Diodes AP3418 - Manual (Page 4)

AP3418
Document number: DS37233 Rev. 2 - 2
4 of 11
www.diodes.com
April 2014
© Diodes Incorporated
AP3418
A Product Line of
Diodes Incorporated
Electrical Characteristics
(V
IN
= 5V, T
A
= +25ºC, unless otherwise specified.)
Symbol Parameter Conditions Min Typ Max Unit
V
IN
Input Voltage – 2.5 – 5.5 V
I Q Quiescent Current V FB = 0.65V – 62 100 µA
I STBY Shutdown Supply Current V EN = GND – 0.1 1 µA
V
REF
Reference Voltage
For Adjustable Output
Voltage
0.588 0.6 0.612 V
I
FB_H
Feedback Bias Current
V
FB
= 1V -0.1 – 0.1
µA
I
FB_L
V
FB
= 0V -0.1 – 0.1
R
DS(ON)_ P
PMOSFET R
ON
I
SW
= 200mA – 0.2 – Ω
R
DS(ON) _N
NMOSFET R
ON
I
SW
= -200mA – 0.15 – Ω
I
LIM
Switch Current Limit V
FB
= 0.55V 1.8 2.3 – A
V
H
EN Pin Threshold
– 1.5 – –
V
V L
– – – 0.4
V UVLO UVLO Threshold V IN Rising – 2.3 –
V
V HYS UVLO Hysteresis – – 0.2 –
f
OSC Oscillator Frequency – 1.12 1.40 1.68 MHz
D
MAX Max. Duty Cycle – 100 – –
%
D
MIN Min. Duty Cycle – – – 0
I
SW_H
SW Leakage Current
V
SW
= 0V – 0.1 –
µA
I
SW_L
V
SW
= 5V – 0.1 –
t
SS
Soft-start Time – – 1 – ms
T
OTSD
Thermal Shutdown – – +160 – ºC
T
HYS
Thermal Shutdown Hysteresis – – +20 – ºC