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AP2002 Datasheet(PDF) 3 Page - Anachip Corp

No. de pieza AP2002
Descripción Electrónicos  Synchronous PWM Controller
PDF  7 Pages
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Fabricante Electrónico  ANACHIP [Anachip Corp]
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AP2002 Datasheet(HTML) 3 Page - Anachip Corp

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AP2002
Synchronous PWM Controller
Anachip Corp.
www.anachip.com.tw
Rev. 0.2 Apr 14, 2004
3/7
Electrical Characteristics
Unless specified: VCC = 4.75V to 12.6V; GND = PGND = 0V; FB = VO; VBSTL = 12V; VBSTH-PHASE = 12V; TJ = 25
oC
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
Power Supply
VCC
Supply Voltage
VCC
4.2
12.6
V
ICC
Supply Current
6
10
mA
∆VLINE
Line Regulation
VO = 2.5V
0.5
%
Error Amplifier
AOL
Gain (AOL)
50
dB
IB
Input Bias
5
8
uA
Oscillator
FOSC
Oscillator Frequency
180
200
220
KHz
DCMAX
Oscillator Max Duty Cycle
90
95
%
MOSFET Drivers
IDRVH
DRVH Source/Sink
VBSTH – VDRVH =4.5V
VDRVH – VPHASE = 2V
1
A
IDRVL
DRVL Source/Sink
VBSTH – VDRVL = 4.5V
VDRVL – VPGND = 2V
1
A
Protection
DTH
OVP Threshold
20
%
IOVP
OVP Source Current
VOVP = 3V
10
mA
DPG
Power Good Threshold
88
112
%
TDEAD
Dead Time
45
100
nS
IOCSET
Over Current Set Isink
2.0V < VOCSET < 12V
180
200
220
uA
Reference
Reference Voltage
0.792
0.8
0.808
V
VREF
Accuracy
0
oC to 70oC
-1
+ 1
%
Soft Start
ISSC
Charge Current
VSS = 1.5V
8.0
10
12
uA
ISSD
Discharge Current
VSS = 1.5V
1.3
2
2.7
uA
Under voltage lockout (UVLO)
VUT
Upper threshold voltage
(VCC)
4.2
4.4
V
VLWT
Lower threshold voltage
(VCC)
4.0
V
VHT
Hysteresis (VCC)
IO(REF) = 0.1mA
TA = 25ºC
200
mV
Note 1. Specification refers to Typical Application Circuit.
Note 2. This device is ESD sensitive. Use of standard ESD handling precautions is required.



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