HIP6006 Просмотр технического описания (PDF) - Renesas Electronics

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HIP6006

Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller

Renesas Electronics 

HIP6006

HIP6006 DC-DC Converter Application Circuit

The figure below shows an application circuit of a DC-DC

Converter for a microprocessor application. Detailed

information on the circuit, including a complete Bill-of-Materials

and circuit board description, can be found in application note

AN9722. See Intersil’s home page on the web:

www.intersil.com.

12VCC

VIN

RTN

C1-3

3x 680F

C17-18

2x 1F

1206

ENABLE

C13

0.1F

C12

R7

10k

1F

1206

VCC

6

SS 3

14

MONITOR AND

PROTECTION

RT 1

R1

SPARE

OSC

U1

REF

HIP6006

C19

1000pF

2 OCSET R6

3.01k

10 BOOT

Q1

9 UGATE

8 PHASE

13 PVCC

FB 5

++

--

+- +-

12 LGATE

Q2

11 PGND

4

7

R2

1k

C14

COMP

GND

JP1

33pF

C15 R5

0.01F 15k

C16

COMP

TP1

R3 SPARE

1k

R4

SPARE

CR1

4148

PHASE

TP2

C20

0.1F

L1

CR2

MBR

340

C6-9

4x 1000F

VOUT

RTN

Component Selection Notes:

C1-C3 - 3 each 680F 25W VDC, Sanyo MV-GX or equivalent

C6-C9 - 4 each 1000F 6.3W VDC, Sanyo MV-GX or equivalent

L1 - Core: Micrometals T50-52B; Winding: 10 Turns of 17AWG

CR1 - 1N4148 or equivalent

CR2 - 3A, 40V Schottky, Motorola MBR340 or equivalent

Q1, Q2 - Intersil MOSFET; RFP25N05

FIGURE 11. DC-DC CONVERTER APPLICATION CIRCUIT

FN4306 Rev.3.00

April 1, 2005

Page 10 of 12

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