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HT7718S Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

Part # HT7718S
Description  100mA PFM Synchronous Step-up DC/DC Converter
PDF  29 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT7718S Datasheet(HTML) 2 Page - Holtek Semiconductor Inc

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Rev. 1.00
2
February 22, 2012
HT77xxS
Block Diagram
VO UT
GN D
Vr ef
PF M Co nt ro l
OS C
Bu ff er
LX
Ch ip E nabl e
CE
VO UT
Pin Assignment
GN D
SO T8 9
Fr on t Vi ew
Bo tt om V ie w
SO T2 3- 5
CE
VO UT
GN DV OU T
T op Vi ew
TO 92
VO UT
GN D
LX
VO UT
LX
LX
LX
GN D
NC
CE
VO UT NC
12
3
12
3
12
3
4
5
SO T2 3
VO UT
To p Vi ew
LX
GN D
3
2
1
LX
GN D
Pin Description
Pin No.
Pin Name
Description
TO92
SOT89
SOT23
SOT23-5
—
—
—
1
CE
Chip enable pin, high active
2
2
3
2
VOUT
DC/DC converter output monitoring pin
—
—
—
3
NC
No connection
1
1
1
4
GND
Ground pin
3
3
2
5
LX
Switching pin



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