BD6512FJ 데이터 시트보기 (PDF) - ROHM Semiconductor
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BD6512FJ Datasheet PDF : 21 Pages
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BD6512F,BD6513F,BD6516F,BD6517F,BD2042AFJ,BD2052AFJ
Technical Note
●Block diagram
◎BD2042AFJ/BD2052AFJ
/EN1
EN1
Gate
Logic1
OCD1
TSD1
Delay
Charge
Pump1
IN
/EN2
EN2
GND
UVLO
OCD2
Gate
Logic2
Charge
Pump2
Delay
TSD2
/OC1
OUT1
OUT2
/OC2
GND 1
IN 2
/EN1 3
(EN1)
/EN2 4
(EN2)
Top View
8 /OC1
7 OUT1
6 OUT2
5 /OC2
Fig.85 Block diagram
●Pin description
◎BD2042AFJ/BD2052AFJ
Pin No.
Symbol I / O
Fig.86 Pin Configuration
Pin function
1
GND
I Ground.
Power supply input.
2
IN
I Input terminal to the switch and power supply input terminal of the
internal circuit.
Enable input.
3, 4
/EN, EN
I
Switch on at Low level. (BD2042AFJ)
Switch on at High level. (BD2052AFJ)
High level input > 2.0V, Low level input < 0.8V.
Error flag output.
5, 8
/OC
O Low at over current, thermal shutdown.
Open drain output.
6, 7
OUT
O Switch output.
●I/O circuit
◎BD2042AFJ/BD2052AFJ
Symbol
Pin No
/EN1(EN1)
/EN2(EN2)
3, 4
Equivalent circuit
/EN1(EN1)
/EN2(EN2)
/OC1
/OC2
5, 8
/OC1
/OC2
OUT1
OUT2
6, 7
OUT1
OUT2
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15/20
2011.05 - Rev.B
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