DCDC Converter, 1ch, Step-up, Inductive DCDC1ch Feature 1.0MHz operation 1MHz Internal switching transistor Maximum duty cycle 93% 93 24.5vMAX output 24.5V Very small inductor available Very small package SON3024-8 0.75mmSON3024-8 VOP=2.65~10V Operating Voltage Range VOP=2.65 to 10V Operating Temp. Range TOP=-30 to +85C TOP=-30~+85C PD=600mW Power Dissipation PD=600mW Characteristics Part Name TK11880 Number of Current Stabilizer - fOSC Number of LED in serial connection 2 to 6 LED 1.0MHz ILED Max 30mA Ordering Guide, Marking Part Name TK11880 Ordering Name Marking TK11880FTL-GH Description Order Size TK11880: Part Name 3,000 F: SON3024-8 Package pcs. TL: Tape&Reel, Left /Reel -GH: PB-Free&Halogen Free AB9 LOT Block Diagram, Standard Application L EN TK11880F PGND 1 Oscillator 8 Reference Voltage on/off SW PWM Comp VIN 7 VIN Output Drive Control 2 0.6V 3 2 CIN 4.7F 3 4 Over Current Detector GND OVP 6 VFB En VIN GND VFB PGND SW OVP EA.OUT 8 7 SBD 6 5 CEA COUT 2.2F ILED 1.0F EAOUT 4 5 0.495V 2010 AUTUMN 1 Error Amp RLED 24 Page 129 12 DCDC Converter TK11880