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Data Sheet
28113†
STR-S6707 THRU
STR-S6709
OFF-LINE SWITCHING REGULATORS
– WITH BIPOLAR SWITCHING TRANSISTOR
COLLECTOR
1
COMMON
2
BASE
3
SINK
4
The STR-S6707, STR-S6708, and STR-S6709 are specifically
designed to meet the requirement for increased integration and reliability in off-line quasi-resonant flyback converters. These devices incorporate the primary control and proportional drive circuit with a thirdgeneration high-voltage bipolar switching transistor.
T
C
FAULT
Crucial system parameters such as maximum ON time and OFF
time are fixed during manufacture. Local control circuit decoupling and
layout are optimized within each device.
S
DRIVE
FAULT
LATCH
OSC.
R
DRIVE
5
OVER-CURRENT
PROTECTION
6
FDBK
7
INHIBIT
8
V IN
9
U
Y
D
L
O
Cycle-by-cycle current limiting, under-voltage lock-out with hysteresis, over-voltage protection, and thermal shutdown protect these
devices during all normal and overload conditions. Over-voltage
protection and thermal shutdown are latched after a short delay. A
versatile triple-level inhibit circuit includes the OFF time synchronization
required to establish quasi-resonant operation. The inhibit function has
also been expanded to initiate operation in stand-by mode in which the
power supply delivers a small fraction of the steady-state output power.
The dual requirements of dielectric isolation and low transient thermal
impedance and steady-state thermal resistance are satisfied in an overmolded single-in-line power package.
+
REF.
+
UVLO
Dwg. PK-001
D
E
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VIN ........................... 15 V
Output Voltage, VCEX ....................... 850 V
VEBO ................................................ 7 V
Continuous Output Current,
IC .......................................... See Table
1 ms Single-Pulse Output Current,
ICM ........................................ See Table
Sink Current, IS ......................... See Table
Drive Current, ID .......................... -700 mA
Feedback Current, IFDBK ................. 20 mA
Inhibit Voltage, VINH ........................... 15 V
Over-Current Protection Voltage Range,
VOCP ............................................ ±3.5 V
Insulation Voltage,VWM(RMS) ........... 2000 V
Package Power Diss., PD ........ See Graph
Output Junction Temperature, TJ .. +150°C
Internal Frame Temperature, TF ... +125°C
Operating Temperature Range,
TA ............................... -20°C to +125°C
Storage Temperature Range,
Tstg ............................. -40°C to +125°C
I
D
C
S
—
F
R
O
E
C
N
O
N
E
Proven in substantial volumes, these devices and their fixedfrequency counterparts represent a significant advance in off-line SMPS
reliability growth and integration.
U
N
I
T
N
O
R
P
R
E
FEATURES
■ Quasi-Resonant Operation for Low EMI and High Efficiency
■ Output Power to 220 W
■ Low-Power Output Standby Mode
■ Pulse-by-Pulse Over-Current Protection
■ Latched Over-Voltage and Thermal Protection
■ Third-Generation Switching Transistor with Proportional Drive
■ Maximum ON Time and Off Time Set During Manufacture
■ Internal Under-Voltage Lockout with Hysteresis
■ Over-Molded SIP with Integral Isolated Heat Spreader
F
E
R
Always order by complete part number:
Max. Cont.
Peak
Part Number
Current, IC
Current, ICM
STR-S6707
STR-S6708
STR-S6709
™
6A
7.5 A
10 A
12 A
15 A
20 A
Max. Sink
Current, IS
1.5 A
1.5 A
2A
STR-S6707 THRU STR-S6709
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
STR-S6707 AND STR-S6708 FUNCTIONAL BLOCK DIAGRAM
V
INHIBIT
IN
8
9
R
UVLO
OVER-VOLT.
PROTECT
FAULT
LATCH
S
PROPORTIONAL
DRIVE
Q
1 kΩ
REF.
5
DRIVE
4
SINK
3
BASE
1
COLLECTOR
2
COMMON
6
OVER-CURRENT
PROTECTION
0.7 Ω
TSD
OSC.
Rton
+
0.75 V
+
FDBK
7
3300 pF
1.4 V
Rtoff
-1 V
+
+
5.1 V
Dwg. FK-001
ALLOWABLE PACKAGE POWER DISSIPATION
MAXIMUM SAFE OPERATING AREA
30
STR-S6709 (20 A)
54 W
MOUNTING SURFACE
TEMPERATURE
STR-S6708 (15 A)
STR-S6707 (12 A)
RECOMMENDED MAX.
FRAME TEMP. = +100°C
40
LIMITED BY FRAME
TEMP. = +125°C MAX.
