tb62732fu TOSHIBA Semiconductor CORPORATION, tb62732fu Datasheet - Page 2

• Manufacturer Part Number: tb62732fu
• Description: Step-up Dc/dc Converter For White Led Driver
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Block Diagram
Pin Functions
Note 2: Connect both GND pins to ground.
2, 5
No
1
3
4
6
Symbol
SHDN
GND
V
K
A
CC
SHDN
Pin connecting LED cathode to resistor used to set current.
Feedback pin for voltage waveforms for controlling LED constant current.
Ground pin for logic
IC enable pin.
When Low, Standby Mode and pin A turned off.
Input pin for power supply for operating the IC.
Operating voltage range: 3.0 to 5.5 V
DC-DC converter switch pin.
The switch is an N-channel MOSFET transistor.
1.1 MHz
V
CC
S
R
Q
GND
2
Function
A
K
TB62732FU
2006-06-14