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CAT3604 Fiches technique(PDF) 2 Page - ON Semiconductor |
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CAT3604 Fiches technique(HTML) 2 Page - ON Semiconductor |
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2 / 11 page ![]() CAT3604 http://onsemi.com 2 Figure 1. Typical Application Circuit GND Battery 20 mA LED2 LED3 LED1 LED4 RSET CAT3604 VIN VOUT C1− C1+ C2− C2+ 1 μF EN EN CTR0 Control 0 Control 1 Control 2 CTR1 CTR2 COUT VOUT 1 μF 1 μF RSET 24 kW 1 μF CIN VIN + − 3 V to 4.2 V Table 1. PIN DESCRIPTION Pin # Name Function 1 EN Enable input, active HIGH 2 CTR0 Digital control input 0 3 CTR1 Digital control input 1 4 CTR2 Digital control input 2 5 RSET The LED output current is set by the current sourced out of the RSET pin 6 VOUT Charge pump output connected to the LED anodes 7 VIN Supply voltage 8 C1+ Bucket capacitor 1 terminal 9 C1 Bucket capacitor 1 terminal 10 C2 Bucket capacitor 2 terminal 11 C2+ Bucket capacitor 2 terminal 12 GND Ground reference 13 LED4 LED 4 cathode terminal 14 LED3 LED 3 cathode terminal 15 LED2 LED 2 cathode terminal 16 LED1 LED 1 cathode terminal Pad GND Pad Ground reference |
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