Sanken Electric Co STR7002 Datasheet
●STR7000+SI-8020 Series
STR7000+SI-8020 Series
Separate Excitation Switching Type
■Features
• High output current (6A:STR7000 series, 12A: STR7100 series)
• High efficiency (70 to 90%)
• Wide DC input voltage range
• Built-in drooping type overcurrent protection circuit
• Foldback type overcurrent protection can be set externally.
• Output voltage adjustment
• Built-in reference oscillator (35kHz)
• Output ON/OFF control
■Applications
• Electronic equipment
■Lineup
IO (A)
12
VO (V)
6
STR7001+SI-8020 STR7002+SI-8021 STR7002+SI-8022 STR7003+SI-8023
STR7101+SI-8020 STR7102+SI-8021 STR7102+SI-8022 STR7103+SI-8023
5121524
■Absolute Maximum Ratings
Power Section: STR7000/STR7100 (Ta=25°C)
Parameter
Power Transistor Breakdown Voltage
Drive T r ansistor Breakdown Voltage
Diode Breakdown Voltage
Collector Current
Power Dissipation
Power Transistor Thermal Resistance
Power Transistor Junction T emperature
Operating T emperature
Storage T emperature
Symbol
V4-1
V4-5
V1-2
IC
PD1
PD2
Rth(j-c)
Tj
TOP
TStg
■Control Section: SI-8020 Series (Ta=25°C)
Paraneter
DC Input Voltage
Power Dissipation
Operating T emperature
Storage T emperature
Symbol
VIN
PD
TOP
TStg
Ratings
STR7000 Series STR7100 Series
60
60
60
6(peak 7.5) 12(peak 15)
100(TC=25°C) 125(TC=25°C)
4.3(Without heatsink)
1.25 1.0
+150
–30 to +125(TC)
–30 to +125
Ratings
55
1
–20 to +85
–20 to +100
Unit
V
V
V
A
W
W
°C/W
°C
°C
°C
Unit
V
W
°C
°C
86
●STR7000+SI-8020 Series
■Electrical Characteristics: 6A Type
Parameter
DC Input Voltage Range
Output Voltage
Efficiency
Switching Frequency
Line Regulation
Load Regulation
Ripple Rejection
Overcurrent Protection Starting Current
Limited Current at Overcurrent
Protection Operation
Symbol
VIN
Conditions
Conditions
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
RREJ
Conditions
Conditions
VO
η
f
IS1
IS2
STR7001+SI-8020 STR7002+SI-8021 STR7002+SI-8022 STR7003+SI-8023
min. typ. max. min. typ. max. min. typ. max. min. typ. max.
11 40 18 50 21 50 30 50
5.0 5.1 5.2 11.8 12.0 12.2 14.8 15.0 15.2 23.7 24.0 24.3
VIN=20V, IO=3.0A VIN=27V, IO=3.0A VIN=30V, IO=3.0A VIN=40V, IO=3.0A
VIN=20V, IO=3.0A VIN=27V, IO=3.0A VIN=30V, IO=3.0A VIN=40V, IO=3.0A
VIN=20V, IO=3.0A VIN=27V, IO=3.0A VIN=30V, IO=3.0A VIN=40V, IO=3.0A
VIN=15 to 25V, IO=3.0A VIN=22 to 32V, IO=3.0A VIN=25 to 35V, IO=3.0A VIN=35 to 45V, IO=3.0A
VIN=20V, IO=1 to 5A VIN=27V, IO=1 to 5A VIN=30V, IO=1 to 5A VIN=40V, IO=1 to 5A
f=100 to 120H
6.0 7.5 6.0 7.5 6.0 7.5 6.0 7.5
6.0 7.5 6.0 7.5 6.0 7.5 6.0 7.5
■Electrical Characteristics: 12A Type
Parameter
DC Input Voltage Range
Output Voltage
Efficiency
Switching Frequency
Line Regulation
Load Regulation
Ripple Rejection
Overcurrent Protection Starting Current
Limited Current at Overcurrent
Protection Operation
Symbol
VIN
Conditions
Conditions
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
RREJ
Conditions
Conditions
VO
IS1
IS2
STR7101+SI-8020 STR7102+SI-8021 STR7102+SI-8022 STR7103+SI-8023
min. typ. max. min. typ. max. min. typ. max. min. typ. max.
11 40 18 50 21 50 30 50
5.0 5.1 5.2 11.8 12.0 12.2 14.8 15.0 15.2 23.7 24.0 24.3
VIN=20V, IO=6.0A VIN=27V, IO=6.0A VIN=30V, IO=6.0A VIN=40V, IO=6.0A
η
VIN=20V, IO=6.0A VIN=27V, IO=6.0A VIN=30V, IO=6.0A VIN=40V, IO=6.0A
f
VIN=20V, IO=6.0A VIN=27V, IO=6.0A VIN=30V, IO=6.0A VIN=40V, IO=6.0A
VIN=15 to 25V, IO=6.0A VIN=22 to 32V, IO=6.0A VIN=25 to 35V, IO=6.0A VIN=35 to 45V, IO=6.0A
VIN=20V, IO=3 to 9A VIN=27V, IO=3 to 9A VIN=30V, IO=3 to 9A VIN=40V, IO=3 to 9A
f=100 to 120H
12 15 12 15 12 15 12 15
12 15 12 15 12 15 12 15
Ratings
72 84 86 90
35 35 35 35
80 120 150 200
30 40 40 50
45 45 45 45
Z
f=100 to 120H
Z
f=100 to 120H
Z
f=100 to 120H
RS=0.02Ω RS=0.02Ω RS=0.02Ω RS=0.02Ω
Ratings
70 82 84 87
35 35 35 35
80 120 150 200
30 40 40 50
45 45 45 45
Z
f=100 to 120H
Z
f=100 to 120H
Z
f=100 to 120H
RS=0.01Ω RS=0.01Ω RS=0.01Ω RS=0.01Ω
Z
Z
(Ta=25°C)
Unit
V
V
%
kHZ
mV
mV
dB
A
A
(Ta=25°C)
Unit
V
V
%
kHZ
mV
mV
dB
A
A
87
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