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AP3419 Datasheet(PDF) 4 Page - Diodes Incorporated

Part # AP3419
Description  2A STEP-DOWN DC-DC BUCK CONVERTER
PDF  9 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP3419 Datasheet(HTML) 4 Page - Diodes Incorporated

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AP3419
Document number: DS36543 Rev. 3 - 2
4 of 9
www.diodes.com
August 2015
© Diodes Incorporated
AP3419
Recommended Operating Conditions
Symbol
Parameter
Min
Max
Unit
VIN
Input Voltage Range
2.7
5.5
V
TA
Operating Ambient Temperature
-40
+85
°C
TJ
Junction Temperature Range
-40
+125
°C
Electrical Characteristics (@VIN = 5V, VOUT = 1.8V, L = 2.2µH, COUT = 22µFx2, TA = +25°C, unless otherwise specified.)
Symbol
Parameters
Conditions
Min
Typ
Max
Unit
VIN
Input Voltage Range
–
2.7
–
5.5
V
VOUT
Output Voltage Range
–
0.6
–
VIN
V
VFB
Regulated Feedback Voltage
–
0.588
0.6
0.612
V
IFB
FB Leakage Current
VFB = 1V
–
–
0.2
μA
IQ
Quiescent Current
VFB = 0.65V
–
90
–
μA
ISD
Shutdown Current
VEN = 0V
–
–
1
μA
ILIM
Peak Inductor Current
–
3
–
–
A
fOSC
Oscillator Frequency
–
–
1
–
MHz
RDS(ON)
Drain to Source On-state
Resistance
ILX = 100mA, high side
–
110
–
m
Ω
ILX = 100mA, low side
–
80
–
VENH
EN High Threshold
–
1.5
–
–
V
VENL
EN Low Threshold
–
–
–
0.4
V
IEN
EN Leakage Current
VIN = VEN = 5V
-1.0
–
1.0
μA
VUVLO
Input UVLO Threshold
–
–
2.4
2.7
V
VHYS
UVLO Hysteresis
–
–
0.2
–
V
TOTP
Over Temperature Protection
–
–
+160
–
°C
TOTH
OTP Hysteresis
–
–
+30
–
°C
VIOVP
VIN Over Voltage Protection
—
—
6.25
—
V
VIHSY
IOVP Hysteresis
—
—
0.25
—
V
tSS
Soft-start Time
–
–
1.8
–
ms



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