APL5913 Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APL5913 Datasheet PDF : 19 Pages
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APL5913
Operating Waveforms
R4
C2
2.2
1uF
R8
C8
8.2k 470pF
Q3
Shutdown
VCC
7 OCSET
BOOT 1
2
UGATE
8
PHASE
U2
APW7057
6
FB
4
LGATE
GND
D1
1N4148
C6
0.1uF
R7
2k
C3
1uF
Q1
APM2014N L2
3.3uH
Q2
APM2014N
R5
1.75k
L1
1uH
C4
470uFx2
C9
47uF
CVCNTL
1uF
+5V
VCNTL
+5V
VIN
+1.5V
VCNTL
5
VIN
7
POK
C5
1000uFx2
Enable
CIN
100uF
VOUT 3
4
VOUT
U1
APL5913
8
2
EN
EN
FB
GND
R2
2k
C7 R6
0.1uF 0
POK
R3
1k
VOUT
+1.2V/3A
R1
1k
C1
33nF
COUT
220uF
1. Load Transient Response :
1.1 Using an Output Capacitor with ESR≥18mΩ
- COUT = 220µF/6.3V (ESR = 30mΩ), CIN = 100µF/6.3V
- IOUT = 10mA to 3A to 10mA, Rise time = Fall time = 1µS
IOUT = 10mA -> 3A
VOUT
1
IOUT = 10mA -> 3A ->10mA
R1=1kΩ, R2=2kΩ, C1=33nF
VOUT
IOUT = 3A -> 10mA
VOUT
IOUT
2
Ch1 : VOUT, 50mV/Div
Ch2 : IOUT, 1A/Div
Time : 2µS/Div
IOUT
Ch1 : VOUT, 50mV/Div
Ch2 : IOUT, 1A/Div
Time : 20µS/Div
IOUT
Ch1 : VOUT, 50mV/Div
Ch2 : IOUT, 1A/Div
Time : 2µS/Div
Copyright © ANPEC Electronics Corp.
8
Rev. A.4 - May., 2005
www.anpec.com.tw
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