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AP1605 Datasheet(PDF) 4 Page - Diodes Incorporated

No. de pieza AP1605
Descripción Electrónicos  PWM/PFM DUAL-MODE STEP-DOWN SWITCHING REGULATOR
PDF  7 Pages
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Fabricante Electrónico  DIODES [Diodes Incorporated]
Página de inicio  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1605 Datasheet(HTML) 4 Page - Diodes Incorporated

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AP1605
Document number: DS31021 Rev. 3 - 2
4 of 7
www.diodes.com
December 2017
© Diodes Incorporated
AP1605
Electrical Characteristics (VIN = 5V, TA = +25°C, unless otherwise specified.)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VIN
Input Voltage
AP1605 Series
2.5
—
7
V
VREF
Internal Reference Voltage
—
1.1625
1.2
1.2375
V
VUVLO
UVLO Voltage
Voltage required to maintain VOUT
—
—
2.2
V
MAXDTY
Maximum Duty Ratio
—
100
—
—
%
PFMDTY
PFM Duty Ratio
—
15
25
35
%
ISW
Switch Current
Duty = 50%
3
—
—
A
ISS
Current Consumption POWERON
VOUT = 2.5V
—
35
100
µA
ISSS
Current Consumption During
Power Off
VON/OFF = 0V
—
—
2
µA
∆VOUT1
Line Regulation
2.5V to 7V @ IOUT = 0.1A
—
0.2
0.5
%
∆VOUT2
Load Regulation
0.1A to 3A
—
1
1.5
%
fOSC
Oscillation Frequency
—
220
300
380
kHz
VCEH
CE Pin “High” Voltage
Evaluate oscillation at SW pin
0.65
—
—
*VCC
VCEL
CE Pin “Low” Voltage
Evaluate oscillation stop at SW pin
—
—
0.2
ISH
CE Pin Input Leakage Current
—
-0.1
—
0.1
µA
ISL
—
-0.1
—
0.1
µA
EFFI
Efficiency
VIN = 5V, VOUT = 2.5V, IOUT = 1A
—
93
—
%
Test Circuit
A
FB
Vcc
Vss
open
open
FB
Vcc
Vss
+
-
SW
SW
PVcc
PVcc
A
FB
Vcc
Vss
+
-
V
SW
PVcc
CE
CE
CE
Vcc
Vcc
Vcc
VEN
VEN
Enable function test
Feedback function test
Operating function test
10
μH
+
-
RA
RB
100
μF
100
μF
100
μF



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