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PDF AP3105V Data sheet ( Hoja de datos )
| Número de pieza | AP3105V | |
| Descripción | COST EFFECTIVE GREEN PWM CONTROLLER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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A Product Line of
Diodes Incorporated
AP3105/V/L/R
COST EFFECTIVE GREEN PWM CONTROLLER
Description
Pin Assignments
The AP3105/V/L/R 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 AP3105/V/L/R 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.
(Top View)
Pin 1 Mark
GND 1
FB 2
CTRL 3
6 GATE
5 VCC
4 SENSE
SOT-23-6 (K Package)
This IC is available in SOT-23-6 package.
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
AP3105/V/L/R
Document number: DS36927 Rev. 2 - 2
1 of 13
www.diodes.com
February 2014
© Diodes Incorporated
1 page  
A Product Line of
Diodes Incorporated
AP3105/V/L/R
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
–
VFB=0V, CL=1nF
VFB=3V, CL=0nF
–
–
–
–
ICC=5mA
–
–
–
-20oC to +125oC
(Note 2)
VCC=12V to 30V
–
VFB=3.6V
–
–
–
–
–
–
VFB=0V
–
–
IO=20mA, VCC=12V
IO=20mA, VCC=12V
–
CL=1nF, VCC=13V
CL=1nF, VCC=13V
Min Typ Max Unit
2 5 25
0.5 0.85 1.2
0.6 1.2 2.0
14.5 15.5 16.5
9.7 10.2 10.7
7.6 8.6 9.6
27 28.5 30
31 34
–
µA
mA
V
V
V
V
V
70 75 80 %
60 65 70 kHz
20 – 30 kHz
– – 5%
– – 3%
±4 ±6 ±8 %
0.800
1.65
150
–
3
0.850
1.8
250
100
5
0.900
1.95
350
–
8
V
V
ns
ns
ms
2.5 3 3.5
7 10 13
-0.75 -0.5 -0.25
–2–
1.3 1.55 1.8
V/V
kΩ
mA
V
V
––1V
8––V
11 13 15
V
–
150 250
ns
– 50 100 ns
AP3105/V/L/R
Document number: DS36927 Rev. 2 - 2
5 of 13
www.diodes.com
February 2014
© Diodes Incorporated
5 Page 
Package Outline Dimensions (All dimensions in mm(inch).)
(1) Package Type: SOT-23-6
2.820(0.111)
3.100(0.122)
0.300(0.012)
0.500(0.020)
6 54
A Product Line of
Diodes Incorporated
AP3105/V/L/R
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
AP3105/V/L/R
Document number: DS36927 Rev. 2 - 2
11 of 13
www.diodes.com
February 2014
© Diodes Incorporated
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP3105V.PDF ] | |
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