Diodes AP3417C - Manual (Page 4)

AP3417C
Document number: DS36516 Rev. 1 - 0
4 of 11
www.diodes.com
September 2013
© Diodes Incorporated
AP3417C
PRELIMINARY DATASHEET
A Product Line of
Diodes Incorporated
Recommended Operating Conditions
Symbol Parameter Min Max Unit
V
IN
Supply Input Voltage 2.5 5.5 V
T
A
Operating Ambient Temperature -40 85 ºC
T
J
Operating Junction Temperature -40 125 ºC
Electrical Characteristics
(@V
IN
= V
EN
= 5V, V
OUT
= 1.2V, V
FB
= 0.6V, L = 2.2µH, C
IN
= 4.7µF, C
OUT
= 10µF, T
A
= +25°C, unless
otherwise specified.)
Symbol Parameters Conditions Min Typ Max Unit
V
IN
Input Voltage Range 2.5 5.5 V
I
OFF
Shutdown Current V
EN
= 0 0.1 µA
I
ON
Active Current V
FB
= 0.55V 220 µA
V
FB
Regulated Feedback Voltage
For Adjustable Output
Voltage
0.588 0.6 0.612 V
V
OUT
Output Voltage
Fixed Output 1.2V 1.176 1.2 1.224
V Fixed Output 1.8V 1.764 1.8 1.836
Fixed Output 3.3V 3.234 3.3 3.366
V
OUT
/V
OUT
Regulated Output Voltage
Accuracy V
IN
= 2.5V to 5.5V,
I
OUT
= 0 to 1.0A
-3 3 %
I
PK
Peak Inductor Current 1.5 1.9 A
f
OSC
Oscillator Frequency V
IN
= 2.5V to 5.5V 1.2 1.5 1.8 MHz
R
DS(ON)P
PMOSFET R
DS(ON)
V
IN
= 5V 200 m 
R
DS(ON)N
NMOSFET R
DS(ON)
V
IN
= 5V 200 m 
V
EN_H
EN High Level Input Voltage 1.5 V
V
EN_L
EN Low Level Input Voltage 0.4 V
I
EN
EN Input Current 0.1 µA
t
SS
Soft Start Time 400 µs
D
MAX
Maximum Duty Cycle 100 %
V
UVLO
Under Voltage Lock Out
Threshold
Rising 2.3
V Falling 2.1
Hysteresis 0.2
T
SD
Thermal Shutdown Hysteresis = 30°C 155 160 °C