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AP31261KTRG1 Datasheet(PDF) 5 Page - Diodes Incorporated

Part # AP31261KTRG1
Description  GREEN MODE PWM CONTROLLER
Download  13 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP31261KTRG1 Datasheet(HTML) 5 Page - Diodes Incorporated

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AP31261
Document number: DS37514 Rev. 2 - 2
5 of 13
www.diodes.com
May 2015
© Diodes Incorporated
AP31261
A Product Line of
Diodes Incorporated
Electrical Characteristics (@TA = +25°C, VCC = 16V, unless otherwise specified.)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply Voltage (VCC Pin)
ISTARTUP
Startup Current
1
10
μA
ICC
Operating Supply Current
VFB=0V, CL=1nF
0.5
0.7
1
mA
VFB=3V, CL=0nF
0.6
1.2
2.0
UVLO (on)
14.5
15.8
16.5
V
VCC Maintain
8.6
9.1
9.6
V
UVLO (off)
7.1
7.6
8.1
V
VCC OVP
27
28.5
30
V
VCC Clamp
ICC=5mA
31
34
V
PWM Section/Oscillator Section
Maximum Duty Cycle
70
75
80
%
Oscillation Frequency
60
65
70
kHz
Green Mode Frequency
20
30
kHz
Frequency Temperature
Stability
-20°C to +125°C
(Note 5)
5
%
Frequency Voltage Stability
VCC=12V to 30V
3
%
Frequency Dithering
±4
±6
±8
%
Current Sense Section (SENSE Pin)
VCS
Maximum SENSE Voltage
VFB=4.5V
0.9
0.95
1
V
FOCP Voltage
1.5
1.7
1.9
V
SENSE Shorted Protection
Threshold(Note 5)
50
mV
LEB Time of SENSE
150
250
350
ns
Delay to Output (Note 5)
100
ns
Soft-start Time
3
5
8
ms
Feedback Input Section (FB Pin)
The Ratio of Input Voltage to
Current Sense Voltage
2.5
3
3.5
V/V
Input Impedance
12
15
18
Source Current
VFB=0V
-0.2
-0.27
-0.34
mA
Green Mode Threshold
2.1
V
Input Voltage for Zero Duty
1.3
1.55
1.8
V
Output Section (GATE Pin)
Output Low Level
IO=20mA, VCC=12V
1
V
Output High Level
IO=20mA, VCC=12V
8
V
Output Clamping Voltage
11
13
15
V
Rising Time
CL=1nF, VCC=13V
150
250
ns
Falling Time
CL=1nF, VCC=13V
50
100
ns


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