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8001FFE View Datasheet(PDF) - Sanken Electric co.,ltd.

Part Name
Description
View to exact match
8001FFE
SANKEN
Sanken Electric co.,ltd. SANKEN
8001FFE Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
SI-8001FFE
DC-to-DC Step-Down Converter
Features and Benefits
3.5 A output current supplied in a small, through-hole
mount power package
High efficiency: 83% at VIN = 15 V, IO = 2.0 A,VO = 5 V
Requires only six external components (optional soft
start requires an additional capacitor)
Oscillation circuit built-in (frequency 300 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-8001FFE DC voltage regulator is a DC-to-DC buck
convertor that attains an oscillation frequency of 300 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-8001FFE 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
PReg
Overcurrent
Protection
SW 2
L1
Di
RK-46
(Sanken)
VOUT
C2
Reset
Latch and
Driver
R1
5 SS
On/Off
Soft Start
C3
Osc
Comparator
Overtemperature ADJ 4
Protection
Error
Amplifier
R2
GND
3
Reference
Voltage
27469.057-I
 

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