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Technical content
Features
High Voltage : VIN up to 36V, VOUT up to 36V 2.5A Switch Current Buck, Boost or Buck-Boost Operation Current Mode PWM with 500KHz Switching Fre- quency Easy dimming : Analog, PWM or PWM Con- verting to Analog with One External Capacitor Soft Start to Avoid Inrush Current Programmable Over Voltage Protection to Limit Output Voltage VIN Under Voltage Lockout and Thermal Shut- down 12-Lead TDFN and MSOP-10 (FD) Package
Applications
GPS, Portable DVD Backlight Desk Light and Room Lighting Industrial Display Backlight General Description The G2602 is a current mode DC/DC converter with an internal 2.5A, 40V switch specifically designed to drive LEDs. The G2602 operates as a LED driver in buck, boost and buck-boost mode. The LED current is externally programmable with a 120mV sense resistor. With a 500KHz operating frequency, the external in- ductor and input/output capacitors can all be small. Dimming can be either analog, PWM, or PWM con- verting to analog with an external capacitor. The G2602 is available in TDFN-12L 3x3 and MSOP-10 (FD) package.
Ordering Information
TEMP. RANGE PACKAGE (Green) G2602RQ1U 2602 -30 °C to +105°C TDFN3X3-12 G2602F61U G2602 -30 °C to +105°C MSOP-10 (FD) Note: RQ:TDFN3X3-12 F6:MSOP-10 (FD) 1: Bonding Code U: Tape & Reel Pin Configuration G2602 TDFN3X3-12 G5625 TG LX OVP VC ISP VIN1 Thermal Pad VP5 ISN 6 7 GND DCTL ACTL EN Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. ACTL OVP LX VP5 GND VIN ISP ISN VC MSOP-10 (FD) G2602 65EN Thermal Pad Top View G2602 TDFN3X3-12 G5625 TG LX OVP VC ISP VIN1 Thermal Pad VP5 ISN 6 7 GND DCTL ACTL EN Note: Recommend connecting the Thermal Pad to the Ground for excellent power dissipation. ACTL OVP LX VP5 GND VIN ISP ISN VC MSOP-10 (FD) G2602 65EN Thermal Pad Top View