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AP2004SL 数据表(PDF) 4 Page - Anachip Corp

部件名 AP2004SL
功能描述  PWM Buck Controller
PDF  8 Pages
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制造商  ANACHIP [Anachip Corp]
网页  
标志 ANACHIP - Anachip Corp

AP2004SL 数据表(HTML) 4 Page - Anachip Corp

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



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