SI-3241NA Sanken Electric Co., Ltd., SI-3241NA Datasheet

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SI-3241NA

Manufacturer Part Number
SI-3241NA
Description
Linear Regulator IC
Manufacturer
Sanken Electric Co., Ltd.
Datasheet
SI-3001N Series
SI-3001N Series
3-Terminal, Full-Mold, Low Dropout Voltage Dropper Type
Features
• Compact full-mold package (equivalent to TO220)
• Output current: 1.5A
• Low dropout voltage: V
1V (at I
=1.5A)
DIF
O
• Built-in foldback overcurrent, overvoltage, thermal protection circuits
Applications
• For stabilization of the secondary stage of switching power supplies
• Electronic equipment
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)
R
20
Ratings
SI-3051N/3091N
SI-3121N/3151N
V
35
35
IN
*2
I
1.5
O
P
18(With infinite heatsink)
D1
P
1.5(Without heatsink, stand-alone operation)
D2
T
–40 to +125
j
T
–30 to +100
op
T
–40 to +125
stg
5.5
th(j-c)
66.7(Without heatsink, stand-alone operation)
th(j-a)
(T
=25 C)
a
Unit
SI-3241N
45
V
A
W
W
C
C
C
C/W
C/W

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SI-3241NA Summary of contents

Page 1

... For stabilization of the secondary stage of switching power supplies • Electronic equipment 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 1.5 ...

Page 2

... specified at –5(%) drop point of output voltage V S *5: 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 ...

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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