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PDF AP3105NR Data sheet ( Hoja de datos )
| Número de pieza | AP3105NR | |
| Descripción | COST EFFECTIVE GREEN PWM CONTROLLER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Description
A Product Line of
Diodes Incorporated
AP3105NA/NV/NL/NR
COST EFFECTIVE GREEN PWM CONTROLLER
Pin Assignments
The AP3105NA/NV/NL/NR is a low startup current, current mode
PWM controller with green-mode power-saving operation. The PWM
switching frequency at normal operation is set with 65kHz typically
and the dithering of frequency will also improve the EMI feature.
When the load decreases, the frequency will reduce and when at a
very low load, the IC will enter the ‘burst mode’ to minimize switching
loss.
About 20kHz frequency switching is to avoid the audible noise as well
as reducing the standby loss. The skip mode point can be adjusted
through the external resistor connected to the current sense resistor.
The AP3105NA/NV/NL/NR features a lot of functions such as the
Leading-Edge Blanking (LEB) of the current sensing, internal slope
compensation and several protection functions including cycle-by-
cycle current limit (OCP), VCC Over Voltage Protection (VOVP), OTP
and OLP protection. The versatile latch function can be set by the
customer through few components.
This IC is available in SOT-23-6 package.
K Package
(SOT-23-6)
Pin 1 Mark
GND 1
FB 2
CTRL 3
6 GATE
5 VCC
4 SENSE
Features
Very Low Start-up Current
Current Mode Control
Non-audible-noise Green-mode Control
Skip Mode Adjustable
Internal Slope Compensation
Soft Start During Startup Process
Frequency Fold Back for High Average Efficiency
Secondary Short Winding Protection with FOCP
Soft Switching for Reducing EMI
VCC Maintain Mode
Latch Function for OTP/OVP
Useful Pin Fault Protection:
SENSE Pin Floating
CTRL Pin Short to Ground
FB/Opto-coupler Open/Short
Comprehensive System Protection Feature:
VCC Over Voltage Protection (VOVP)
Over Load Protection (OLP)
Mini Size with Packages
Pin to Pin Compatible with AP3103
Applications
Switching AC-DC Adapter/Charger
ATX/BTX Auxiliary Power
Set-top Box(STB) Power Supply
Open Frame Switching Power Supply
AP3105NA/NV/NL/NR
Document number: DS36542 Rev. 1 - 2
1 of 13
www.diodes.com
September 2013
© Diodes Incorporated
1 page  
A Product Line of
Diodes Incorporated
AP3105NA/NV/NL/NR
Electrical Characteristics (@TA = +25°C, VCC = 16V, unless otherwise specified.)
Symbol
Supply Voltage (VCC Pin)
ISTARTUP
Parameter
Startup Current
ICC Operating Supply Current
– UVLO (on)
– VCC Maintain
– UVLO (off)
– VCC OVP
– VCC Clamp
PWM Section/Oscillator Section
– Maximum Duty Cycle
– Oscillation Frequency
– Green Mode Frequency
– Frequency Temperature
Stability
– Frequency Voltage Stability
– Frequency Dithering
Current Sense Section (SENSE Pin)
VCS Maximum SENSE Voltage
– FOCP Voltage
– LEB Time of SENSE
– Delay to Output (Note 2)
– Soft-start Time
Feedback Input Section (FB Pin)
– The Ratio of Input Voltage to
Current Sense Voltage
– Input Impedance
– Source Current
– Green Mode Threshold
– Input Voltage for Zero Duty
Output Section (GATE Pin)
–
–
–
–
–
Output Low Level
Output High Level
Output Clamping
Rising Time (Note 2)
Falling Time (Note 2)
Conditions
Min
–
VFB=0V, CL=1nF
VFB=3V, CL=0nF
–
–
–
–
ICC=5mA
2
0.5
0.6
14.5
9.7
7.6
27
31
–
–
–
-20oC to 125oC (Note 2)
70
60
20
–
VCC=12V to 30V
–
–
±4
VFB=3.6V
–
–
–
–
–
–
VFB=0V
–
–
0.9
1.65
150
–
3
2.5
7
-0.75
–
1.3
IO=20mA, VCC=12V
IO=20mA, VCC=12V
–
CL=1nF, VCC=13V
CL=1nF, VCC=13V
–
8
11
–
–
Typ
5
0.85
1.2
15.5
10.2
8.6
28.5
34
75
65
–
–
–
±6
0.95
1.8
250
100
5
3
10
-0.5
2.1
1.55
–
–
13
150
50
Max
20
1.2
2.0
16.5
10.7
9.6
30
–
80
70
30
5
3
±8
1
1.95
350
–
8
3.5
13
-0.25
–
1.8
1
–
15
250
100
Unit
μA
mA
V
V
V
V
V
%
kHz
kHz
%
%
%
V
V
ns
ns
ms
V/V
kΩ
mA
V
V
V
V
V
ns
ns
AP3105NA/NV/NL/NR
Document number: DS36542 Rev. 1 - 2
5 of 13
www.diodes.com
September 2013
© Diodes Incorporated
5 Page 
Package Outline Dimensions (All dimensions in mm(inch).)
A Product Line of
Diodes Incorporated
AP3105NA/NV/NL/NR
SOT-23-6
2.820(0.111)
3.100(0.122)
0.300(0.012)
0.500(0.020)
6 54
0.300(0.012)
0.600(0.024)
0°
8°
0.200(0.008)
Pin 1 Mark
12
3
0.950(0.037)TYP
1.800(0.071)
2.000(0.079)
0.700(0.028)REF
0.000(0.000)
0.150(0.006)
0.100(0.004)
0.200(0.008)
0.900(0.035) 1.450(0.057)
1.300(0.051)
MAX
AP3105NA/NV/NL/NR
Document number: DS36542 Rev. 1 - 2
11 of 13
www.diodes.com
September 2013
© Diodes Incorporated
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP3105NR.PDF ] | |
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