1-1-1 Linear Regulator IC
SI-3002N Series 3-Terminal, Full-Mold, Low Dropout Voltage Linear Regulator IC
■Features
■Absolute Maximum Ratings
• Compact full-mold package (equivalent to
TO220)
Parameter
(Ta=25°C)
Ratings
Symbol
SI-3052N
SI-3092N
SI-3122N/3152N
25
30
35
Unit
DC Input Voltage
DC Output Current
IO
2.0*1
A
PD1
• Output current: 2.0A
VIN
20(With infinite heatsink)
W
• Low dropout voltage: VDIF ≤ 1V (at IO=2.0A)
Power Dissipation
• Built-in foldback-overcurrent, input-overvoltage
and thermal protection circuits
PD2
Junction Temperature
V
1.5(Without heatsink, stand-alone operation)
W
°C
Top
–30 to +100
°C
Storage Temperature
Tstg
–40 to +125
°C
Thermal Resistance (junction to case)
θ j-c
5.0
°C/W
Thermal Resistance (junction to ambient air)
• For stabilization of the secondary stage of
switching power supplies
–40 to +125
Operating Ambient Temperature
■Applications
Tj
θ j-a
66.7(Without heatsink, stand-alone operation)
°C/W
• Electronic equipment
■Electrical Characteristics
(Ta=25°C unless otherwise specified)
Ratings
Parameter
Symbol
SI-3052N
min.
Output Voltage
Conditions
min.
5.10
8.82
SI-3122N
10*2
5.00
6*2
4.90
max.
15*1
VIN
VO
Input Voltage
SI-3092N
typ.
VIN=8V, IO=1.0A
typ.
max.
25*1
9.18
11.76
1.0
Quiescent Circuit Current
Overcurrent Protection Starting
Current*3.4
10
Conditions
40
Conditions
*1:
*2:
*3:
*4:
14.70
max.
15.00
15.30
27*1
0.5
1.0
1.0
18
48
24
VIN=10 to 20V, IO=1.0A
100
70
64
30
VIN=13 to 25V, IO=1.0A
IC
V
180
93
90
mV
VIN=16 to 25V, IO=1.0A
240
120
300
mV
VIN=12V, IO=0 to 2.0A
VIN=15V, IO=0 to 2.0A
VIN=18V, IO=0 to 2.0A
±0.5
±1.0
±1.5
±1.5
VIN=8V, IO=5mA, Tj=0 to 100°C
VIN=12V, IO=5mA, Tj=0 to 100°C
VIN=15V, IO=5mA, Tj=0 to 100°C
VIN=18V, IO=5mA, Tj=0 to 100°C
54
54
54
54
VIN=8V, f=100 to 120HZ
VIN=12V, f=100 to 120HZ
VIN=15V, f=100 to 120HZ
VIN=18V, f=100 to 120HZ
Conditions
Iq
3
Conditions
10
3
VIN=8V, IO=0A
2.1
2.1
VIN=8V
10
3
VIN=12V, IO=0A
2.1
VIN=12V
10
3
VIN=15V, IO=0A
VIN=18V, IO=0A
mV/°C
dB
10
mA
2.1
VIN=15V
VIN=18V
VIN(max) and IO(max) are restricted by the relation PD(max)=(VIN-VO)•IO=20(W).
Refer to the Dropout Voltage parameter. (Refer to Setting DC Input Voltage on page 7.)
IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN=VO+3V, IO=1.0A.
These products cannot be used in the following applications because the built-in foldback-type overcurrent protection may cause errors during start-up stage.
(1) Constant current load (2) Positive and negative power supply (3) Series-connected power supply (4) VO adjustment by raising ground voltage
54
V
V
VIN=18V, IO=1.0A
0.5
VIN=8V, IO=0 to 2.0A
∆VO/∆Ta
Conditions
30
VIN=6 to 15V, IO=1.0A
∆VOLOAD
IS1
16*2
12.24
typ.
IO≤2.0A
RREJ
Ripple Rejection
min.
IO≤1.5A
∆VOLINE
Conditions
27*1
12.00
1.0
Conditions
Temperature Coefficient of
Output Voltage
max.
0.5
Conditions
Dropout Voltage
Load Regulation
typ.
VIN=15V, IO=1.0A
0.5
Unit
SI-3152N
13*2
9.00
VIN=12V, IO=1.0A
VDIF
Line Regulation
min.
A
