BD9859EFJ Datasheet, PDF (3/16 Pages) Rohm – Simple Step-down Switching Regulators with Built-in Power MOSFET

BD9859EFJ
●Block Diagram
ON/OFF
EN
TSD UVLO
Reference
REG
VREF
shutdown
FB
ERROR
- ^AMP
1.0V
+
+
ICOMP
Σ
R　　Q
S　　　
Soft
Start
VC
OSC
750kHz
Technical Note
VCC
BST
100mΩ
Lx
5Ω
GND
VOUT
Fig.2 Block Diagram
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3/15
2010.02 - Rev.A