Product Summary

The PT6903 is a PFM high brightness LED driver control IC. It allows efficient operation of driver current up to 1.0A output, and the input range is from 7V to 36V. Moreover, PT6903 controls the internal MOS at a modulated switch frequency up to 800KHz. PT6903 drives a single or multiple series LEDs at a constant-current control method; thus, providing constant current light output and enhanced reliability. PT6903 integrates more protection functions. The reliability of LEDs and device can be promoted by these protection functions. PT6903 provides over current protection when output short-circuit or LEDs current rises up about two times setting current.

Parametrics

PT6903 absolute maximum ratings:(1)Wide input voltage range:7V to 36V;(2) Applications up to 1.0A.

Features

PT6903 features: (1)>90% efficiency; (2)Wide input voltage range: 7V to 36V; (3)Constant current driver; (4)Applications up to 1.0A; (5)Linear & PWM dimming; (6)Thermal shutdown protection; (7)Over current protection; (8)Internal 40V power NMOS switch.

Diagrams

PT6903 pin configuration

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
PT6903
PT6903
Other

Data Sheet
Negotiable 
Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
PT6901
PT6901
Other

Data Sheet
Negotiable 
PT6901C
PT6901C
Texas Instruments
DC/DC Switching Converters (-)2.0VOUT 12W VOLT CONVERTER
Data Sheet
Negotiable 
PT6901N
PT6901N
Texas Instruments
DC/DC Converters (-)2.0VOUT 12W VOLT CONVERTER
Data Sheet
0-1: $32.35
1-25: $28.88
25-100: $27.29
100-250: $26.29
PT6902A
PT6902A
Texas Instruments
DC/DC Switching Converters (-)5.2VOUT 12W VOLT CONVERTER
Data Sheet
Negotiable 
PT6902C
PT6902C
Texas Instruments
DC/DC Converters (-)5.2VOUT 12W VOLT CONVERTER
Data Sheet
0-5: $32.35
5-25: $28.88
25-100: $27.29
100-250: $26.29
PT6902N
PT6902N
Texas Instruments
DC/DC Converters (-)5.2VOUT 12W VOLT CONVERTER
Data Sheet
0-7: $32.35
7-25: $28.88
25-100: $27.29
100-250: $26.29