F72820 datasheet(15/18 Pages) FINTEK

Part #	F72820

Description	Synchronous Buck PWM DC-DC Controller

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Manufacturer	FINTEK [Feature Integration Technology Inc.]

Direct Link	http://www.fintek.com.tw/eng

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15 / 18 page

F72820

Jul 2007

V0.24P

-12-

F72820

PARAMETER

SYMBOL

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

FB Under Voltage Trip

FB Falling

0.4

0.5

0.6

V

OCSET Current Source

IOCSET

VOCSET = 4.5V

35

40

45

uA

Soft-start interval

TSS

1

3

6

ms

REFERENCE VOLTAGE

Reference voltage

VREF

0.784

0.8

0.816

V

PWM CONTROLLER GATE DRIVERS

Upper Drive Source

RUGATE

BOOT = 12V ; BOOT – VUGATE = 1V

8

12

Ω

Upper Drive Sink

RUGATE

VUGATE = 1V

4

6

Ω

Lower Drive Source

RLGATE

VCC – VLGATE = 1V

3

4.5

Ω

Lower Drive Sink

RLGATE

VLGATE = 1V

2

3

Ω

Error Amplifier

DC Gain

34

*

dB

Note: Design Guarantee

8. Ordering Information

Part Number

Package Type

Production Flow

F72820 SG

8-SOP (Green Package)

Commercial, 0

°C to +70°C

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F72820 Datasheet(PDF) 15 Page - Feature Integration Technology Inc.

F72820 Datasheet(HTML) 15 Page - Feature Integration Technology Inc.

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