cat4003b ON Semiconductor, cat4003b Datasheet
cat4003b
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cat4003b Summary of contents
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... Programmable LED Driver with 32 Dimming Levels Description The CAT4002B, CAT4003B and CAT4004B provide respectively two, three and four matched low dropout current sources to drive LEDs. The CAT400XB requires no external RSET resistor; the LED current is internally set when the device is first enabled. ...
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... NiPdAu (RoHS Compliant) http://onsemi.com 2 VHA SC70−6L KLA SC70− CAT4002B Device Code KL = CAT4003B Device Code A = Assembly Location Code Shipping (Note 2) 3,000 / Tape & Reel 3,000 / Tape & Reel 3,000 / Tape & Reel 3,000 / Tape & Reel 3,000 / Tape & Reel ...
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... LED1 EN/DIM GND NC LED2 VIN CAT4002B TSOT23−6L Function Parameter Parameter http://onsemi.com 3 1 LED2 LED1 GND LED3 VIN EN/DIM CAT4003B SC70−6L 1 LED2 LED1 GND NC VIN EN/DIM CAT4002B SC70−6L Value Unit 6 V VIN + 0.7 V −65 to +160 °C −40 to +125 °C 300 ° ...
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... Logic High Level − Logic Low Level Thermal Shutdown Thermal Hysteresis Undervoltage lockout (UVLO) threshold 4. For the CAT4004B LEDAVG LED,CH1 For the CAT4003B LEDAVG LED,CH1 For the CAT4002B LEDAVG LED,CH1 5. The standard lead finish is NiPdAu. Table 5. RECOMMENDED EN/DIM TIMING ...
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... 3 LEDs OUT 1.4 −40°C 1.2 25°C 1.0 0.8 0.6 80°C 0.4 2.0 2.5 3.0 3.5 4.0 4.5 INPUT VOLTAGE [V] Figure 2. EN High Threshold vs. Input Voltage 1.0 0.8 0.6 0.4 0.2 0.0 −0.2 −0.4 −0.6 −0.8 −1.0 2.5 3.0 3.5 4.0 4.5 5.0 INPUT VOLTAGE [V] Figure 4. LED Current Change vs. Input Voltage TYPICAL CHARACTERISTICS = 1 μ AMB 1.4 1.2 1.0 0.8 0.6 2.5 3.0 5.0 5.5 Figure 3. Quiescent Current vs. Input Voltage ...
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... TYPICAL CHARACTERISTICS (CAT4003B 3 LEDs OUT 30 25mA 0.8mA 100 150 200 250 LED PIN VOLTAGE [mV] Figure 6. Dropout Characteristics Figure 8. Power Up Waveform Figure 10. Line Transient Waveform = 1 μ 25°C unless otherwise specified.) IN AMB ...
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Pin Functions VIN is the supply pin for the charge pump. A small 1 mF ceramic bypass capacitor is required between the VIN pin and ground near the device. The operating input voltage range is from 2 5.5 ...
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Table 6. DIMMING LEVELS Full Scale Current in % Dimming Pulses [n] 100 EN/DIM T LED LED Current Shutdown Figure 13. EN/DIM Digital Dimming Timing ...
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D E PIN #1 INDEX AREA TOP VIEW SYMBOL MIN NOM A 0.45 0.50 A1 0.00 0.02 b 0.18 0.25 D 1.90 2.00 D2 1.50 1.60 E 1.90 2.00 E2 0.80 0.90 e 0.50 BSC L 0.20 0.30 Notes: (1) ...
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TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-203. PACKAGE DIMENSIONS SC−70, 6 Lead, 1.25x2 CASE 419AD−01 ISSUE O SYMBOL MIN ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...