bd9859efj ROHM Co. Ltd., bd9859efj Datasheet - Page 3

• Manufacturer Part Number: bd9859efj
• Description: Single-chip Type With Built-in Fet Switching Regulator Series
• Manufacturer: ROHM Co. Ltd.

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