Diodes AP3436/A - Manual (Page 5)

AP3436/A
Document number: DS37212 Rev. 2 - 2
5 of 15
www.diodes.com
April 2014
© Diodes Incorporated
AP3436/A
A Product Line of
Diodes Incorporated
Electrical Characteristics
(V
CC
= 5V, V
IN
= 5V, T
A
= +25°C, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
SUPPLY VOLTAGE (VCC, VIN PIN)
V CC Analog Power Input Voltage – 3.0 – 5.5 V
V IN Power Input Voltage – 1.3 – 5.5 V
I
Q
Quiescent Current
V
FB
= 1.5V, V
CC
= 5V,
V
IN
= 5V
– 400 – µA
I SHDN Shutdown Supply Current
V
EN
= 0V,
3.0V ≤ V
CC
≤ 5.5V,
1.3V ≤ V
IN
≤ 5.5V
– – 1 µA
POWER ON RESET
V
UVLO
Internal Under Voltage Lockout
Threshold for V
CC
– – 2.75 2.85 V
V
HYS_VCC
Internal Under Voltage Hysteresis
for V CC
– – 150 – mV
VOLTAGE REFERENCE (FB PIN)
V
FB Voltage Reference 3.0V ≤ V
CC
≤ 5.5V 0.591 0.600 0.609 V
INTERNAL PWM FREQUENCY
f PWM Frequency 3.0V ≤ V
CC
≤ 5.5V 1.0 1.25 1.5 MHz
MOSFET SPEC
R
ON_H
High Side Switch On-resistance
V
BOOT_SW
= 5.0V – 50 100 m Ω
V
BOOT_SW
= 3.0V – 70 140 m Ω
R
ON_L
Low Side Switch On-resistance
V
CC
= 5.0V – 50 100 m Ω
V
CC
= 3.0V – 70 140 m Ω
CURRENT LIMIT
I
LIMIT
Current Limit Threshold – 4.8 7.6 – A
THERMAL SHUTDOWN
T TSD Thermal Shutdown – – +160 – °C
– Hysteresis – – +20 – °C
BOOT SPEC (BOOT PIN)
R BOOT BOOT Charge Resistor V CC = 5.0V – 16 – Ω
– BOOT to SW UVLO V
CC
= 3.0V – 2.2 – V
SOFT START
t
SS
Soft Start Time – 0.8 – 2 ms