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IC1501 RESET IC-DETAIL BLOCK DIAGRAM
IC1510 TU +5V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM
VIN VOUT
IC7401 PS +11.6V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM
4
5
VIN 1
IC ON H 2 3 VOUT 4 SENSE GND 5
5
OUT VCC + Vref GND 2 3 GND
4
IC 3 ON/OFF GND 2 ADJ 1
IC1506 DR +5V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM
2 VIN VOUT 4
IC1520 ANA +5V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM
5 VOUT 1 VIN
IC7402,IC7403 BOOSTER +5V SWITCHING REGULATOR, PS +5V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM
5 VOUT 1 VIN
IC
IC H :ON 3 NR 4 GND 2 3 H :ON
ON: H 1 ON/OFF REG.
SENSE
5
NR 4
GND 2
DRIVE
AMP
PROTECTION
VREF
GND 3
IC1508 SWITCHING IC IC-DETAIL BLOCK DIAGRAM
8 CS LEVEL SHIFT 7 EXT 6 GND RESET 5 0.8V + FB
IC1521 ANA +3.3V SWITCHING REGULATOR IC-DETAIL BLOCK DIAGRAM
8 VIN 7 NC 6 NC 5 CONT
CONTROL LOGIC
DRIVER CURRENT LIMITTER
BIAS THERMAL SHUTDOWN
CNT. COMP - +- + V5 UVLOcomp + VIN 1 VREF 2 V5/PWON 3 VREF/SS 4 CC
REFERENCE VOUT 1 NC 2 CN 3 4 GND
IC1501 Detail Block Diagram IC1506 Detail Block Diagram IC1508 Detail Block Diagram IC1510 Detail Block Diagram IC1520 Detail Block Diagram IC1521 Detail Block Diagram IC7401 Detail Block Diagram IC7402 Detail Block Diagram IC7403 Detail Block Diagram DMR-EH67EC/EP/EE,EH675EG IC-Detail Block Diagram