SI-3051N Sanken electric, SI-3051N Datasheet

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SI-3051N

Manufacturer Part Number
SI-3051N
Description
3-Terminal/ Full-Mold/ Low Dropout Voltage Dropper Type
Manufacturer
Sanken electric
Datasheet
1.SI-3051N.pdf (4 pages)
20
• Compact full-mold package (equivalent to TO220)
• Output current: 1.5A
• Low dropout voltage: V
• Built-in foldback overcurrent, overvoltage, thermal protection circuits
• For stabilization of the secondary stage of switching power supplies
• Electronic equipment
Features
Applications
Absolute Maximum Ratings
DC Input Voltage
DC Output Current
Power Dissipation
Junction Temperature
Ambient Operating Temperature
Storage Temperature
Thermal Resistance (junction to case)
Thermal Resistance (junction to ambient air)
SI-3001N Series
3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type
SI-3001N Series
Parameter
DIF
1V (at I
O
=1.5A)
Symbol
R
R
P
P
T
V
T
th(j-c)
th(j-a)
I
T
O
stg
D1
D2
op
IN
j
SI-3051N/3091N
35
1.5(Without heatsink, stand-alone operation)
66.7(Without heatsink, stand-alone operation)
18(With infinite heatsink)
SI-3121N/3151N
–40 to +125
–30 to +100
–40 to +125
Ratings
1.5
5.5
35
*2
SI-3241N
45
Unit
C/W
C/W
W
W
V
A
C
C
C
(T
a
=25 C)

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SI-3051N Summary of contents

Page 1

... Absolute Maximum Ratings Parameter Symbol DC Input Voltage DC Output Current Power Dissipation Junction Temperature Ambient Operating Temperature Storage Temperature Thermal Resistance (junction to case) R Thermal Resistance (junction to ambient air Ratings SI-3051N/3091N SI-3121N/3151N 1 18(With infinite heatsink 1.5(Without heatsink, stand-alone operation) ...

Page 2

... A foldback type overcurrent protection circuit is built into the IC regulator. Therefore, avoid using it for the following applications as it may cause starting errors: (1) Constant current load (2) Plus/minus power (3) Series power (4) V Outline Drawing 0.2 0.2 3 0.15 0.95 +0.2 0.85 –0.1 0.1 P3.4 2=6 Ratings SI-3051N SI-3091N SI-3121N typ. max. min. typ. max. min. typ. max. min 5.00 5.20 8.64 9.00 9.36 11.52 12.00 12.48 14.40 15.00 15.60 23.04 24.00 24.96 5.00 5.10 8 ...

Page 3

... Tantalum capacitors are recommended for Output C 0 tures Protection diode 1 This diode is required for protection against reverse bias- ing of the input and output. Sanken EU2Z is recommended. With Silicon Grease Heatsink:Aluminum 50 75 100 ( Approx and C , particularly at low tempera- 1 ...

Page 4

... Output Current I (A) O Thermal Protection Characteristics(SI-3051N = =10mA 100 140 180 Case Temperature Temperature Coefficient of Output Voltage(SI-3051N) 5.08 V =8V IN 5. =5V O 5.04 5.02 5.00 4.98 4.96 –40 – 100 120 140 Ambient Temperature Rise Characteristics(SI-3121N) ...

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