TC62D902FG Datasheet, PDF (4/19 Pages) Toshiba Semiconductor – Offline Isolated AC/DC Flyback LED Controller built-in PFC

TC62D902FG
7. Pin Function
Pin No. Pin name I/O
Function
1
OREF
I This is a capacitor connection pin for the internal-oscillator.
2
VSEN
I This is a monitor pin with secondary side current pulse width.
3
VIN
I This is the input pin of the sine wave for PFC.
4
BLDR
O This is the on signal output pin of the outer MOSFET which passes a bleeder current.
5
GND
P This is a ground pin.
6
ISEN
I This is the voltage sense pin of the primary side current.
7
GATE
O This is an outer power MOSFET on signal output pin.
8
VCC
P This is a connection pin in the IC function supply.
I: Input Pin, O: Output Pin, P: Pin of Supply and Ground.
8. Similar circuit of input and output Pin
Pin No. Pin name
Equivalent circuit
Pin No. Pin name
Equivalent circuit
1
OREF
2
VSEN
3
VIN
Internal Vreg
R
8
VCC
Internal
Vreg
Regulator
5
GND
Clamp
4
BLDR
VCC
R
6
ISEN
7
GATE
BLDR : R=270 ohm typ.
GATE : R=0
4
2014-10-01