rt9262 ETC-unknow, rt9262 Datasheet - Page 6

• Manufacturer Part Number: rt9262
• Description: High Efficiency, Supply Current, Step-up Dc/dc Converter
• Manufacturer: ETC-unknow

RT9262/A
Function Block Diagram
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6
LDOO
VDD
LBO
VDD
LFB
LBI
FB
CE
CE
FB
Q2
NMOS
Q2
PMOS
VDD
VDD
VDD
Q3
NMOS
Q3
NMOS
R2
R2
1.25V
1.25V
Over Temp.
Over Temp.
Detector
Detector
_
+
_
_
_
0.86V
0.86V
Loop Control Circuit
Loop Control Circuit
RT9262A
Preliminary
RT9262
Shut Down
Shut Down
Q1
NMOS
Q1
NMOS
R1
R1
EXT
LX
GND
EXT
LX
GND
DS9262/A-04 August 2002