20
COLLECTOR CURRENT in AMPERES
ALLOWABLE PACKAGE POWER DISSIPATION in WATTS
60
10
5.0
3.0
L = 6 mH
IB1 = 2.5 A (STR-S6707/08) or 3 A (STR-S6709)
IB2 = 0.8 A (STR-SA6707/08) or 1.2 A (STR-S6709)
ton = 100 µs
dc < 1%
1.0
FREE AIR
0.5
3.2 W
0.3
0
20
60
100
TEMPERATURE in ° C
140
0
200
400
600
800
1000
COLLECTOR-EMITTER VOLTAGE in VOLTS
Dwg. GK-003-2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1994 Allegro MicroSystems, Inc.
Dwg. GK-002
™
STR-S6707 THRU STR-S6709
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
STR-S6709
FUNCTIONAL BLOCK DIAGRAM
AS ABOVE
EXCEPT FOR SINK OUTPUT
4
SINK
20 Ω
ELECTRICAL CHARACTERISTICS at TA = +25°C, VIN = 8.5 V, voltage measurements are referenced to Common (pin 2) (unless otherwise noted).
Characteristic
On-State Voltage
Under-Voltage Lockout
Over-Voltage Threshold
Output Leakage Current
Output Saturation Voltage
Symbol
VINT
VINQ
VOVP(th)
ICEX
VCE(sat)
VBE(sat)
DC Current Gain
Maximum ON Time
Minimum OFF Time
Over-Current Threshold
Feedback Threshold Volt.
Inhibit Threshold Voltage
Latch Holding Current
Latch Reset Voltage
Supply Current
Insulation RMS Voltage
Thermal Shutdown
Thermal Resistance
hFE
ton
toff
VOCP(th)
VFDBK(th)
VINH(th)
IINH
VQ
IIN(ON)
IIN(OFF)
VWM(RMS)
TJ
RθJM
Test Conditions
Turn-on, increasing VIN
Turn-off, decreasing VIN
VCE = 850 V, VBE = -1.5 V
STR-S6707, IC = 2 A, IB = 400 mA
STR-S6708, IC = 3 A, IB = 600 mA
STR-S6709, IC = 4 A, IB = 800 mA
STR-S6707, IC = 2 A, IB = 400 mA
STR-S6708, IC = 3 A, IB = 600 mA
STR-S6709, IC = 4 A, IB = 800 mA
VCE = 4 V, IC = 1 A
Oscillation stops
Oscillation synchronized
Oscillation stops (fault latch set)
VIN reduced from 10.7 V to 4 V
IIN ≤ 100 µA, VIN reduced from 10.7 V
Operating
All terminals simultaneous reference
metal plate against backside
Output junction to mounting surface
Limits
Min. Typ. Max.
7.6
8.0
8.4
4.6
4.9
5.2
9.2
Ð
10.7
Ð
Ð
100
Ð
Ð
400
Ð
Ð
400
Ð
Ð
400
Ð
Ð
1.5
Ð
Ð
1.5
Ð
Ð
1.5
29
Ð
61
33
Ð
41
45
Ð
55
-0.9 -1.0 -1.1
Ð
650
Ð
0.65 0.75 0.85
Ð
1.4
2.0
3.2
5.1
5.6
Ð
Ð
500
2.5
3.1
Ð
15
Ð
29
Ð
Ð
200
2000
Ð
Ð
Units
V
V
V
µA
mV
mV
mV
V
V
V
Ð
µs
µs
V
mV
V
V
V
µA
V
mA
µA
V
125
Ð
°C
°C/W
NOTES: Negative current is defined as coming out of (sourcing) the specified device terminal.
Typical Data is for design information only.
150
2.0
Ð
Ð
STR-S6707 THRU STR-S6709
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
TYPICAL CHARACTERISTICS
100
50
DC CURRENT GAIN
30
VCE= 4 V
10
STR-S6709
STR-S6708
STR-S6707
5.0
3.0
1.0
0.01
0.03
0.1
1.0
0.3
3.0
COLLECTOR CURRENT in AMPERES
10
100
30
Dwg. GK-001
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
™
STR-S6707 THRU STR-S6709
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
TYPICAL QUASI-RESONANT FLYBACK CONVERTER
WARNING: lethal potentials are present. See text.
+ OUTPUT
+
8
FULL-BRIDGE
RECTIFIER
AC INPUT
100 V/120 V
+
9
R
+
+
S
5
Q
VOLTAGE
SENSE
4
+
3
Ð OUTPUT
+
1
+
2
7
+
6
+
★
Dwg. EK-004A
APPLICATIONS INFORMATION
WARNING Ñ These devices are designed to be operated at lethal voltages and energy levels. Circuit
designs that embody these components must conform with applicable safety requirements. Precautions must be taken to prevent accidental contact with power-line potentials. Do not connect
grounded test equipment.
The use of an isolation transformer is recommended during circuit development and breadboarding.
Recommended mounting hardware torque:
4.34 Ð 5.79 lbf¥ft (6 Ð 8 kg¥cm or 0.588 Ð 0.784 Nm).
