AP2004 Ver la hoja de datos (PDF) - Anachip Corporation
Número de pieza
componentes Descripción
Fabricante
AP2004 Datasheet PDF : 8 Pages
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PWM Buck Controller
AP2004
Electrical Characteristics (Continued) (TA=25ºC, VCC=6V, f=200 Khz)
Error-amplifier
Symbol
Parameter
Conditions
Min. Typ.
VIO
Input offset voltage
VO (FB)=1.25V
IIO
Input offset current
VO (FB)=1.25V
IIB
Input bias current
VO (FB)=1.25V
VCM
Common-mode input voltage
range
VCC=3.6V ~ 20V
AV
Open-loop voltage
amplification
RF=200 kΩ
160
1.05
70
80
GBW
Unity-gain bandwidth
1.5
CMRR Common-mode rejection ratio
60
80
VOH
Max. output voltage
Vref-0.1
VOL
Min. output voltage
IOI
Output (sink) current (COMP) VID = -0.1V, VO = 1.25V 0.5 1.6
IOO
Output (source) current
(COMP)
VID = 0.1V, VO = 1.25V
-45 -70
Output section
Symbol
Parameter
Conditions
Min. Typ.
ILEAK
Leakage current
VO = 25V
Sink current
IDRV
Source current
VIN= 20V
VIN= 20V
200
200
VSAT
Output saturation voltage
IO = 10 mA
1.0
ISC
Short-circuit output current
PWM comparator
Symbol
Parameter
VO = 6V
Conditions
120
Min. Typ.
VT0
VT100
Total device
Symbol
Input threshold voltage at f = CT
10 KHz (COMP)
Maximum duty cycle
Parameter
Conditions
0.6
1.2 1.3
Min. Typ.
ICCA
Soft Start
Symbol
Average supply current
Parameter
CT = 270pF
Conditions
6
Min. Typ.
VSS
Soft-start Voltage
2.3
ISS
Constant Charge Current
20
Max.
±6
±100
500
1.45
1
Max.
10
1.5
Max.
0.7
Max.
10
Max.
Unit
mV
nA
nA
V
dB
MHz
dB
V
V
mA
µA
Unit
µA
mA
mA
V
mA
Unit
V
V
Unit
mA
Unit
V
µA
Anachip Corp.
www.anachip.com.tw
Rev. 0.4 Apr 6, 2004
4/8
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