FC9521 datasheet(4/8 Pages) FS

4 / 8 page

2017. 03. 02

4/8

FC9521

Revision No : 0

Unless otherwise speciﬁed, these speciﬁca�ons apply over VIN=5V, VEN =5V and TA= -40 ~ 85 ℃. Typical values are at TA=25℃

Symbol

Parameter

Test Condi�ons

Min.

Typ.

Max.

Unit

SUPPLYCURRENT

VIN Supply Current

No load, VEN=0V

μA

No load, VEN=5V

120

150

μA

Leakage Current

VOUT=GND, VEN=0V

μA

Reverse Leakage Current

VIN=GND, VOUT=5V, VEN=0V

μA

POWER SWITCH

RDS(ON)

Power Switch On Resistance IOUT=1A, TA= 25℃

mΩ

UNDER-VOLTAGE LOCKOUT (UVLO)

VIN

UVLO

Threshold

Voltage

VIN rising, TA= -40 ~ 85 ℃

3.5

VIN UVLO Hysteresis

0.2

CURRENT-LIMIT AND SHORT-CIRCUIT PROTECTIONS

ILIM

Current Limit Threshold

default

2.1

2.4

2.5

iset

1.1

3.9

ISHORT

Short-Circuit Output

Current

80%

95%

EN INPUT PIN

VIH

Input Logic High

VIN=3.6V to 5V

Input Logic Low

VIN=3.6V to 5V

0.8

Input Current

μA

VOUT Discharge Resistance

VEN=0V, VOUT=1V

tD(ON)

Turn On Delay Time

μS

tD(OFF)

Turn Oﬀ Delay Time

μS

tSS

So�-Start Time

No load, COUT=1μF, VIN=5V

400

μS

OVER-TEMPERATUREPROTECTION(OTP)

TOTP

Over-Temperature

Threshold

TJ rising

140

℃

Over-Temperature

Hysteresis

℃

Electrical Characteris�cs

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