CAT3604AHV4-T2 ON Semiconductor, CAT3604AHV4-T2 Datasheet
CAT3604AHV4-T2
Specifications of CAT3604AHV4-T2
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CAT3604AHV4-T2 Summary of contents
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CAT3604 4-Channel Regulated Charge Pump White LED Driver Description The CAT3604 is a charge pump operating in either 1x (LDO) mode or 1.5x fractional mode regulating current through each of the 4 LED pins. Operation at a fixed high frequency ...
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C Battery IN − 1 μ 4.2 V Table 1. PIN DESCRIPTION Pin # Name 1 EN Enable input, active HIGH 2 CTR0 Digital control input 0 3 CTR1 Digital control input 1 4 ...
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Table 2. ABSOLUTE MAXIMUM RATINGS Parameter VIN, VOUT, LEDx voltage EN, CTRx voltage RSET voltage RSET current Ambient Temperature Range Storage Temperature Range Lead Temperature ESD Rating HBM (Human Body Model) ESD Rating MM (Machine Model) (Note 4) Stresses exceeding ...
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Block Diagram VIN + C Battery IN V − 1 μ 4 1.2 V Ref RSET Current Setting R SET 24 kW CTR0 LED Output CTR1 Select CTR2 1 μF 1 μF C1− C1+ ...
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Basic Operation At power-up, the CAT3604 starts operation in 1x mode able to drive the programmed LED current, it continues in 1x mode. If the battery voltage drops to a level where the LED current cannot be ...
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100 90 1x Mode per LED per LED 4.2 4.0 3.8 3.6 3.4 DISCHARGING BATTERY (V) Figure 3. Efficiency ...
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VIN = 3 all LEDs open 0 3.0 3.2 3.4 3.6 INPUT VOLTAGE (V) Figure 9. Ground Current vs. Input Voltage (1.5x ...
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VIN AC coupled 50mV/ div Input Current AC coupled 10mA/ div AC coupled VOUT 50mV/ div 500 nsec/div Figure 15. Switching Waveforms in 1.5x Mode EN 2V/div Input Current ...
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Recommended Layout When the driver is in the 1.5x charge pump mode, the 1 MHz switching frequency operation requires to minimize trace length and impedance ...
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D PIN#1 INDEX AREA TOP VIEW SYMBOL MIN NOM A 0.70 0.75 A1 0.00 0.02 A3 0.20 REF b 0.25 0.30 D 3.90 4.00 D2 2.00 −−− E 3.90 4.00 E2 2.00 −−− e 0.65 BSC L 0.45 −−− Notes: ...
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... All packages are RoHS−compliant (Lead−free, Halogen−free). 8. The standard lead finish is NiPdAu. 9. For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. 10. For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D ...