データシートサーチシステム |
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LM3647IM データシート(PDF) 3 Page - National Semiconductor (TI) |
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LM3647IM データシート(HTML) 3 Page - National Semiconductor (TI) |
3 / 17 page 3 www.national.com 2. Connection Diagram 2.1 Pin Descriptions 2.2 Ordering Information Pin No. Name I/O Description 1 SEL3 I Input to select charge mode: high = pulse, low = constant 2 SEL4 I Input to select maintenance time out, connected to an RC-network 3 RCIN RC-timing pin 4 GND Ground 5 Vcc 5V, power supply 6 RESET I Reset pin, active low 7 LED1 O LED output 8 LED2 O LED output 9 LED3 O LED output 10 VREF I Voltage reference analog input 11 CEXT External Capacitor 12 CEL I Battery voltage input (through resistor divider) 13 CS I Current sense input 14 TEMP I NTC-temperature sensor input 15 DISCHG O High when discharging, else low 16 SYSOK O System Monitor Output 17 BUZZER O Buzzer output 18 PWM O PWM-output filtered to a DC-level (controls the current) 19 SEL1 I Tri-level input, used to select charge type 20 SEL2 I Tri-level input, used to select NiCd, NiMH, Li-Ion Device Package Temperature LM3647IM 20 SOIC -40˚C to +85˚C RESET TEMP CS CEL CEXT BUZZER DISCHG SEL2 SEL1 PWM 20-PIN SOIC SEL3 SEL4 RCIN GND VCC LED1 LED2 LED3 Top View 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VREF SYSOK Order Number LM3647IM NS Package Number M20B |
同様の部品番号 - LM3647IM |
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同様の説明 - LM3647IM |
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