FP6861D datasheet(4/6 Pages) FITIPOWER

4 / 6 page

FP6861D-Preliminary 0.1-JAN-2012

FP6861D

fitipower integrated technology lnc.

Electrical Characteristics

(VIN=5V, CIN=COUT=1µF, TA=25°C, unless otherwise specified.)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Switch On Resistance

RDS(ON)

IOUT=70% minimum current

limit

100

125

Supply Current

ISW_ON

Switch on, VOUT = Open

130

µA

ISW_OFF

Switch off, VOUT = Open

0.2

EN Threshold

VIL

Switch off

0.7

VIH

Switch on

1.8

EN Input Current

IEN

VEN = Enable

0.01

0.1

µA

Current Limit

ILIM

RLOAD = 1Ω, FP6861D-B1

1.5

1.75

RLOAD = 1Ω, FP6861D-B2

1.5

1.75

2.1

Short Circuit Fold-Back

Current

ISC_FB

VOUT = 0V, measured prior to

thermal shutdown

0.5

Output Leakage Current

ILEAKAGE

VEN = Disable, RLOAD = 0Ω

0.5

µA

Output Turn-On Rise Time

TON_RISE

10% to 90% of VOUT rising,

CL=120µF

500

µs

OC Output Resistance

ISINK = 1mA

OC Off Current

= 5V

0.01

µA

OC Delay Time

From fault condition to OC

assertion

Under-Voltage Lockout

VUVLO

VIN increasing

2.2

Under-Voltage Hysteresis

ΔVUVLO

VIN decreasing

0.2

Shutdown Pull Low

Resistance

RPD

Thermal Shutdown

Threshold (Note2)

TSD

135

°C

ΔTSD

Hysteresis

°C

Note 2：Guarantee by design.

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