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LB1976 Datasheet(PDF) 6 Page - Sanyo Semicon Device |
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LB1976 Datasheet(HTML) 6 Page - Sanyo Semicon Device |
6 / 12 page No. 6088-6/12 LB1976 Pin Functions Pin No. Pin name Pin voltage Pin function Equivalent circuit Power supply for blocks other than the output block 1 A11966 2 VCC 4.5 V to 6.7 V Shunt regulator output pin (7 V) 2 VREG 0.0 V to 7.3 V A11967 3 VCC 20 k Ω 3.8 k Ω Start/stop control pin Low: start High or Open: stop Typical threshold voltage for VCC = 5 V: approx. 2.8 V (low to high) approx. 2.3 V (high to low) 3 S/S 0.0 V to VCC A11968 4 VCC 20 k Ω 3.8 k Ω Forward/reverse pin Low: forward High or Open: reverse Typical threshold voltage for VCC = 5 V: approx. 2.8 V (low to high) approx. 2.3 V (high to low) 4 F/R 0.0 V to VCC A11969 8 7 6 14 13 VCC 200 Ω 0.5 V VM Output pin 1 Output pin 2 Output pin 3 Output current detect pin. Connect resistor RF between this pin and ground. Output current is limited to value set with VRF/Rf. (Current limiter operation) 6 7 8 13 OUT1 OUT2 OUT3 RF 0.0 V to VCC Output block power supply 14 VM Output block ground 11 GND3 Continued on next page. |
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