SI-3001S 반도체 회로 부품 판매점
Dropper Type Regulator with Output On/Off Control
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 Sanken electric |
Dropper Type Regulator with Output On/Off Control SI-3001S
Features
q Output current of 1.0A
q 5-terminal type <output on/off control, variable output voltage (rise only)>
q Voltage accuracy of ±2%
q Low dropout voltage 1V at IO 1.0A, 0.5V at IO 0.4A
q Built-in overcurrent, overvoltage and thermal protection circuits
q Withstands external electromagnetic noises
q TO-220 equivalent full-mold package
Absolute Maximum Ratings
Parameter
Symbol
DC Input Voltage
Output Control Terminal Voltage
Output Current
Power Dissipation
Junction Temperature
VIN
VC
IO
PD1
PD2
Tj
Operating Temperature
Storage Temperature
TOP
Tstg
Junction to Case Thermal
Resistance
j-c
Junction to Ambient-Air Thermal
Resistance
j-a
Ratings
35
VIN
1.0 *1
18
1.5
– 40 to +125
– 40 to +100
– 40 to +125
5.5
66.7
Unit
V
V
A
W
W
ºC
ºC
ºC
ºC/W
(Ta = 25ºC)
Conditions
With infinite heatsink
Stand-alone without heatsink
ºC/W Stand-alone without heatsink
Electrical Characteristics
Parameter
Symbol
Input Voltage
Output Voltage
VIN
VO
Dropout Voltage
VDIF
Line Regulation
Load Regulation
∆VO LINE
∆VO LOAD
Output Voltage Temperature
Coefficient
∆VO /∆T
Ripple Rejection
RREJ
Quiescent Circuit Current
Iq
Overcurrent Protection Starting
Current
I S1
Output ON
Control Voltage
Output OFF
VC, IH
VC, IL
Output ON
Control Current
Output OFF
IC, IH
I C, IL
min
6 *2
4.90
1.2 *3
2.0 *4
( Ta = 25ºC, VIN=14V unless otherwise specified)
Ratings
typ
max
Unit
Conditions
30 *1
V
5.00
5.10
V VIN =12 to 16V, IO = 0.4A
0.5 V IO 0.4A
1.0 V IO 1.0A
30 mV IO=0.4A, VIN = 6 to 16V
100 mV IO = 0 to 0.4A
± 0.5
mV/ºC IO=5mA, Ta = –10 to +100ºC
54 dB f =100 to 120Hz
3 10 mA IO = 0A
A
0.8
20
– 0.3
V
V
µA VC = 2.7V
mA VC = 0.4V
Notes:
*1. Since PD(max) = ( VIN – VO) • IO = 18( W ), VIN(max) and IO(max) may be limited depending on operating
conditions. Refer to the Ta -PD curve to compute the corresponding values.
*2. Refer to the dropout voltage.
*3. IS1 rating shall be the point at which the output voltage VO (VIN = 14V, Io = 0.4A) drops to – 5%.
*4. The output control terminal Vc is pulled up inside the IC. Each input level can be directly driven with
LS-TTL ICs. Thus, LS-TTL direct driving is also possible.
External Dimensions (unit: mm)
3.2 ± 0.2
10.0±0.2
4.2±0.2
2.8±0.2
a
b 2.6±0.1
0.95±0.15
+0.2
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
12345
1. GND
2. VC (on/off)
3. Vo
4. Vosense
5. VIN
a: Type No.
b: Lot No.
(Forming No. 1101)
Equivalent Circuit Diagram
5
VIN
a
Tr1
R1
MIC
3
VO
4
VO sense
R3
2
Vc
(on/off)
d
b
c
ef
R2
R4
g
1
a : Pre-regulator
b : Output ON/OFF control
GND
c : Thermal protection
d : Over-input and overcurrent protection
e : Drive circuit
f : Error amplifier
g : Reference voltage
Standard Circuit Diagram
D1
DC input +
VIN C1
5
OPEN
2
C2
SI-3001S
1
3
4
+
CO
DC output
VO
Co : Output capacitor (47 to 100µF, 50V)
C1, C2 : Anti-oscillation capacitors (C1: approx. 47µF, C2: approx.
0.33µF). These are required for inductive input lines or
long wiring. Tantalum capacitors are recommended for C1
and Co, especially at low temperatures.
D1 : Protection diode. Required as protection against reverse
biasing between input and output.
(Recommended diode: Sanken EU2Z.)
6
s Io vs VDIF Characteristicsc
0.5
0.4
0.3
0.2
0.1
0
0 0.5
Output current IO (A)
1.0
s Line Regulation
5.1
5.0
IO =
0 (A)
0.4 (A)
1.0 (A)
4.9
0
0 5 10 15 20 25 30
Input voltage VIN (V)
s Output Voltage Temperature Characteristics
5.1
16 ( V )
12 ( V )
VIN =
30 ( V )
5.0
4.9
14 ( V )
5.5 ( V )
VIN — IOUT condition
5.5 (V) /1.0 (A)
12 (V) /0.4 (A)
14 (V) /0.4 (A)
16 (V) /0.4 (A)
30 (V) / 0 (A)
0
--50 0
50 100 150
Ambient temperature Ta (ºC)
s Rise Characteristics
7
6
5 Load resistance
4
3
12 (Ω)
2
5 (Ω)
1
0
0 2 46 8
Input voltage VIN (V)
10
s ON/OFF Control Characteristics
6
Io= 0 (A)
VIN =14 (V)
5
4
3
2
1
ON OFF
0
0 1234
Output ON/OFF control voltage VC (V)
5
s Overcurrent Protection Characteristics
6
5
10 (V)
4 30 (V)
3
5.5 (V)
2 20 (V)
14 (V)
1
0
0 0.5 1.0 1.5 2.0 2.5 3.0
Output current IO (A)
s Overvoltage Protection Characteristics
6
5
4
3
2
1
0
10 20 30 40 50
Input voltage VIN (V)
s Ta —PD Characteristics
20
With infinite heatsink
Use G746 silicone grease
(Shin-Etsu Chemical) and
aluminum heatsink.
15
200•200•2mm (2.3ºC/W)
10 100•100•2mm (5.2ºC/W)
75•75•2mm (7.6ºC/W)
5
Without heatsink
0
--30 –20 0 20 40 60 80 100
Operating temperature Ta (ºC)
s Load Regulation
5.1
VIN =
30 ( V)
12 to 16 ( V)
5.5 ( V)
5.0
4.9
0
0
0.5
Output current IO (A)
1.0
s Circuit Current
15
10
Io= 0 (A)
5
0
0 2 4 6 8 10
Input voltage VIN (V)
s Thermal Protection Characteristics
6
Io = 0 (A)
VIN =6 (V)
5
4
3
2
1
0
0 125 130 135 140 145 150 155
Ambient temperature Ta (ºC)
Note on Thermal Protection Characteristics:
The thermal protection circuit is intended for protection
against heat during instantaneous short-circuiting. Its
operation, including reliability, is not guaranteed for
short-circuiting over an extended period of time.
7
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SI-3001S regulator
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