Recommended metal-oxide-filled, alkyl-degenerated oil base, silicone grease:
Dow Corning 340, or equivalent
STR-S6707 THRU STR-S6709
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
Dimensions in Inches
(for reference only)
0.953 ±0.008
T M REF.
0.610
0.130 ¿
±0.008
0.216
±0.008
±0.008
0.709 ±0.008
1.49 ±0.012
0.118
0.130
±0.004
0.276
±0.016
0.216
1
0.016
0.033
9
0.100
0.026
±0.004
+0.008
Ð0.004
0.177
+0.008
Ð0.004
±0.028
PACKAGE
CENTER
LEAD
CENTER
Dwg. MK-003-9 in
NOTE: Exact body and lead configuration at vendorÕs option within limits shown.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
™
STR-S6707 THRU STR-S6709
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
Dimensions in Millimeters
(controlling dimensions)
24.2 ±0.2
T
REF
M
3.3 ¿
15.5 ±0.2
±0.2
5.5
±0.2
18.0 ±0.2
23.0 ±0.3
3.0
3.3
±0.1
7.0
±0.4
5.5
1
0.85
0.4
9
2.54
±0.1
+0.2
Ð0.1
0.65
+0.2
Ð0.1
4.5
±0.7
PACKAGE
CENTER
LEAD
CENTER
Dwg. MK-003-9 mm
NOTE: Exact body and lead configuration at vendorÕs option within limits shown.
The products described here are manufactured in Japan by Sanken Electric Co.,
Ltd. for sale by Allegro MicroSystems, Inc.
Sanken Electric Co., Ltd. and Allegro MicroSystems, Inc. reserve the right to
make, from time to time, such departures from the detail specifications as may be
required to permit improvements in the design of their products.
The information included herein is believed to be accurate and reliable.
However, Sanken Electric Co., Ltd. and Allegro MicroSystems, Inc. assume no
responsibility for its use; nor for any infringements of patents or other rights of third
parties which may result from its use.
STR-S6707 THRU STR-S6709
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
POWER CONVERSION/POWER MANAGEMENT
SELECTION GUIDES
SWITCHING REGULATOR PMCMs
Part
Number*
3002M
Application
5 V Switching Regulator and a
9 V Switching Regulator†
VI
7.0-33 V
Max PO
–
3004M
5 V Switching Regulator and
Dual 9 V Switching Regulator
7.0-33 V
–
–
–
500 mA
2 x 400 mA
Bipolar
Bipolar
S5703
Quasi-Resonant Flyback Converter
110/120 V
140 W
500 V
6A
Bipolar
S5707
Quasi-Resonant Flyback Converter
85-265 V
220/240V
90 W
140 W
850 V
6A
Bipolar
S5708
Quasi-Resonant Flyback Converter
85-265 V
220/240 V
120 W
180 W
850 V
7.5 A
Bipolar
S6703
Quasi-Resonant Flyback Converter
110/120V
140 W
500 V
6A
Bipolar
S6704
Quasi-Resonant Flyback Converter
110/120 V
100 W
500 V
5A
Bipolar
S6707
Quasi-Resonant Flyback converter
85-265 V
220/240 V
90 W
140 W
850 V
6A
Bipolar
S6708
Quasi-Resonant Flyback Converter
85-265 V
220/240 V
120 W
180 W
850 V
7.5 A
Bipolar
S6709
Quasi-Resonant Flyback Converter
85-265 V
220/240 V
160 W
220 W
850 V
10 A
Bipolar
8033S
3.3 V Switching Regulator
5.5-28 V
–
–
3A
Bipolar
8050S
5.0 V Switching Regulator
7.0-40 V
–
–
3A
Bipolar
8090S
9.0 V Switching Regulator
12-40V
–
–
3A
Bipolar
8120S
12 V Switching Regulator
15-40 V
–
–
3A
Bipolar
8150S
15 V Switching Regulator
18-40 V
–
–
3A
Bipolar
–
–
Power Switch
500 mA
Bipolar
400 mA
Bipolar
* Complete part number includes additional characters to indicate operating temperature range and/or package style.
† Also includes linear regulator output for 15.7 V at 1.0 A.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
™
Юридический адрес организации:
198099, г. Санкт-Петербург, ул. Калинина, дом 2, кор. 4, лит А.
Фактический адрес организации:
198099, г. Санкт-Петербург, ул. Калинина, дом 2, кор. 4, лит А.
ИНН 7802777764
КПП 780501001
Р/С 40702810422510004035 ФАКБ "АБСОЛЮТ БАНК" (ЗАО) в СанктПетербурге К/С 30101810900000000703
БИК 044030703
Телефон: 8 (812) 309-44-11 (многоканальный)
Факс:
8 (812) 309-44-11
Электронная почта: [email protected]
Сайт: timechips.ru
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