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 STR-S6411 AND STR-S6411F
OFF-LINE SWITCHING REGULATORS - WITH POWER MOSFET OUTPUT
DRAIN 1
LATCH OSC.
Data Sheet 28101.1
SOURCE
2
GATE POWER GROUND SOFT START OVER-CURRENT PROTECTION
V IN
3
PWM +
4
+
These devices are specifically designed to meet the requirements for increased integration and reliability in off-line flyback (STR-S6411) and forward (STR-S6411F) converters operating in a fixed-frequency PWM mode. Each device incorporates the primary control and drive circuits with an avalanche-rated high-voltage power MOSFET. Crucial system parameters such as switching frequency and maximum duty cycle are fixed during manufacture. The STR-S6411 and STR-S6411F differ only in their maximum duty cycle. Control circuit decoupling and layout are optimized within each device. Cycle-by-cycle and average-current limiting, soft start, undervoltage lockout with hysteresis, and thermal shutdown protect the device during all normal and overload conditions. The performance and reliability of these devices, and their variable-frequency counterparts, has been proven in substantial volume production. The requirements of high dielectric isolation and low transient thermal impedance and steady-state thermal resistance are satisfied in an over-molded, 9-pin single in-line power package.
Dwg. PK-003
5
6
7
UVLO
REF.
SIGNAL GROUND FDBK
8
9
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VIN ............................ 35 V Drain-Source Voltage, VDS ............... 800 V Drain Current, ID continuous ..................................... 5 A single pulse, tw 1 ms .................. 20 A Avalanche Energy, EA single pulse ............................... 400 mJ Gate-Source Voltage, VGS ................ 20 V Gate-Drive Current Range, IG ................................. -0.7 A to +1.5 A Over-Current Protection Voltage Range, VOCP ............................. -0.3 V to +4.0 V Insulation RMS Voltage, VWM(RMS) ..................................... 2000 V Package Power Dissipation, PD ........................................ See Graph FET Channel Temperature, TJ ...... +150C Internal Frame Temperature, TF ... +125C Operating Temperature Range, TA ............................... -20C to +125C Storage Temperature Range, Tstg ............................. -30C to +125C
I D
C S
N O
F
I T
U N
FEATURES
D E
R P
N E
UY DL O
N O
T C
E C
s PWM Flyback Conversion or Forward Conversion s Output Power to 250 W s Pulse-by-Pulse Current Limiting s Fixed-Frequency 100 kHz PWM s Avalanche-Rated Power MOSFET Switch s Soft Start
R O
R
F E
R E
s Internal Under-Voltage Lockout and Thermal Shutdown s Low External Component Count s Over-Molded SIP with Isolated Heat Spreader
--
Always order by complete part number: STR-S6411 or STR-S6411F .
TM
STR-S6411 AND STR-S6411F OFF-LINE SWITCHING REGULATORS
FUNCTIONAL BLOCK DIAGRAM
V IN 7 FDBK 9 GATE 3
UVLO
REF.
1
DRAIN
Rton PWM + Rtoff OSC.
R LATCH S
Q
2
SOURCE
+ 0.2 V
6
OVER-CURRENT PROTECTION
5 SOFT START
8 SIGNAL GROUND
4 POWER GROUND
Dwg. FK-003
ALLOWABLE PACKAGE POWER DISSIPATION
62 W 60
ALLOWABLE PACKAGE POWER DISSIPATION in WATTS
MAXIMUM SAFE OPERATING AREA
100
MOUNTING SURFACE TEMPERATURE
30
40
RECOMMENDED MAX. FRAME TEMP. = +100C
DRAIN CURRENT in AMPERES
10
LIMITED BY r DS(on)
3.0
LIMITED BY FRAME TEMP. = +125C MAX. 20
1.0 NO HEAT SINK NATURAL COOLING TA = +25C 0.3
FREE AIR 3.2 W 0 20 60 100 TEMPERATURE in C 140
Dwg. GK-003
0.1 3.0 10 30 100 300 1000
Dwg. GK-004-1
DRAIN-TO-SOURCE VOLTAGE in VOLTS
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright (c) 1994 Allegro MicroSystems, Inc.
