TDFN33-12 datasheet(5/17 Pages) SKYWORKS

Part #	TDFN33-12

Description	Over-Voltage Protection Switch with OCP and BOVP

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Manufacturer	SKYWORKS [Skyworks Solutions Inc.]

Direct Link	http://www.skyworksinc.com

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AAT4685

Over-Voltage Protection Switch with OCP and BOVP

DATA SHEET

5

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201960A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 16, 2012

1. The AAT4685 is guaranteed to meet performance specification over the -40 to 85°C operating temperature range and are assured by design, characterization and correlation

with statistical process controls.

Electrical Characteristics1

VIN = 5V, VBOVP = 4.2V, V/EN = 0V , ROCP = 30k , TA = -40°C to 85°C unless otherwise noted. Typical values are at TA

= 25°C.

Symbol

Description

Conditions

Min

Typ

Max

Units

OVP Switch

RDS(ON)

On-Resistance

ROCP = 16.5k, IOUT = 1200mA

120

200

m

ID(OFF)

Switch Off-Leakage

EN = 5V

1

μA

Logic Control and Protection

VEN(L)

EN Input Low Voltage

0.4

V

VEN(H)

EN Input High Voltage

1.2

V

IEN(H)

EN Input Current

VEN = 5.0V, Internal Pulldown = 200k

25

μA

VFLT

FLT Output Low Voltage

IFLT = 4mA

0.4

V

IFLT

FLT Output Leakage

VIN = 0V, FLT = 5.5V

1

μA

VPOK

POK Output Low Voltage

IPOK = 4mA

0.4

V

IPOK

POK Output Leakage

VIN = 0V, POK = 5.5V

1

μA

TON

OVP Switch Turn On Delay Time

EN from 0V to 5V; ROUT = 10; COUT= 1μF8

ms

TSHDN

Chip Thermal Shutdown Temperature

Threshold

140

ºC

Hysteresis

15

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