HIP6004B Buck and Synchronous-Rectifier (PWM) Controller and Output Voltage Monitor HIP6004B

VIN (min) (V)	5
VIN (max) (V)	12
VOUT (min) (V)	1.3
VOUT (max) (V)	3.5
IOUT (max) (A)	20
VBIAS (V)	12

The HIP6004B provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications. It is designed to drive two N-Channel MOSFETs in a synchronous-rectified buck topology. The HIP6004B integrates all of the control, output adjustment, monitoring and protection functions into a single package.

The output voltage of the converter is easily adjusted and precisely regulated. The HIP6004B includes a fully TTL-compatible 5-input digital-to-analog converter (DAC) that adjusts the output voltage from 1.3VDC to 2.05VDC in 0.05V and from 2.1VDC to 3.5VDC in 0.1V increments steps. The precision reference and voltage-mode regulator hold the selected output voltage to within ±1% over temperature and line voltage variations.

The HIP6004B provides simple, single feedback loop, voltage-mode control with fast transient response. It includes a 200kHz free-running triangle-wave oscillator that is adjustable from below 50kHz to over 1MHz. The error amplifier features a 15MHz gain-bandwidth product and 6V/us slew rate which enables high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0% to 100%.

The HIP6004B monitors the output voltage with a window comparator that tracks the DAC output and issues a Power Good signal when the output is within ±10%. The HIP6004B protects against over-current and overvoltage conditions by inhibiting PWM operation. Additional built-in overvoltage protection triggers an external SCR to crowbar the input supply. The HIP6004B monitors the current by using the rDS(ON) of the upper MOSFET which eliminates the need for a current sensing resistor.

HIP6004B 特点

Drives Two N-Channel MOSFETs
Operates from +5V or +12V Input
Simple Single-Loop Control Design
- Voltage-Mode PWM Control
Fast Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratio
Excellent Output Voltage Regulation
- ±1% Over Line Voltage and Temperature
TTL-Compatible 5-Bit Digital-to-Analog Output Voltage Selection
- Wide Range 1.3VDC to 3.5VDC
- 0.1V Binary Steps 2.1VDC to 3.5VDC
- 0.05V Binary Steps 1.3VDC to 2.05VDC
Power-Good Output Voltage Monitor
Over-Voltage and Over-Current Fault Monitors
- Does Not Require Extra Current Sensing Element, Uses MOSFET's rDS(ON)
Small Converter Size
- Constant Frequency Operation
- 200kHz Free-Running Oscillator Programmable from 50kHz to over 1MHz
QFN Package:
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline
- Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile

HIP6004B 应用

Power Supply for Pentium(R), Pentium Pro, Pentium II, PowerPCTM, K6TM, 6X86TM and AlphaTM Microprocessors
High-Power 5V to 3.xV DC-DC Regulators
Low-Voltage Distributed Power Supplies

HIP6004B 芯片订购指南

芯片型号	产品状态	温度范围	封装尺寸图	潮湿敏感度等级MSL	美元价格US $
HIP6004BCBZ	量产	民用级	20 Ld SOIC	3
HIP6004BCBZ-T	量产	民用级	20 Ld SOIC T+R	3
HIP6004BCBZA	量产	民用级	20 Ld SOIC	3
HIP6004BCBZA-T	量产	民用级	20 Ld SOIC T+R	3
HIP6004BCRZ	量产	民用级	20 Ld QFN	3
HIP6004BCRZ-T	量产	民用级	20 Ld QFN T+R	3
HIP6004BCVZ	量产	民用级	20 Ld TSSOP	3
HIP6004BCVZ-T	量产	民用级	20 Ld TSSOP T+R	3
HIP6004BCVZA	量产	民用级	20 Ld TSSOP	3
HIP6004BCVZA-T	量产	民用级	20 Ld TSSOP T+R	3
HIP6004BCB	停产	民用级	20 Ld SOIC	1	N/A
HIP6004BCB-T	停产	民用级	20 Ld SOIC T+R	1	N/A
HIP6004BCR	停产	民用级	20 Ld QFN	1	N/A
HIP6004BCR-T	停产	民用级	20 Ld QFN T+R	1	N/A
HIP6004BCV	停产	民用级	20 Ld TSSOP	1	N/A
HIP6004BCV-T	To Be Discontinued	民用级	20 Ld TSSOP T+R	1