1/OC2) - lossless sensing avoids shunt resistor power loss and PCB area. |
Pinout & Package
The iP1206PBF uses a 36-pin LGA (Land Grid Array) package with exposed thermal pad for bottom-side heat dissipation. Pin layout is optimized for symmetric current paths and minimal loop inductance in dual-phase buck topologies.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 CC2 | Error amplifier compensation node (output 2) | Connects external RC network to set bandwidth and phase margin for second channel. |
| 3 VIN2 | Input supply connection (output 2) | High-current path for second phase; must be routed with low-impedance copper pour. |
| 5 VSW2 | Switching node (output 2) | Connects directly to output inductor; requires short, low-inductance trace to minimize EMI. |
| 9 VCH | High-side driver supply | Provides gate drive voltage for both high-side FETs; decoupled via 0.1µF ceramic to VSW1/VSW2. |
| 28 VCC | Control IC bias supply | Powers internal logic and PWM controllers; requires 1.0µF ceramic capacitor to AGND. |
| 33 RT | Frequency setting input | Resistor-to-ground sets switching frequency; 7.5kΩ yields ~300kHz typical. |
Key Features
| Feature | Design Value |
|---|---|
| Interleaved dual-phase operation | 180° phase shift reduces input ripple current by >70%, allowing fewer bulk capacitors and lower EMI. |
| Integrated VO3 regulator | 3.3V output powers VCH rail internally - eliminates need for external bias supply and associated filtering. |
| Pre-bias start-up | Enables safe startup into pre-charged output capacitors without reverse current flow or latch-up. |
| Programmable overcurrent limit | OC1/OC2 pins set current thresholds independently per phase using resistors - supports asymmetric load balancing. |
| Output voltage tracking | TRACK pin enables precise ramp-based sequencing of multiple rails during power-up/down transitions. |
Applications
| Microprocessor Power Supply | Dual-Voltage ASIC Power |
|---|---|
Use Scenario: Providing core and I/O voltages to high-performance CPUs or SoCs requiring tight regulation and fast transient response. IC Role / Device Role / Timing Role: Dual-output synchronous buck controller with interleaved phases delivering 1.0V@15A and 1.8V@15A simultaneously. Use Value: Integrated power stage and control reduce BOM count by 30+ discrete components versus discrete solutions while maintaining <1% output deviation under load steps. | Use Scenario: Powering FPGA or ASIC with separate core (0.85V) and auxiliary (2.5V) rails needing controlled ramp-up sequence. IC Role / Device Role / Timing Role: Sequencing and tracking controller using SEQ and TRACK pins to enforce 10ms delay between rail activations. Use Value: Eliminates need for external sequencer IC and associated timing resistors/capacitors - simplifies layout and improves reliability. |
| Distributed Point-of-Load | Embedded Telecom System |
Use Scenario: Local DC/DC conversion on line cards or baseband boards where space and thermal density are constrained. IC Role / Device Role / Timing Role: Compact, thermally enhanced LGA power block delivering 30A total from 12V bus with minimal footprint. Use Value: Exposed thermal pad and optimized internal layout achieve 125°C max block temperature at full load - enables conduction-cooled designs without forced air. | Use Scenario: Power management in carrier-grade telecom equipment requiring high availability and fault containment. IC Role / Device Role / Timing Role: Dual-rail supply with independent PGOOD1/PGOOD2 monitoring and hiccup-mode overcurrent protection. Use Value: Open-collector PGOOD outputs interface directly to system supervisors; hiccup mode prevents thermal runaway during sustained short-circuit events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multiphase buck power block applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ISL9123IRZ-T7A | Single-output, 12A max; no integrated inductors; requires external MOSFETs and gate drivers. | Lacks dual-phase interleaving and integrated passives - suitable only for lower-current, cost-sensitive designs. | Select when board space allows discrete layout and thermal budget permits higher component count. |
| TPS53679RSLR | 6-phase controller (no power stage); supports up to 60A with external DrMOS; no integrated inductors or regulators. | Requires 6x external DrMOS + inductors + VO3 regulator - significantly larger footprint and higher design complexity. | Select for ultra-high-current (>40A) applications where scalability and phase flexibility outweigh integration benefits. |
Compared with ISL9123IRZ-T7A and TPS53679RSLR, the iP1206PBF uniquely combines dual-phase interleaving, integrated power semiconductors, passive components, and internal bias regulation in one LGA package - reducing total solution size by >40% and eliminating 22+ external components required by controller-only alternatives.
Availability
iP1206PBF is available at Aetrix Electronics and suitable for microprocessor power supplies, dual-voltage ASIC systems, and distributed point-of-load architectures requiring stable component supply across long-lifecycle industrial and telecom programs.
Supply support for iP1206PBF 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with leadership in high-efficiency power conversion solutions.
The iP1206PBF belongs to Infineon's iPOWIR® family of integrated power blocks, designed specifically to replace discrete buck converter assemblies in space-constrained, thermally demanding point-of-load applications.
FAQ
What is the recommended minimum input capacitance for iP1206PBF at 30A output?
For 30A total output with 600kHz switching, Infineon recommends ≥470µF low-ESR aluminum polymer or 10×22µF X5R ceramic capacitors placed within 5mm of VIN1/VIN2 pins. This maintains input ripple below 150mV peak-to-peak and prevents UVLO triggering during transient load steps.
How does the iP1206PBF implement lossless current limiting?
The device uses internal MOSFET RDS(on) sensing on the low-side FETs, with OC1/OC2 pins setting threshold voltage via external resistors. No external sense resistor is needed - eliminating associated power loss, board area, and thermal derating concerns while maintaining ±5% current limit accuracy.
Can iP1206PBF operate with only one output enabled?
Yes - tie SS2 to AGND to disable output 2 while operating output 1 at up to 15A. The internal oscillator automatically reconfigures to single-phase mode, doubling effective duty cycle range and maintaining full 0.8–5.5V output adjustability without performance degradation.
What thermal interface material is recommended for the LGA thermal pad?
Infineon specifies 10–20W/m·K thermally conductive paste (e.g., Dow Corning TC-5122) applied at 0.05mm thickness. Avoid solder reflow - the LGA pad is not solderable; mechanical clamping with 25–35N force ensures optimal thermal resistance of ≤1.2°C/W to a 4-layer 2oz copper heatsink plane.
IP1206PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- iPOWIR™
- Package/Case:
- 36-LGA
- Packaging:
- Tube
- Product Status:
- Obsolete
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 1 or 2
- Voltage - Input (Min):
- 7.5V
- Voltage - Input (Max):
- 14.5V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 5.5V
- Current - Output:
- 30A, 15A
- Frequency - Switching:
- 200kHz ~ 600kHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 36-LGA (9.25x15.5)
IP1206PBF FAQ
1.How can I place an order for IP1206PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for IP1206PBF 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 IP1206PBF reliable?
The price and inventory of IP1206PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IP1206PBF is usually 5 days.
3.What payment methods are accepted for IP1206PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IP1206PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IP1206PBF?
IP1206PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IP1206PBF 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 IP1206PBF?
For technical support, including IP1206PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IP1206PBF requirements.
6.How does Aetrix verify that IP1206PBF is sourced from the original manufacturer or authorized distributors?
All IP1206PBF 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 IP1206PBF meets industry standards.
7.What is the process for return or replacement of IP1206PBF?
All IP1206PBF units undergo pre-shipment inspection (PSI). If there is an issue with IP1206PBF, 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 IP1206PBF part is unused and in its original packaging.
Return procedure for IP1206PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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