AP2011 View Datasheet(PDF) - Anachip Corporation
Part Name
Description
Manufacturer
AP2011 Datasheet PDF : 9 Pages
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Synchronous PWM Controller
AP2011
Typical Application Circuit
R3
6.8 ohm
C6
0.1u (50V)
VIN=10V~28V(10V~40V)
R4
6.8K
10n
(50V)
Cin
470u
(50V)
C3
300n
C2
1u(50V)
C1
100n
C4
0.1u
VIN
VCC
PVCC
CAP
SS/SHDN
VREF
OCSET
D1
Optional
PGATE
Cboost
PDRV 47n(50V)
PHASE
Q2
AF9435
(AF4835)
(9563)
Lout
22u
SGND
PGND FB
NGATE
Q1
AF9410
(AF4410)
(9985)
D2
Optional
10n
R1
3K
C5
47n
R2
1K
Vout=5V
Cout
680u
VOUT= VFB × (1 + R1 )
R2
VFB = 1.25V
R2 = 820 ~ 5.1K
Typical Performance Characteristics
PMOS: AF4835; NMOS: AF4410
Efficiency (Vout=5V)
95
PMOS: AP9563; NMOS: AP9985
Efficiency (Vout=5V)
85
Vin=12V
90
Vin=20V
85
Vin=30V
80
0
1
2 Iout (A) 3
4
5
80
Vin=40V
75
70
0
1
2
3
4
5
Iout (A)
Anachip Corp
www.anachip.com.tw
Rev. 1.1 Apr 1, 2005
4/9
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