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Компоненты Описание
APL5912 Просмотр технического описания (PDF) - Anpec Electronics
Номер в каталоге
Компоненты Описание
производитель
APL5912
0.8V Reference Ultra Low Dropout (0.2V@5A) Linear Regulator
Anpec Electronics
APL5912 Datasheet PDF : 20 Pages
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APL5912
Operating Waveforms
Test Circuit
R4
C2
2.2
1
µ
F
R8
C8
8.2K
470pF
Q3
Shutdown
D1
VCC
1N4148
BOOT
1
7
OCSET
UGATE
2
C6
0.1
µ
F
8
PHASE
U2
APW7057
6
4
FB LGATE
GND
R7
2K
1. Load transient Response
L1
1
µ
H
C3
C4
1
µ
F
470
µ
F x2
C9
47
µ
F
C
VCNTL
1
µ
F
+5V
V
CNTL
+5V
Q1
APM2014N L2
3.3
µ
H
V
IN
+1.5V
VCNTL
5
VIN
7
POK
Q2
APM2014N
R5
1.75k
C5
1000
µ
F x2
C
IN
100
µ
F
VOUT
3
VOUT
4
U1
APL5912
8
EN
EN
2
FB
Enable
GND
R2
2K
C7
R6
0.1
µ
F
0
1.1
Using an Output Capacitor with ESR
≥
18m
Ω
- C
OUT
= 220
µ
F/6.3V (ESR = 30m
Ω
), C
IN
= 100
µ
F/6.3V
-
I
OUT
=
10mA
to
5A
to
10mA,
Rise
time
=
Fall
time
=
1
µ
s
POK
R3
1K
V
OUT
+1.2V/5A
R1
1K
C1
33nF
C
OUT
220
µ
F
I
OUT
= 10mA ->5A
1
V
OUT
I
OUT
= 10mA -> 5A ->10mA
R1=1k
Ω
, R2=2k
Ω
, C1=33nF
1
1
V
OUT
I
OUT
= 5A ->10mA
V
OUT
I
OUT
2
Ch1 : V
OUT
, 50mV/Div
Ch2 : I
OUT
, 2A/Div
Time : 2
µ
s/Div
I
OUT
2
Ch1 : V
OUT
, 50mV/Div
Ch2 : I
OUT
, 2A/Div
Time : 20
µ
s/Div
I
OUT
2
Ch1 : V
OUT
, 50mV/Div
Ch2 : I
OUT
, 2A/Div
Time : 2
µ
s/Div
Copyright
©
ANPEC Electronics Corp.
7
Rev. A.10 - Oct., 2009
www.anpec.com.tw
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