tb62736fugel Marktech Optoelectronics, tb62736fugel Datasheet - Page 2

• Manufacturer Part Number: tb62736fugel
• Description: Step-up Type Dc-dc Converter For White Leds
• Manufacturer: Marktech Optoelectronics

Block Diagram
Pin Functions
Note: The NC terminal is not connected to the internal circuit.
No.
1
2
3
4
5
6
SHDN
Symbol
SHDN
GND
VIN
VIN
SW
NC
FB
3
1
Reference
Mono Multi
Supply voltage pin. Supply voltage range : 2.8V to 5.5V
Input pin for IC ON/OFF control and variable LED I
0 to 0.5V : Shutdown Mode (IC shutdown)
1.0V to 2.5V : I
Over 2.5V : I
PWM signal input for IF control (see p.5)
No Connection or Connected to GND
DC-DC converter switching pin – switch incorporates N-ch MOSFET
Ground pin
Connected to the cathode of LED
Level
Detect
F
CTL
AMP.
= 100%
F
= 25 to 100% Variable (Linear Control)
Off Time
Control
Mono Multi
2
4
SW
Function
CTL
AMP.
Error
AMP.
F
GND
.
2
5
NC
6
TB62736FUG
2004-10-29