BL8532B
BL8532B is White LED PFM Step-Up DC-DC Converter manufactured by BELLING.
Features
:
- Low start voltage：0.8V ( at Iout=1m A)；
- Output Current range：0~ 500m A；
- Output Current accuracy：±10%；
- High Efficiency：82%(Type)；
- PACKAGE： SOT-89-5.
Applications：
- Power source for white LED
- Supply constant current
- Power source for a single or dual-cell battery-powered equipments
Selection guide： BL8532B-XX X XX
Package: SN：SOT-89-5
Pin configuration：
- - BL8532B- PSN
Temperature range: C：standard P：standard
（Pb free）
Feedback voltage: 10……100m V 20……200m V 25……250m V 30……300m V 35……350m V 40……400m V
Pin No. 1 2 3 4 5
Symbol IFB Vout CE Lx GND
Description
Current feedback pin
Output pin, power supply for internal circuits
Chip enable pin (active high)
Switching pin(Nch open drain)
Ground pin http://.belling..cn
- 1Total 13 Pages
2/20/2013
Functional block diagram ：
Absolute maximum ratings:
PARAMETER
VIN Input Voltage
Lx Pin voltage
CE Pin voltage
IFB output voltage
Lx Pin current
Continuous SOT-23-5 Total Power
Dissipation
SOT-89-5
Maximum Operating Ambient Temperature Operating Ambient Temperature Storage Temperature Soldering temperature and...
