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AP3790 数据表(PDF) 5 Page - Diodes Incorporated

部件名 AP3790
功能描述  PUMP EXPRESSTM COMPATIBLE AC/DC PSR CONTROLLER
PDF  17 Pages
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制造商  DIODES [Diodes Incorporated]
网页  http://www.diodes.com
标志 DIODES - Diodes Incorporated

AP3790 数据表(HTML) 5 Page - Diodes Incorporated

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AP3790
Document number: DS37221 Rev. 3 - 2
5 of 17
www.diodes.com
October 2014
© Diodes Incorporated
AP3790
A Product Line of
Diodes Incorporated
Electrical Characteristics (@VCC = 12V, TA = +25°C, unless otherwise specified.) (Cont.)
Symbol
Parameters
Conditions
Min
Typ
Max
Unit
VFB@3.8V
Feedback Threshold Voltage
–
3.03
3.11
3.19
V
VFB@3.6V
2.89
2.96
3.03
RFB
FB Pin Input Resistance
VFB=4V
560
700
840
kΩ
VCABLE/VOUT%
Cable Compensation Ratio@5V
–
5
6
7
%
CONSTANT CURRENT SECTION
tONS/tSW
Maximum Secondary Duty Cycle
VFB=2V (Note 5)
0.47
0.5
0.53
–
DYNAMIC SECTION
VUV_H
Under Voltage of Feedback Pin for VCS_H
(Note 5)
3.61
3.68
3.75
V
OUTPUT VOLTAGE SELECTION SECTION
VCPC_L
Current Control Threshold
VCPC control_L
–
59
–
mV
VCPC_H
VCPC control_H
–
100
–
tON_A
Current Control Pattern Time
(Note 5)
400
500
600
ms
tON_B
220
300
380
tON_C
50
100
150
tOFF_D
50
100
150
tWDT
Watch Dog Time
–
180
210
240
ms
PROTECTION FUNCTION SECTION
VFB(OVP)
Over Voltage Protection
–
7.1
7.5
7.9
V
VCC(OVP)
Over Voltage Protection at VCC Pin
–
27
30
33
V
VOUT(OVP)
Over Voltage Protection at OUT Pin
–
3.4
3.65
3.9
V
VFB(SCP)
Short Circuit Protection
VFB @ Hiccup
1.61
1.7
1.79
V
tSCP
Maximum Time under VFB(SCP)
–
116
128
140
ms
TOTP
Shutdown Temperature
–
+128
+140
+152
°C
THYS
Temperature Hysteresis
–
+36
+40
+44
°C
Note 5: Guaranteed by design.



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