tm TE CH T6336A Two Channel Constant Current Regulator FEATURES GENERAL DESCRIPTION • Two Channel Constant Current Regulator • Option Current: • Low Dropout Voltage • Low 0.1 uA Shutdown Supply Current • TO-252 lead-free Package • ESD Human Body Mode Over 5KV • 2.7V to 5V Supply Voltage Range • Build in Thermal Protect 160 °C The T6336A low-dropout bias supply for white LED is a high-performance used in conventional white LED designs. The T6336A much lower bias variation with supply voltage variation, significantly lower dropout voltage and Low Shutdown Supply Current, and in some applications, significantly improved efficiency from DC 2.7V to 5V. The T6336A is available in TO-252 lead-free package. APPLICATIONS PART NUMBER EXAMPLES 260mA/85mA, 260mA/130mA, 240mA/120mA, 225mA/110mA Part no. • Flash Light • Lighting • Portable Communication Devices • Handheld Electronics • DC/DC LED driver TYPICAL APPLICATION CIRCUITS Current Package type T6336A-2685WG 260mA/85mA T6336A-2613WG 260mA/130mA TO-252 T6336A-2412WG 240mA/120mA T6336A-2211WG 225mA/110mA TO-252 TO-252 TO-252 PIN ARRANGEMENT (Top view) TO-252 V IN 2 .7 V ~ 5 V SW GND 6 LED 1 LED 2 1 2 3 4 5 T6336A TM Technology Inc. reserves the right to change products or specifications without notice. LED 1 LED 2 GND CE VDD VDD CE GND P. 1 Publication Date: MAR. 2007 Revision: A tm TE CH T6336A PIN DESCRIPTION SYMBOL Pin no. VDD 1 CE GND LED2 LED1 2 3 4 5 DESCRIPTION Power supply Chip enable Ground LED2 Cathode Connection LED1 Cathode Connection ABSOLUTE MAXIMUM RATINGS Parameter Symbol Value Unit Voltage on any pin relative to GND VIN -0.3 to 6 V Operating Temperature Rang TA -40 to +85 °C TLEAD 300 °C TS -65 to +150 °C 1 W Maximum Soldering Temperature (at leads, 10 sec) Storage Temperature Rang Continuous Power Dissipation ( TA = +70°C ) Electrical Characteristics (Typical values are at TA =25°C) Symbol VDD Description Operating voltage range Conditions VDD is power supply input Min. Typ. Max 2.7 5 Unit V 225 LED1 240 mA 260 ILED Maximum LED sink current VDD = 4.5V VLED =3.5V 85 110 LED2 mA 120 130 TTP Thermat Protect 160 ILSD LED leakage current in shutdown VDD = GND, VLED = 5V 0.2 TM Technology Inc. reserves the right to change products or specifications without notice. P.2 °C 1 uA Publication Date: MAR. 2007 Revision: A tm TE CH T6336A PACKAGE DIMENSIONS 5-LEAD TO-252 E A A1 b2 6 L2 2 3 4 D1 SEATING PLANE D 1 E1 c1 5 H L L1 c e b e1 Symbol A A1 b b2 c c1 D D1 E E1 e e1 H L L1 L2 Dimension in inch Min. Max. 0.087 0.094 0.040 0.050 0.016 0.24 0.205 0.213 0.017 0.023 0.017 0.023 0.213 0.224 0.150 (REF.) 0.250 0.262 0.150 (REF.) 0.050 (TYP.) 0.200 (TYP.) 0.313 0.338 0.055 0.070 0.043 0.047 0.050 0.060 Dimension in mm Min. Max. 2.20 2.40 1.00 1.27 0.40 0.60 5.20 5.40 0.43 0.58 0.43 0.58 5.40 5.70 3.80 (REF.) 6.35 6.65 3.80 (REF.) 1.27 (TYP.) 5.08 (TYP.) 7.94 8.6 1.40 1.78 1.09 1.19 1.30 1.50 TM Technology Inc. reserves the right to change products or specifications without notice. P.3 Publication Date: MAR. 2007 Revision: A