CS51031YN8 datasheet(3/8 Pages) CHERRY

部品番号	CS51031YN8

部品情報	Fast PFET Buck Controller Does Not Require Compensation

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メーカー	CHERRY [Cherry Semiconductor Corporation]

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Electrical Characteristics: Specifications apply for 4.5 ² VCC ² 16V, 3V ² VC ² 16V, -40¡C ² TJ ² 125¡C,

unless otherwise specified.

Package Pin Description

PACKAGE PIN #

PIN SYMBOL

FUNCTION

8L SO Narrow & PDIP

1VGATE

Driver pin to gate of external PFET.

2

PGnd

Output power stage ground connection.

3COSC

Oscillator frequency programming capacitor.

4

Gnd

Logic ground.

5VFB

Feedback voltage input.

6VCC

Logic supply voltage.

7

CS

Soft start and fault timing capacitor.

8VC

Driver supply voltage.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

s Power Stage

VCC = VC = 10V; VFB = 1.2V

GATE DC Low Saturation

VCOSC = 1V; 200mA Sink

1.2

1.5

V

Voltage

GATE DC High Saturation

VCOSC = 2.7V; 200mA Source; VC = VGATE

1.5

2.1

V

Voltage

Rise Time

CGATE = 1nF; 1.5V < VGATE < 9V

25

60

ns

Fall Time

CGATE = 1nF; 9V > VGATE > 1.5V

25

60

ns

s VCC Monitor

Turn On Threshold

4.200

4.400

4.600

V

Turn Off Threshold

4.085

4.300

4.515

V

Hysteresis

65

130

200

mV

s Current Drain

ICC

4.5V < VCC < 16V, Gate switching

4.5

6.0

mA

IC

3V < VC < 16V, Gate non-switching

2.7

4.0

mA

Shutdown ICC

VCC = 4,

500

900

µA

Note 1: Guaranteed by design not 100% tested in production.

同様の部品番号 - CS51031YN8

メーカー	部品番号	データシート	部品情報
ON Semiconductor	CS51031YD8	86Kb / 12P	Fast PFET Buck Controller December, 2001 ??Rev. 9
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