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| tm TE CH T6336A Two Channel Constant Current Regulator FEATURES * Two Channel Constant Current Regulator * Option Current: 260mA/85mA, 260mA/130mA, 240mA/120mA, 225mA/110mA GENERAL DESCRIPTION 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. * 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 APPLICATIONS * Flash Light * Lighting * Portable Communication Devices * Handheld Electronics * DC/DC LED driver PART NUMBER EXAMPLES Part no. Current Package type TO-252 TO-252 TO-252 TO-252 T6336A-2685WG 260mA/85mA T6336A-2613WG 260mA/130mA T6336A-2412WG 240mA/120mA T6336A-2211WG 225mA/110mA TYPICAL APPLICATION CIRCUITS V IN 2 .7 V ~ 5 V SW PIN ARRANGEMENT (Top view) TO-252 GND 6 LED 1 LED 2 1 2 3 4 5 T6336A VDD CE GND LED 1 LED 2 GND CE VDD TM Technology Inc. reserves the right to change products or specifications without notice. P. 1 Publication Date: MAR. 2007 Revision: A tm SYMBOL VDD CE GND LED2 LED1 TE CH T6336A PIN DESCRIPTION Pin no. 1 2 3 4 5 DESCRIPTION Power supply Chip enable Ground LED2 Cathode Connection LED1 Cathode Connection ABSOLUTE MAXIMUM RATINGS Parameter Voltage on any pin relative to GND Operating Temperature Rang Maximum Soldering Temperature (at leads, 10 sec) Storage Temperature Rang Continuous Power Dissipation ( TA = +70C ) Symbol VIN TA TLEAD TS Value -0.3 to 6 -40 to +85 300 -65 to +150 1 Unit V C C C W Electrical Characteristics (Typical values are at TA =25C) Symbol VDD Description Operating voltage range Conditions VDD is power supply input LED1 VDD = 4.5V VLED =3.5V LED2 Min. Typ. Max 2.7 225 240 260 85 110 120 130 5 Unit V mA ILED Maximum LED sink current mA TTP ILSD Thermat Protect LED leakage current in shutdown VDD = GND, VLED = 5V 160 0.2 1 C uA TM Technology Inc. reserves the right to change products or specifications without notice. P.2 Publication Date: MAR. 2007 Revision: A tm E TE CH T6336A PACKAGE DIMENSIONS 5-LEAD TO-252 A A1 b2 6 L2 D1 SEATING PLANE c1 E1 D 1 2 3 4 5 H L1 c e b e1 L 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 |
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