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PDF ( 数据手册 , 数据表 ) SI-8008HFE

零件编号 SI-8008HFE
描述 DC-to-DC Step-Down Converter
制造商 Sanken
LOGO Sanken LOGO 


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SI-8008HFE 数据手册, 描述, 功能
SI-8008HFE
DC-to-DC Step-Down Converter
Features and Benefits
5.5 A output current supplied in a small, through-hole
mount power package
High efficiency: 83% at VIN= 15 V, IO= 3.0 A,VO= 5 V
Requires only seven external components (optional soft
start requires an additional capacitor)
Oscillation circuit built-in (frequency 150 kHz typical)
Constant-current mode overcurrent protection circuit and
overtemperature protection circuit built-in
Soft start function built-in (can be implemented as an
on/off function; output-off state at low level)
Low current consumption during output-off state
Package: TO220F-5
Description
The SI-8008HFE DC voltage regulator is a DC-to-DC buck
convertor that attains an oscillation frequency of 150 kHz,
and has an integrated miniaturized choke coil, allowing it to
serve as a small, high efficiency power supply in a compact
TO220F package.
The internal switching regulator function provides high
efficiency switching regulation without any need for adjustment.
The device requires only six external support components. The
optional soft start function requires an additional capacitor.
Optional on/off control can be performed using a transistor.
The SI-8008HFE includes overcurrent and overtemperature
protection circuits.
Applications include:
DVD recorder
FPD TV
Telecommunications equipment
Office automation equipment, such as printers
On-board local power supply
Output voltage regulator for second stage of SMPS
(switched mode power supply)
Not to scale
Functional Block Diagram
VIN 1 IN
C1 C4
PReg
Overcurrent
Protection
SW 2
L1
Di
FMB-G16L
(Sanken)
VOU
C2
5 SS
On/Off
Soft Start
C3
Reset
Osc
Comparator
Error
Amplifier
Latch and
Driver
Overtemperature
Protection
ADJ 4
R1
R2
GND
3
Reference
Voltage
27469.060-I







SI-8008HFE pdf, 数据表
SI-8008HFE
DC-to-DC Step-Down Converter
7
8
12.6
Tube
50 pieces per tube
PACKING SPECIFICATION
528
A
ANTISTATIC
A View A-A
0.7
1.2
1.5
1.8
3.9 5.5
5.0
14.4
View A-A Enlargement
50
155
Dimensions in mm
570
Inner Carton
12 tubes per carton
600 pieces per inner carton
H
L
W
Outer Carton
(See table)
Carton Type
L WH
Outer Carton A 580 180 140
Outer Carton B 580 335 140
Quantity
2 inner cartons, 1200 pieces per outer carton
4 inner cartons, 2400 pieces per outer carton
Sanken Electric Co., Ltd.
3-6-3 Kitano, Niiza-shi, Saitama-ken
352-8666, Japan
Phone:+81-48-472-1111
http://www.sanken-ele.co.jp
8














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