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AP3984 Datasheet(PDF) 5 Page - Diodes Incorporated

Part # AP3984
Description  PRIMARY SIDE POWER SWITCHER FOR OFF-LINE SMPS
PDF  15 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP3984 Datasheet(HTML) 5 Page - Diodes Incorporated

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AP3984
Document number: DS37655 Rev. 3 - 2
5 of 15
www.diodes.com
December 2016
© Diodes Incorporated
AP3984
Electrical Characteristics (@VCC=15V, TJ=+25°C, unless otherwise specified.) (Cont.)
Symbol
Parameters
Conditions
Min
Typ
Max
Unit
FREQUENCY JITTER SECTION
ΔVCS/VCS
VCS Modulation
NL to full load
4.5
5
5.5
%
tMOD
VCS Modulation Frequency
366
488
610
μs
CURRENT SENSE SECTION
VCS_H
Peak Current Sense Voltage in Heavy
Load
45% to 100% of full load
540
600
660
mV
VCS_L
Peak Current Sense Voltage in Light
Load
0% to 7% full load
216
240
264
mV
RLINE
Built-in Line Compensation Resistor
–
108
120
132
Ω
tLEB
Leading Edge Blanking
–
400
600
800
ns
CONSTANT VOLTAGE SECTION
VFB
Feedback Threshold Voltage
Closed loop test of VOUT
2.45
2.5
2.55
V
VCABLE(MAX)
Cable Compensation Voltage
–
1.4
1.45
1.5
V
CONSTANT CURRENT SECTION
tONS/tSW
Secondary Winding Conduction
Duty
Tested @VFB=2V
–
4/8
–
–
VALLEY-ON SECTION
tVAL-ON
Valid Off Time of Valley-On
From the end of tONS
20
26
32
μs
DYNAMIC SECTION
VTRIGGER
Trigger Voltage for Dynamic
Function
–
40
62.5
85
mV
tDELAY
Delay Time for Dynamic Function
From the end of tONS
95
122
150
s
VUV_H
Under Voltage of FB Pin for VCS_H
–
2.23
2.275
2.32
V
POWER BJT SECTION
VCE(SAT)
Collector-Emitter Saturation Voltage
IC=0.5A
–
–
0.3
V
hFE
DC Current Gain
–
14
17
–
–
ICEO
Leakage Current
–
–
–
60
μA
DRIVER SECTION
ISOURCE
Peak Driver Source Current
@ CP Test
27.6
30
32.4
mA
RDS(ON)
Sink Resistance
@ CP Test
2
2.3
2.6
Ω
PROTECTION FUNCTION SECTION
VFB(OVP)
Over Voltage Protection at FB Pin
–
3.5
3.75
4
V
VCC(OVP)
Over Voltage Protection at VCC Pin
–
27
28.5
30
V
tONP(MAX)
Maximum Turn-on Time
–
13
17.5
22
μs
tOFF(MAX)
Maximum Off Time
–
11
14
17
ms
VCS(MIN)
Minimum Peak Current Sense Voltage
at tONP(MAX)
–
135
150
165
mV
VFB(SCP)
Short Circuit Protection
VFB @ Hiccup
1.46
1.5
1.54
V
tSCP
Time under VFB(SCP)
–
32
51.5
71
ms
TOTP
Shutdown Temperature
–
+135
+150
+165
ºC
THYS
Temperature Hysteresis
–
+30
+40
+50
ºC



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