APL5913 Anpec Electronics, APL5913 Datasheet - Page 8

• Manufacturer Part Number: APL5913
• Description: 0.8V Reference Ultra Low Dropout Linear Regulator
• Manufacturer: Anpec Electronics

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APL5913
Copyright
Rev. A.4 - May., 2005
Operating Waveforms
8.2k
R8
Shutdown
1 1
2 2
1. Load Transient Response :
Ch1 : V
Ch2 : I
Time : 2 S/Div
470pF
C8
Q 3
1.1
OUT
I
ANPEC Electronics Corp.
OUT
- C
OUT
- I
7
6
Using an Output Capacitor with ESR 18m
, 1A/Div
OUT
OCSET
FB
, 50mV/Div
OUT
= 10mA -> 3A
APW7057
VCC
U2
GND
= 10mA to 3A to 10mA, Rise time = Fall time = 1 S
= 220 F/6.3V (ESR = 30m ), C
UGATE
LGATE
PHASE
BOOT
V
I
OUT
OUT
1uF
C2
1
2
8
4
1N4148
R7
2k
0.1uF
D1
2.2
R4
C6
Q 1
APM2014N
Q 2
APM2014N
Ch1 : V
Ch2 : I
Time : 20 S/Div
0.1uF
C7
R1=1k , R2=2k , C1=33nF
R1=1k , R2=2k , C1=33nF
I
1.75k
OUT
R5
1uF
C3
R6
3.3uH
0
OUT
= 10mA -> 3A ->10mA
L 2
OUT
, 1A/Div
, 50mV/Div
470uF x2
IN
V
I
OUT
OUT
8
C4
= 100 F/6.3V
1uH
1000uF x2
L1
C5
Enable
47uF
C9
+1.5V
V
EN
IN
100uF
C
C
VCNTL
1uF
IN
8
5
VIN
EN
APL5913
VCNTL
GND
Ch1 : V
Ch2 : I
Time : 2 S/Div
U1
V
VOUT
VOUT
+5V
CNTL
POK
FB
+5V
OUT
OUT
I
R2
7
3
4
2
2k
OUT
, 1A/Div
, 50mV/Div
= 3A -> 10mA
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33nF
C1
R1
1k
R3
1k
V
I
OUT
OUT
POK
+1.2V/3 A
220uF
V
C
OUT
OUT