APL3546A Datasheet, PDF (3/17 Pages) Anpec Electronics Coropration – Power -Distribution Switches with Soft Start

APL3546A
Thermal Characteristics (Note 2)
Symbol
θJA
Parameter
Junction-to-Ambient Resistance in Free Air
SOP-8P
TDFN2x2-6
Typical Value
75
130
Unit
o_C/W
Note 2: θ_JA is measured with the component mounted on a high effective thermal conductivity test board in free air.
Recommended Operating Conditions (Note 3)
Symbol
VIN
VIN Input Voltage
CSS
SS Pin Soft-Start Capacitor
TA
Ambient Temperature
TJ
Junction Temperature
IOUT
IOUT continuous current.
Parameter
VIN Input Voltage=4.5V ~ 7V
VIN Input Voltage=7V ~ 24V
IOUT
IOUT output current
Note 3: Refer to the typical application circuit
Range
Unit
4.5 ~ 24
V
3.3n ~ 10n
F
1n ~ 10n
-40 ~ 85
o_C
-40 ~ 125
o_C
2.5
A
See Output Current vs. VIN
Input Voltage curve
A
Electrical Characteristics
Unless otherwise specified, these specifications apply over V_IN=12V, V_EN =5V. Typical values are at T_A=25^oC.
Symbol
Parameter
Test Conditions
APL3546A
Unit
Min. Typ. Max.
SUPPLY CURRENT
VIN Supply Current
Leakage Current
POWER SWITCH
RDS(ON) Power Switch On Resistance
UNDER-VOLTAGE LOCKOUT
No load, VEN=0V
No load, VEN=5V
VOUT=GND , VEN=0V
IOUT=2A, TA= 25 ^oC ,VIN=12V
IOUT=2A, VIN=12V
-
30
50
µA
-
250 400 µA
-
-
1
µA
-
78
90
mΩ
-
78
100 mΩ
VIN UVLO Threshold Voltage
3.3
-
3.9
V
VIN UVLO Hysteresis
-
0.2
-
V
CURRENT LIMIT AND SHORT CIRCUIT PROTECTIONS
VISET
Current Limit Voltage
ILIM
Current Limit Threshold
SOFT-START CONTROL PIN
VIN=4.5V to 24V
RISET=82kΩ
-
0.6
-
V
-
6.2
-
A
ISS
SS Current
VIN=12V,
Soft-Start Time
tSS
VIN=12V, No load, COUT=1uF, CSS =1nF
VIN=12V, No load, COUT=1uF, CSS =open
Soft-Star Discharge Resistance
VEN=0V
1
2
3
µA
-
0.5
-
ms
1
2
3
ms
-
300
-
Ω
Copyright © ANPEC Electronics Corp.
3
Rev. A.3 - Jul., 2013
www.anpec.com.tw