AP2008 Ver la hoja de datos (PDF) - Diodes Incorporated.
Número de pieza
componentes Descripción
Fabricante
AP2008 Datasheet PDF : 8 Pages
| |||
AP2008
PWM BUCK CONTROLLER
Electrical Characteristics (Continued) (TA=25ºC, VCC=6V, f=200 Khz)
Output section
Symbol
Parameter
ILEAK
Leakage current
Sink current
IDRV
Source current
VSAT
Output saturation voltage
ISC
Short-circuit output current
PWM comparator
Symbol
Parameter
VT0
VT100
Total device
Symbol
Input threshold voltage at f =
10 KHz (COMP)
Parameter
ICCA
Soft Start
Symbol
Average supply current
Parameter
VSS
Soft-start Voltage
ISS
Constant Charge Current
Conditions
VO = 20V
VIN= 12V
VIN= 12V
IO = 10 mA
VO = 6V
Conditions
CT=6800pF
Maximum duty cycle
Conditions
CT = 270pF
Conditions
Min. Typ. Max. Unit
10 µA
200
mA
200
mA
1.0 1.5
V
120
mA
Min. Typ. Max. Unit
0.6 0.7
V
1.2 1.3
V
Min. Typ. Max. Unit
6
10 mA
Min. Typ. Max. Unit
2.3
V
20
µA
Typical Application Circuit
R3 30K
C2
10nF
(Optional)
C4 270pF
C5 50nF
C6 220nF
Q1
P mos
L1
10uH
5A
R1
1K
R2
4K
Vcc = 12V
C1
470uF
Output
1V/5A
C4
50nF
(Optional)
C3
470uF
Step-Down DC/DC converter
AP2008 Rev. 2
5 of 8
www.diodes.com
DECEMBER 2006
© Diodes Incorporated
Share Link: 