CS4124YN16 datasheet(3/6 Pages) CHERRY

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1197

Electrical Characteristics: 4V ≤ VCC ≤ 26V, -40˚C < TA = 125°C, (unless otherwise specified)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Package Lead Description

PACKAGE LEAD #

LEAD SYMBOL

FUNCTION

External Drive (OUTPUT): continued

Voltage to Duty Cycle

4V ≤ VCC < 7V

Conversion

VCC = 13V, CTL = 1V

VCC = 13V, CTL = 2V

100

7V ≤ VCC ≤ 18V

VCC = 13V, CTL = 30% VREG

28.3

36.3

VCC = 13V, CTL = 55.8% VREG

56.0

64.0

18V < VCC ≤ 26V

VCC = 13V, CTL = 1. 5V

11.8

21.8

VCC = 13V, CTL = 3. 5V

34.2

44.2

Output Rise Time

4V ≤ VCC ≤ 26V

.25

µs

RGATE = 6Ω, CGATE = 5nF

Output Fall Time

4V ≤ VCC ≤ 26V

.30

µs

RGATE = 6Ω, CGATE = 5nF

Output Sink Current

4V ≤ VCC < 7V

150

RGATE = 6Ω, CGATE = 5nF

7V ≤ VCC ≤ 26V

300

RGATE = 6Ω, CGATE = 5nF

Output Source Current

4V ≤ VCC < 7V

150

RGATE = 6Ω, CGATE = 5nF

7V ≤ VCC ≤ 26V

300

RGATE = 6Ω, CGATE = 5nF

Output High Voltage

IOUT = 1mA

VBOOST - 1.7

Output Low Voltage

IOUT = -1mA

1.3

Charge Pump (DRV)

Boost Voltage

VCC + 6.4

16 Lead PDIP

OUTPUT

MOSFET gate drive

BOOST

Boost voltage

FLT

Fault time out capacitor

4ROSC

Oscillator resistor

5COSC

Oscillator capacitor

CTL

Pulse width control input

PGnd

Power ground for on chip clamp

8VCC

Positive power supply input

9VREG

5V linear regulator

SNI

Sense inductor current

PMP

Collector of boost power transistor

ISENSE-

Current sense minus

ISENSE+

Current sense plus

IADJ

Current limit adjust

INH

Output Inhibit

Gnd

Ground

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