AP2002 Ver la hoja de datos (PDF) - Anachip Corporation
Número de pieza
componentes Descripción
Fabricante
AP2002 Datasheet PDF : 7 Pages
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Synchronous PWM Controller
AP2002
Typical Application Circuit
(1)
+5V
R1 R2
1k 10k
PWRGD
OVP
+12V
C1
0.1
C2
0.1
R3
1k
R4
10
1 VCC
GND 14
2 PWRGD SS/SHDN 13
C3
0.1 SHDN
3 OVP
4 OCSET
COMP 12 R7 C9
47k 18nF
SENSE 11
5 PHASE
6 DRVH
7 PGND
BSTH 10
BSTL 9
DRVL 8
0.1u
C4
R5
1.2O
R6
1.2O
+
C5 C6 C7 C8
0.1 680/ 680/ 680/
VIN
16V 16V 16V - 5V/12V
Q1
L1
PFD3000 3.3uH
Q2
PFD3000 D1
Option
R9
270*
R8
120
Vout=2.5V
+
C10 C11 C12 C13 C14
0.1 680/ 680/ 680/ 680/
16V 16V 16V 16V
-
R10
4.7O
5V & 12V dual input circuit
Note:
*Vout =Vref x (1+R9/R8)
(2)
+5V
R1 R2
1k 10k
PWRGD
OVP
C1
0.1
C2
0.1
R3
1k
R4
10
1 VCC
GND 14
2 PWRGD SS/SHDN 13
D2
C3
0.1 SHDN
3 OVP
4 OCSET
COMP 12 R7
C9
47k 18nF
SENSE 11
5 PHASE
6 DRVH
7 PGND
BSTH 10
BSTL 9
DRVL 8
C4 0.1u
R5
1.2 Ω
R6
1.2 Ω
+
C5 C6 C7 C8
0.1 680/ 680/ 680/
VIN
5V or 12V
16V 16V 16V -
C9
Q1 0.1 L1
PFD3000 3.3uH
Q2
PFD3000
D1
Option
R9
270*
R8
120
+
C10
0.1
C11 C12
680/ 680/
C13
680/
C14
680/
Vout=2.5V*
16V 16V 16V 16V
-
R10
4.7 Ω
5V or 12V input with Bootstrapped BSTH
Note:
* Vout=Vref x (1+R9/R8)
Anachip Corp.
www.anachip.com.tw
Rev. 0.2 Apr 14, 2004
4/7
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