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BCT3752 Datasheet Preview

BCT3752 Datasheet

Asynchronies Boost

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Ver 1.5
BCT3752
Small Package, High Performance, Asynchronies Boost for 8 Series
WLED Driver
Features
3.0V to 5.5V Input Voltage Range
Internal Power N-MOSFET Switch
Wide Range for PWM Dimming(10kHz to
100kHz)
Dimming Stable in 1:250 Range
Minimize the External Component Counts
Internal Soft Start
Internal Compensation
Small TSOT-23-6 Packages
RoHS Compliant and 100% Lead Free
Description
The BCT3752 is a high frequency.
asynchronous boost converter. The internal
MOSFET can support up to 8 White LEDs for
backlighting and OLED power application, and
the internal soft start function can reduce the
inrush current. The device operates with
600kHz fixed switching frequency to allow small
external components and to simplify possible
EMI problems. For the protection, the BCT3752
provides up to 40V OVP to allow inexpensive
and small-output capacitors with lower voltage
ratings. The LED current is initially set with the
external sense resistor RSET. The BCT3752 is
available in TSOT-23-6 packages to save PCB
space.
Pin Configurations (Top View)
Applications
Cellular Phones
Digital Cameras
PDAs, Smart Phones, MP3 and OLED
Portable Instruments
TSOT-23-6
TOP VIEW
LX 1
6 VIN
GND 2
5 NC
FB 3
4 EN
Ordering Information
Part Pin-Package
BCT3752EBT-TR TSOT23-6
Note: XX is data code
www.broadchip.com
Temp-Range
-40°C to +85°C
Top Mark
G7CXX
Supplied as:
3000units/Tape & Reel
1




BROADCHIP

BCT3752 Datasheet Preview

BCT3752 Datasheet

Asynchronies Boost

No Preview Available !

Ver 1.5
Typical Application Circuit
Pin Description
NO. NAME I/O
DESCRIPTION
1 LX I Switching Pin.
2 GND G Ground Pin.
3 FB I Feedback Pin, Connect the sense resistor from FB to GND.
4 EN I Chip Enable (Active High).
5 NC - No Connect
6 VIN I Input Supply .
Absolute Maximum Ratings(1)
Symbol
VIN
VLX
VOUT
PD
θJA
TJ
TSTG
Description
Supply Voltages on VIN (2)
Voltage on LX(2)
Voltage on VOUT
Other Pins
Continuous Power Dissipation
Package Thermal Resistance
Operating Junction Temperature Range
Storage Temperature Range
Value
0.3 to 6
0.3 to 40
0.3 to 36
0.3 to 6
0.392
255
40 to 150
65 to 150
Unit
V
V
V
V
W
°C/W
°C
°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to network ground terminal.
www.broadchip.com
2


Part Number BCT3752
Description Asynchronies Boost
Maker BROADCHIP
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BCT3752 Datasheet PDF






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