APL5912-KAC-TRL Anpec Electronics Corporation, APL5912-KAC-TRL Datasheet - Page 8

• Manufacturer Part Number: APL5912-KAC-TRL
• Description: 0.8V Reference Ultra Low Dropout (0.2V@5A) Linear Regulator
• Manufacturer: Anpec Electronics Corporation

APL5912
Copyright
Rev. A.6 - Jun., 2005
Operating Waveforms
Test Circuit
8 . 2 k
R8
1 1
2 2
S h u t d o w n
Ch1 : V
Ch2 : I
Time : 2 S/Div
1. Load transient Response
4 7 0 p F
C8
Q3
1.1
- C
- I
OUT
Using an Output Capacitor with ESR 18m
I
OUT
ANPEC Electronics Corp.
OUT
OUT
OUT
7
6
, 2A/Div
, 50mV/Div
= 10mA -> 5A
O C S E T
F B
= 10mA to 5A to 10mA, Rise time = Fall time = 1 S
A P W 7 0 5 7
= 220 F/6.3V (ESR = 30m ), C
V C C
U2
G N D
U G A T E
L G A T E
P H A S E
B O O T
V
I
1uF
OUT
C2
OUT
4
1
2
8
1 N 4 1 4 8
R7
2 k
0 . 1 u F
D1
2.2
R4
C6
1 1
2 2
Q1
A P M 2 0 1 4 N
Q2
A P M 2 0 1 4 N
Ch1 : V
Ch2 : I
Time : 20 S/Div
0 . 1 u F
C7
I
R1=1k , R2=2k , C1=33nF
R1=1k , R2=2k , C1=33nF
OUT
1 . 7 5 k
R5
1uF
C3
R6
3 . 3 u H
= 10mA -> 5A ->10mA
0
OUT
L2
OUT
IN
, 2A/Div
, 50mV/Div
= 100 F/6.3V
V
I
OUT
4 7 0 u F x 2
OUT
8
C4
1uH
1 0 0 0 u F x 2
L1
C5
Enable
4 7 u F
C9
+ 1 . 5 V
V
EN
IN
1 0 0 u F
C
C
V C N T L
1uF
I N
8
5
VIN
EN
1 1
2 2
A P L 5 9 1 2
V C N T L
G N D
U1
Ch1 : V
Ch2 : I
Time : 2 S/Div
V
VOUT
VOUT
C N T L
+5V
POK
FB
+5V
I
OUT
OUT
OUT
R2
7
3
4
2
2 k
, 2A/Div
= 5A -> 10mA
, 50mV/Div
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3 3 n F
C1
R1
1 k
I
R3
1 k
V
OUT
OUT
POK
+ 1 . 2 V / 5 A
2 2 0 u F
V
C
O U T
O U T