Sanken Electric Co SI-3122P Datasheet

●SI-3000P Series

SI-3000P Series

3-Terminal, Dropper Type

■Features

• TO-3P package 3-terminal regulator

• Output current: 2.0A

• Wide range of DC input voltage

• Built-in foldback overcurrent protection circuit

■Applications

• For stabilization of the secondary stage of switching power supplies

• Electronic equipment

■Absolute Maximum Ratings

Parameter
DC Input Voltage
DC Output Current

Power Dissipation

Junction Temperature
Ambient Operating Temperature
Storage T emperature
Thermal Resistance (junction to case)

■Electrical Characteristics

Parameter

Input Voltage
Output Voltage

Dropout Voltage

Line Regulation

Load Regulation

Temperature Coefficient of Output Voltage
Ripple Rejection

Overcurrent Protection
Starting Current
Limited Current at Overcurrent
Protection Operation

Symbol

VIN

Conditions

VDIF

Conditions

∆VOLINE

Conditions

∆VOLOAD

Conditions

∆VO/∆Ta

RREJ
Conditions

Conditions

Conditions

VO

IS1

IS2

Symbol

VIN

IO
PD1
PD2

Tj

Top

Tstg

Rth(j-c)

SI-3052P SI-3122P SI-3152P SI-3242P

min. typ. max. min. typ. max. min. typ. max. min. typ. max.

8 3015 3518 4027 40

4.9 5.0 5.1 11.8 12.0 12.2 14.8 15.0 15.2 23.8 24.0 24.2
VIN=10V, IO=0.5A VIN=19V, IO=0.5A VIN=23V, IO=0.5A VIN=33V, IO=0.5A

210103010302550

V

IN

=8.5 to 11.5V, IO=0.5A VIN=16 to 22V, IO=0.5A VIN=19.5 to 26.5V, IO=0.5A VIN=28 to 38V, IO=0.5A

40 100 80 200 80 200 120 300

VIN=10V, IO=0 to 2.0A VIN=19V, IO=0 to 2.0A VIN=23V, IO=0 to 2.0A VIN=33V, IO=0 to 2.0A

±0.5 ±1.5 ±1.5 ±2.5

60 60 60 60

2.4 2.4 2.4 2.4

VIN=10V VIN=19V VIN=23V VIN=33V

VIN=10V VIN=19V VIN=23V VIN==33V

2.0(Without heatsink, stand-alone operation)

3333

0.6 0.6 0.6

Ratings

45

2.0

50(TC=25°C)

–30 to +125

–20 to +80

–30 to +125

2.0

Ratings

I

O

=2.0A

f=100 to 120H

Z

Unit

V

A
W
W

°C
°C
°C

°C/W

0.6

(Ta=25°C)

(Ta=25°C)

unit

V
V

V

mV

mV

mV/°C

dB

A

A

58

●SI-3000P Series

■Outline Drawing

2.04.03.5

±0.3

19.9

min.

20.0

±0.1

5.45

qwe

■Block Diagram

±0.3

15.6

±0.2

13.6

±0.2

9.6

Part Number
Lot Number

±0.1

5.45

±0.2

15.8

2.0

3.0

1.05

+0.2
–0.1

±0.3

+0.2
–0.1

14.9

+0.2
–0.1

4.8

max.

2.0

0.65

1.7

max.

±0.1

3.2

φ

+0.2
–0.1

+0.2
–0.3

(unit:mm)

Plastic Mold Package Type (TO-3P)
Flammability: UL94V-0
Weight: Approx. 6g

Terminal Connections

q Output
w Input (backside of case)
e Ground

Tr

2

1

M

r

2

r

1

Tr

Tr

1

d

3

d

1

d

2

r

3

2

Tr

3

Tr

Tr

5

r

4

r

5

Tr

d

5

d

6

d

7

8

r

6

1

R

R

2

r

10

4

Tr

12

Tr

6

Tr

7

Tr

9

r

7

1

r

8

Tr

11

1

C

r

9

1

R

3

R

4

3

59