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PDF ( 数据手册 , 数据表 ) SI-3102S

零件编号 SI-3102S
描述 Dropper Type Dual Output Regulator
制造商 Sanken electric
LOGO Sanken electric LOGO 


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SI-3102S 数据手册, 描述, 功能
Dropper Type Dual Output Regulator SI-3102S
Features
q Single input dual output <sub output (5V/0.04A), main output (5V/0.1A)>
q Main output can be externally turned ON/OFF (with ignition switch, etc.)
<most suitable as memory backup power supply>
q Low standby current ( 0.8mA)
q Low dropout voltage 1V
q Built-in constant current type overcurrent, overvoltage and thermal protection circuits
q TO-220 equivalent 5-terminal full-mold miniature package
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
Absolute Maximum Ratings
Parameter
Symbol
Ratings
(Ta =25ºC)
Unit Conditions
0.95 ±0.15
0.85+–00..21
DC input voltage
Battery reverse connection
Output control terminal voltage
Output current
CH1
CH2
Power Dissipation
Junction temperature
VIN
VINB
VC
IO1
IO2
PD1
PD2
Tj
35
–13 *6
VIN
0.04 *1
0.1 *1
22
1.8
–40 to +150
V
V One minute
V
A
A
W With infinite heatsink
W Stand-alone without heatsink
ºC
P1.7±0.7• 4 = 6.8 ±0.7
12345
+0.2
0.45–0.1
3.9 ±0.7 (4.3)
8.2 ±0.7
1. VIN
2. VC (on/off)
3. GND
4. VO1
5. VO2
a: Type No.
b: Lot No.
(Forming No. 1101)
Operating temperature
Storage temperature
TOP
Tstg
–40 to +105
–40 to +150
ºC
ºC
Junction to case thermal resistance
Junction to ambient-air thermal
resistance
j-c
j-a
5.5
66.7
ºC/W
ºC/W Stand-alone without heatsink
Equivalent Circuit Diagram
VIN
1
OCP
VO1
4
Electrical Characteristics
Parameter
Symbol
Input voltage
Output voltage
CH1
CH2
Channel-channel voltage difference
(VO1—VO2)
Dropout voltage
CH1
CH2
VIN
VO1
VO2
VO
VDIF1
VDIF2
min
6 *2
4.80
4.80
–0.3
(Tj =25ºC, VIN =14V unless otherwise specified)
Ratings
typ
max
Unit
Conditions
30 *1
V
5.00
5.20
V IO =0.04A
5.00
5.20
V IO =0.1A
VIN =0 to 40V, IO1 and IO2 =0A
5.3 V
up to load short-circuiting
1.0 V IO1 0.04A
1.0 V IO2 0.1A
TSD
OVP
2
VC
CONT
ERR
DET
REF
OCP
ERR
DET
5
VO2
3
GND
Line regulation
CH1
CH2
VO LINE1
VO LINE2
10 50 mV VIN =6 to 30V, IO =0.04A
10 50 mV VIN =6 to 30V, IO =0.1A
Load regulation
CH1
CH2
VO LOAD1
VO LOAD2
30 70 mV IO1 =0 to 0.04A
40 70 mV IO2 =0 to 0.1A
Ripple rejection
CH1
CH2
RREJ1
RREJ2
54
54
dB f =100 to 120Hz
dB f =100 to 120Hz
Quiescent circuit current
Overcurrent protection
starting current
CH1
CH2
Iq
I (S1) 1
I (S1) 2
0.06 *3
0.15 *3
0.8 mA IO1 =0A, VC =0V
A
A
Output ON
VCH
4.2
4.5
4.8
Output control voltage
Output OFF VCL 3.2 3.5 3.8
V
V
Output ON
Output control current
Output OFF
I CH
I CL
–100
100 µA VC =4.8V
µA VC =3.2V
Standard Circuit Diagram
D3
VIN
D1
VC
+
CIN
D2
15
SI - 3102S
2 34
GND
VO2
VO1
+
CO1
+
CO2
Overvoltage protection starting
voltage
VOVP
30 *4
V
Thermal protection starting
temperature
TTSD
151*5
ºC
Notes:
*1. Since PD(max) = (VIN –VO) • IO1+ (VIN –VO2) • IO2 = 22 (W), VIN (max), IO1(max) and IO2 (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 VO1 or VO2 (VIN = 14V, IO1 = 0.04A or IO2 = 0.1A)
drops to –5%.
*4. Overvoltage protection circuit is built only in CH2 (VO2 side).
*5. The indicated temperatures are junction temperatures.
*6. All terminals, except VIN and GND, are open.
CO1 :
Output capacitor (47 to 100µF, 50V)
CO2 :
Output capacitor (47 to 100µF, 50V)
*1 CIN :
Anti-oscillation capacitors (approx. 47µF).
Tantalum capacitors are recommended, especially
at low temperatures.
*2 D1, D2, D3 : Protection diode.
Required as protection against reverse biasing
between input and output.
(Recommended diode: Sanken EU2Z.)
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