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| AAT4685 Datasheet, PDF (5/17 Pages) Skyworks Solutions Inc. – thermal shutdown protection | |||
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DATA SHEET
AAT4685
Over-Voltage Protection Switch with OCP and BOVP
Electrical Characteristics1
VIN = 5V, VBOVP = 4.2V, V/EN = 0V , ROCP = 30kï , TA = -40°C to 85°C unless otherwise noted. Typical values are at TA
= 25°C.
Symbol Description
OVP Switch
RDS(ON)
On-Resistance
ID(OFF)
Switch Off-Leakage
Logic Control and Protection
VEN(L)
VEN(H)
IEN(H)
VFLT
IFLT
VPOK
IPOK
TON
EN Input Low Voltage
EN Input High Voltage
EN Input Current
FLT Output Low Voltage
FLT Output Leakage
POK Output Low Voltage
POK Output Leakage
OVP Switch Turn On Delay Time
TSHDN
Chip Thermal Shutdown Temperature
Conditions
ROCP = 16.5kï, IOUT = 1200mA
EN = 5V
VEN = 5.0V, Internal Pulldown = 200k
IFLT = 4mA
VIN = 0V, FLT = 5.5V
IPOK = 4mA
VIN = 0V, POK = 5.5V
EN from 0V to 5V; ROUT = 10ï; COUT= 1μF
Threshold
Hysteresis
Min Typ Max Units
120 200
mï
1
μA
0.4
V
1.2
V
25
μA
0.4
V
1
μA
0.4
V
1
μA
8
ms
140
ºC
15
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.
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
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