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AP3983BCD Datasheet(PDF) 5 Page - Diodes Incorporated

Part # AP3983BCD
Description  HIGH FREQUENCY PRIMARY SIDE POWER SWITCHER FOR OFF-LINE SMPS
PDF  13 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP3983BCD Datasheet(HTML) 5 Page - Diodes Incorporated

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AP3983B/C/D
Document number: DS36784 Rev. 4 - 2
5 of 13
www.diodes.com
July 2016
© Diodes Incorporated
AP3983B/C/D
Electrical Characteristics (@VCC = 15V, TJ = +25°C, unless otherwise specified.)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
STARTUP AND UVLO SECTION
VTH_ST
Turn-on Voltage
–
13
15.5
18
V
VOPR(MIN)
Turn-off Voltage
–
6
6.8
7.6
V
STANDBY CURRENT SECTION
IST
Turn-on Current
VCC = VTH_ST-1V before
startup
0
0.2
0.6
μA
ICC_OPR
Operating Current
Static current @ no load
350
500
650
OPERATING FREQUENCY SECTION (5% LOAD TO FULL LOAD)
fS(MAX)
Operating Frequency in Full Load
Condition
–
–
65
80
kHz
Δf/f
Frequency Dithering
5% to 100% of full load
range
4
7
10
%
OPERATING FREQUENCY SECTION (NO LOAD TO 5% OF IOUT(MAX))
fS(MIN)
Output Voltage Detection Frequency
–
1.8
2
2.2
kHz
CURRENT SENSE SECTION
VCS_H
Peak Current Sense Voltage in Heavy
Load
30% to 100% of full load
828
900
972
mV
ΔVCS/VCS
VCS Modulation for Frequency Dithering
–
–
2.5
–
%
tMOD
VCS Modulation Period
–
–
250
–
μs
RLINE
Built-in Line Compensation Resistor
–
–
230
–
Ω
tLEB
Leading Edge Blanking
@ VCS_H and VCS_M
410
500
575
ns
@ VCS_EL
220
250
288
ns
CONSTANT VOLTAGE SECTION
VFB
Equivalent Feedback Voltage @ Light
Load
Closed loop test of VOUT
3.89
3.95
4.01
V
RFB
FB Pin Input Resistance
–
560
700
840
k
VCABLE/VOUT
Cable Compensation Ratio
(VFB@FULLLOAD-VFB)/VFB
5.65
6.00
6.40
%
CONSTANT CURRENT SECTION
tONS/tSW
Secondary Winding Conduction Duty
VFB = 2V
–
4/8
–
–
POWER MOSFET SECTION
BVDSS
Drain-Source Breakdown Voltage
–
650
–
–
V
RDS(ON)
On State Resistor
AP3983B
–
9
12
AP3983C
–
5
6
AP3983D
–
2.4
3
PROTECTION FUNCTION SECTION
VFB(OVP)
Over Voltage Protection
–
–
7.5
–
V
VFB(SCP)
Short Circuit Protection
VFB @ Hiccup
1.4
1.5
1.6
V
TOTP
Shutdown Temperature
–
+125
+160
–
°C
THYS
Temperature Hysteresis
–
–
+40
–
°C



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