R2J20702NP-G3 datasheet(6/28 Pages) RENESAS

Part #	R2J20702NP-G3

Description	Peak Current Mode Synchronous Buck Controller with Power MOS FETs

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Manufacturer	RENESAS [Renesas Technology Corp]

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6 / 28 page

R2J20702NP

Target Specification

REJ03G1782-0401 Rev.4.01

Page 6 of 27

Jun 17, 2010

Absolute Maximum Ratings

(Ta = 25°C)

Item

Symbol

Rating

Unit

Note

Pt(25)

25

1

Power dissipation

Pt(110)

8

W

1

Average output current

Iout

40

A

Vin (dc), Vcin (dc)

–0.3 to +16

2

Input voltage

Vin (ac), Vcin (ac)

20

V

2, 4

Vsw (dc)

16

2

Switch node voltage

Vsw (ac)

20

V

2, 4

Vboot (dc)

22

2

BOOT pin voltage

Vboot (ac)

25

V

2, 4

ON/OFF pin voltage

Von/off

–0.3 to VIN

V

2

SYNC pin voltage

Vsync

–0.3 to +5.5

V

2

Voltage on other pins

Vic

–0.3 to (REG5 + 0.3)

V

2

REG5 current

Ireg5

–10 to 0

mA

3

Ishare current

Ishare

–500 to 0

A

3

TRK-SS dc current

Itrk

0 to 1

mA

3

IREF current

Iref

–120 to 0

A

3

EO sink current

Ieo

0 to 2

mA

3

Operating junction temperature

Tj-opr

–40 to +150

°C

Storage temperature

Tstg

–55 to +150

°C

Notes: 1. Pt(25) represents a PCB temperature of 25°C, and Pt(110) represents 110°C.

2. Rated voltages are relative to voltages on the SGND and PGND pins.

3. For rated current, (+) indicates inflow to the chip and (–) indicates outflow.

4. Ratings for which “ac” is indicated are limited to within 100 ns.

PCB Temperature (

°C)

Safe Operating Area

50

35

40

45

0

5

10

15

20

30

25

0

25

50

75

125

175

150

100

VIN = 12 V

VOUT = 1.5 V

fsw = 465 kHz

L = 0.32

μH

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