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Toshiba Electronic Components Datasheet

TC62D902FG Datasheet

Offline Isolated AC/DC Flyback LED Controller built-in PFC

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TC62D902FG
TOSHIBA CD-MOS Integrated Circuit Silicon Monolithic
TC62D902FG
Offline Isolated AC/DC Flyback LED Controller built-in PFC
1. Overview
This product is an isolation type flyback mode LED
controller.
This device is controlling an average LED current from the
primary side current value and the bias side impulse-wave
of the transformer and the detection circuit of the
secondary side is unnecessary.
Then, this product has the active PFC function of the single
stage mode and the active bleeder pin to do triac dimmer
and realizes LED lighting with few components.
2. Application
Isolated AC/DC LED lighting
TC62D902FG
P-SOP8-0504-1.27-001
Weight : 0.07gtypical
3. Features
The isolation type LED control with few components
The triac dimmable
Single stage mode PFC
The secondary side photo-coupler is unnecessary.
The bottom switch function for the efficiency and the noise modification
Detection functions
The VCC reduced voltage detection ( UVLO, Under voltage Lockout )
The VIN over-voltage detection ( VIN-OVD )
The sense resistor short detection at Start-Up ( SRSD )
The sense wiring open detection ( SWOD )
The over temperature detection ( OTD )
The output LED open detection ( OOD )
The output LED short detection ( OSD )
The over-current detection at the primary side ( OCD )
Package : P-SOP8-0504-1.27-001
© 2014 TOSHIBA Corporation
1
2014-10-01


Toshiba Electronic Components Datasheet

TC62D902FG Datasheet

Offline Isolated AC/DC Flyback LED Controller built-in PFC

No Preview Available !

4. Block Diagram
TC62D902FG
OREF
VIN
GND
BLDR
OTD
Error detect circuit
UVLO
Regulator
Duty control
Control logic
Gate Driver
Sin wave
phase monitor
VBLDR V Comp
Error detect circuit
Bottom wave
monitor
Comp
Output open
V detection
V VANG DET
Comp
VIN over
Voltage
Detection
V
Comp V
Output short
detection
Over current
detection
Comp
V
Sense R short
detection (start-up only)
Comp V
Gate Driver
Comp
Peak current
monitor
Blank Time
VCC
GATE
VSEN
ISEN
2 2014-10-01


Part Number TC62D902FG
Description Offline Isolated AC/DC Flyback LED Controller built-in PFC
Maker Toshiba
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