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What is AP3032?

This electronic component, produced by the manufacturer "BCD Semiconductor", performs the same function as "WHITE LED STEP-UP CONVERTER".


AP3032 Datasheet PDF - BCD Semiconductor

Part Number AP3032
Description WHITE LED STEP-UP CONVERTER
Manufacturers BCD Semiconductor 
Logo BCD Semiconductor Logo 


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Data Sheet
WHITE LED STEP-UP CONVERTER
AP3032
General Description
The AP3032 is an inductor-based DC/DC boost
converter designed to drive up to 4 rows of LEDs
with 7 series for each in parallel for backlight.
A constant frequency 1MHz PWM control scheme is
employed in this IC, which means tiny external
components can be used. Specifically, 1mm tall
6.8μH inductor and 1µF aluminum output capacitor
for the typical application is sufficient.
The over output voltage protection is equipped in
AP3032, which protects the IC under open load
condition. The AP3032 includes UVLO, soft-start,
stand-by mode, current limiting and OTSD to protect
the circuit under over load condition
The AP3032 is available in SOT-23-6 package.
Features
Efficiency Up to 81%VIN=5V, IOUT=80mA
• Drives up to 4 Rows of WLEDs with 7 Series
for Each in Parallel (VIN=5V)
• Fast 1 MHz Switching Frequency
• Wide Input Voltage Range: 2.7V to 9V
• Low Feedback Voltage: 200mV
• Output Over Voltage Protection
• Cycle-by-cycle Current Limit: 1.4A
Built in Soft-start
Built in Standby-mode to Achieve High
Frequency PWM Dimming
Built in Thermal Shutdown Function
Under Voltage Lockout
Applications
7’ to 10’ LCD Panels
• Digital Photo Frame
• GPS Receiver
SOT-23-6
Dec. 2012 Rev. 1. 2
Figure 1. Package Type of AP3032
BCD Semiconductor Manufacturing Limited
1

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AP3032 equivalent
Data Sheet
WHITE LED STEP-UP CONVERTER
AP3032
Electrical Characteristics
VIN=VCTRL=5.0V, unless otherwise specified. Specification with standard typeface are for TA= 25°C, and those in
boldface type apply over the full operating temperature rang (TA=-40°C to 85°C).
Parameters
Symbol Conditions
SUPPLY VOLTAGE (VIN PIN)
Input Voltage
VIN
Quiescent Current
IQ
Shutdown Supply Current
ISHDN
VFB=VIN,
Not Switching
VCTRL=0V
ENABLE (EN PIN)
CTRL Pin Voltage
CTRL Pin Bias Current
VCTRL
ICTRL
OUTPUT VOLTAGE
OVP Voltage
VOVP
VOLTAGE REFERENCE (FB PIN)
Feedback Voltage
VFB
Feedback Bias Current
IFB
SWITCHING REGULATOR
Switching Frequency
f
Maximum Duty Cycle
Switch Current Limit
Switch VCE Saturation Voltage
Switch Leakage Current
DMAX
ILIMIT
VCE_SAT
D=60%
ISW=1A
VSW=9V
THERMAL SHUTDOWN
Thermal Shutdown
Thermal Shutdown Hysteresis
TOTSD
THYS
SOFT START
Soft-start Time
Standby Time
tSS
tSTANDBY
Min Typ Max Unit
2.7 9 V
3.0 4.0 5.0 mA
50 μA
1.2 V
60 μA
27 V
188 200 212 mV
35 100 μA
0.75 1
1.3 MHz
90 93
%
1.2 1.4
A
300 mV
0.01 5
μA
160 ºC
20 ºC
300 μs
0.7 ms
Dec. 2012 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AP3032 electronic component.


Information Total 13 Pages
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