1-1-1 Linear Regulator ICs
SI-3000KF Series
Low Current Consumption, Low Dropout Voltage Linear Regulator ICs
■Features
• Compact full-mold package (equivalent to
TO220)
• Output current: 1.0A
• Low dropout voltage: V
DIF
≤
0.5V (at I
O
= 1.0A)
• High ripple rejection: 75dB
• Low circuit current at output OFF: Iq (OFF)
≤
1
µ
A
• Built-in overcurrent and thermal protection
circuits
■Absolute
Maximum Ratings
Parameter
DC Input Voltage
Output Control Terminal Voltage
DC Output Current
Power Dissipation
Junction Temperature
Storage Temperature
Operating Ambient Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
Symbol
V
IN
Vc
Io
P
D1
P
D2
Tj
Tstg
Top
Ratings
SI-3010KF
35
*1
V
IN
1.0
16.6
1.72
–40 to +125
–40 to +125
–40 to +100
6.0
58
Unit
V
V
A
W
W
°C
°C
°C
°C/W
°C/W
Remarks
(T
a
=25°C)
With infinite heatsink
Without heatsink, stand-alone operation
θ
j-c
θ
j-a
Without heatsink, stand-alone operation
■Applications
• Secondary stabilized power supply (local
power supply)
*1: A built-in input-overvoltage-protection circuit shuts down the output voltage at the Input Overvoltage Shutdown Voltage
of the electrical characteristics.
■Recommended
Operating Conditions
Ratings
Parameter
Input Voltage Range
Output Current Range
Output Voltage Variable Range
Operating Ambient Temperature
Operating Junction Temperature
Symbol
V
IN
I
O
V
O
ADJ
T
op
T
j
SI-3010KF
2.4
*2
to
27
*1
0 to 1.0
*1
1.1 to 16
–30 to +85
–20 to +100
Unit
V
A
V
°C
°C
*1: V
IN
(max) and I
O
(max) are restricted by the relationship P
D
(max) = (V
IN
- V
O
)
×
I
O
= 16.6W.
*2: Refer to the Dropout Voltage parameter.
■Electrical
Characteristics
Ratings
Parameter
Symbol
min.
V
ADJ
Reference Voltage
Conditions
∆V
OLINE
Line Regulation
Conditions
∆V
OLOAD
Load Regulation
Conditions
V
DIF
Dropout Voltage
Conditions
Conditions
Quiescent Circuit Current
Circuit Current at Output OFF
Temperature Coefficient of
Output Voltage
I
q
Conditions
I
q
(OFF)
Conditions
∆V
O
/∆T
a
Conditions
R
REJ
Ripple Rejection
Overcurrent Protection Starting
Current
*3
Control Voltage (Output ON)
*4
Control Voltage (Output OFF)
Control Current (Output ON)
Control Current (Output OFF)
Input Overvoltage Shutdown
Voltage
Conditions
I
S1
Conditions
V
C
, IH
Conditions
V
C
, IL
Conditions
I
C
, IH
Conditions
I
C
, IL
Conditions
V
OVP
Conditions
33
I
O
=0.01A
–5
V
IN
=7V, V
C
=2V
0
V
IN
=7V, V
C
=0V
V
IN
=7V
40
2
V
IN
=7V
0.8
1.1
V
IN
=7V, V
C
=2V
V
IN
=7V, V
C
=0V
±0.5
V
IN
=7V, I
O
=0.01A, V
C
=2V,
Tj=0 to 100°C, V
O
=2.5V
75
V
IN
=7V, I
O
=0.1A, V
C
=2V,
f=100 to 120Hz, V
O
=5V
dB
mV/
°C
V
IN
=7V, I
O
=0A, V
C
=2V
1
I
O
=0.5A, V
C
=2V, V
O
=5V
0.5
I
O
=1.0A, V
C
=2V, V
O
=5V
600
V
IN
=7V, I
O
=0 to 1A, V
C
=2V,
V
O
=5A
0.3
V
V
IN
=6 to 15V, I
O
=0.01A,
V
C
=2V, V
O
=5A
75
mV
0.98
SI-3010KF
typ.
1.00
V
IN
=7V, I
O
=0.01A,
V
C
=2V, V
O
=5A
30
mV
max.
1.02
V
Unit
µ
A
µ
A
A
V
V
V
C
Terminal
µ
A
µ
A
V
*3: I
S1
is specified at the 5% drop point of output voltage V
O
on the condition that V
IN
= overcurrent protection starting current, I
O
= 10 mA.
*4: Output is OFF when the output control terminal V
C
is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs.
*5: SI-3000KFE 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) V
O
adjustment by raising ground voltage
28
ICs
SI-3000KF Series
■Block
Diagram
SI-3010KF
■T
a
-P
D
Characteristics
20
With Infinite Heatsink
Silicone Grease:
G746 (Shin-Etsu Chemical)
Heatsink: Aluminum
Power Dissipation
P
D
(W)
V
IN
2
4 V
OUT
15
200×200×2mm (2.3°C/W)
10 100×100×2mm (5.2°C/W)
75×75×2mm (7.6°C/W)
V
C
1
TSD
–
+
5 ADJ
3 GND
5
Without Heatsink
0
–30
–20
0
20
40
60
80
Ambient Temperature
T
a
(°C)
100
REF
■Typical
Connection Diagram
●SI-3010KF
D1
*1
V
IN
2
+
V
O
4
R1
+
C
IN
V
C
GND ADJ
1
5
3
*2
C
O
Load
R2
R3
C
IN
: Input capacitor (22
µ
F or larger)
C
O
: Output capacitor (47
µ
F or larger)
If a low ESR capacitor (such as a ceramic capacitor) is used
for the output capacitor, oscillation may occur.
*1. D1: Reverse bias protection diode
This diode is required for protection against reverse
biasing between the input and output.
(Sanken RU2Z is recommended.)
R1, R2: Output voltage setting resistors
The output voltage can be adjusted by connecting R1 and R2 as shown
above.
The recommended value for R2 is 10kΩ.
R1=(V
O
–V
ADJ
)
÷
(V
ADJ
/R2)
*2: Insert R3 in case of setting V
O
to V
O
≤
1.5V.
The recommended value for R3 is 10kΩ.
■External
Dimensions (TO220F-5)
(Unit : mm)
0.5
10.0
±0.2
4.2
2.8
±0.2
4.0
±0.2
7.9
±0.2
±0.2
16.9
±0.3
φ
3.2
±0.2
2.6
±0.1
(2.0)
0.95
±0.15
+0.2
Pin Assignment
q
Vc
w
V
IN
e
GND
r
Vout
t
ADJ
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 2.3 g
0.85
–0.1
P1.7
±0.7
×4=6.8
±0.7
+0.2
0.45
–0.1
3.9
±0.7
(4.3)
8.2
±0.7
1 2 3 4 5
4.6
±0.6
(4.6)
(17.9)
ICs
29
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