TM
LIMITED BY V DS max
t w= 1m t w= sS 10 ING ms LE SIN PU GL LS EP E UL SE
t w= 0.1 ms SIN GL EP UL SE
STR-S6411 AND STR-S6411F OFF-LINE SWITCHING REGULATORS
600
ALLOWABLE AVALANCHE ENERGY in mJ
500 SINGLE PULSE DRAIN CURRENT = 5 A SUPPLY VOLTAGE = 50 V
400
ALLOWABLE AVALANCHE ENERGY
300
200
100
0 0 60 100 20 40 80 120 STARTING CHANNEL TEMPERATURE in C 140 160
Dwg. GK-009-1
ELECTRICAL CHARACTERISTICS at TA = +25C, VIN = 17 V, voltage measurements are referenced to
Signal Ground (pin 8) (unless otherwise noted). Limits Characteristic On-State Voltage Under-Voltage Lockout FET Leakage Current FET ON Resistance Forward Transconductance FET Input Capacitance Propagation Delay Time Oscillator Frequency Maximum ON Time Over-Current Threshold OCP Current Feedback Current Soft Start Threshold Voltage Soft Start Current Power Ground Current Supply Current Insulation RMS Voltage Thermal Resistance Symbol V INT V INQ IDSS rDS(on) gfs Ciss tphl tplh fosc ton VOCP(th) IOCP IFDBK V SS(th) ISS IPG IIN(ON) IIN(OFF) VWM(RMS) RJM VSS = 0 V tw = 200 ns Operating Start up, VIN = 12 V All terminals simultaneous reference metal plate against backside FET channel to mounting surface - 2.0 - C/W NOTES: Negative current is defined as coming out of (sourcing) the specified device terminal. Typical Data is for design information only. STR-S6411 STR-S6411F Test Conditions Turn-on, increasing VIN Turn-off, decreasing VIN VDS = 800 V VGS = 10 V, ID = 3 A VGS = 10 V, ID = 3 A VDS=10 V, VGS =0 V, f=1 MHz Turn-on, 10% VGS to 10% VDS Turn-off, 90% VGS to 90% VDS Min. Typ. Max. 14.4 8.4 - - 3.0 - - - 93 5.1 3.8 160 -250 - - - - - - 2000 16 9.4 - 1.8 - 1800 60 140 100 5.7 4.5 200 -400 -1.8 - -100 -1.0 23 - - 17.6 10.4 1.2 2.2 - - - - 107 6.5 5.2 240 -550 - 0.4 - -1.5 - 500 - Units V V mA S pF ns ns kHz s s mV A mA V A A mA A V
STR-S6411 AND STR-S6411F OFF-LINE SWITCHING REGULATORS
TYPICAL CHARACTERISTICS
160
35
TA = +100C
140
OPERATING SUPPLY CURRENT in mA
30 TA = +25C
OSCILLATOR FREQUENCY in kHz
25 TA = -20C 20
120
100
15 VINT 10 VINQ 5
80
60
40 -20 0 20 40 60 80 100 120 140
Dwg. GK-005
0 0 5 10 15 20 25 30 35 40
Dwg. GK-006
AMBIENT TEMPERATURE in C
INPUT VOLTAGE in VOLTS
300
250
OVER-CURRENT THRESHOLD VOLTAGE in mV
200
150
100
50
0 -20 0 20 40 60 80 100 120 140
Dwg. GK-007
AMBIENT TEMPERATURE in C
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
TM
STR-S6411 AND STR-S6411F OFF-LINE SWITCHING REGULATORS
TYPICAL PWM FLYBACK CONVERSION USING STR-S6411
WARNING: lethal potentials are present. See text.
+ OUTPUT
NC 7 9 STR-S6411 3
+
1
FULL-BRIDGE RECTIFIER AC INPUT 220 V/240 V
VOLTAGE SENSE
+ +
- OUTPUT 2
+
6
5
8
4
Dwg. EK-003-2
TYPICAL PWM FORWARD CONVERSION USING STR-S6411F
WARNING: lethal potentials are present. See text.
+ OUTPUT
NC 7 9 STR-S6411F 3
+
1
VOLTAGE SENSE
FULL-BRIDGE RECTIFIER
AC INPUT 220 V/240 V
+ +
- OUTPUT 2
+
6
5
8
4
Dwg. EK-003-3
STR-S6411 AND STR-S6411F OFF-LINE SWITCHING REGULATORS
APPLICATIONS INFORMATION WARNING -- 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. The power MOSFET outputs of these devices are similar to the International Rectifier type IRFPE40. These devices feature an excellent combination of fast switching, ruggedized device design, low on-resistance, and cost effectiveness. Recommended mounting hardware torque: 4.34 - 5.79 lbf*ft (6 - 8 kg*cm or 0.588 - 0.784 Nm). Recommended metal-oxide-filled, alkyl-degenerated oil base, silicone grease: Dow Corning 340, or equivalent
Dimensions in Inches
(for reference only)
0.953 0.008 0.610
0.008
0.118
0.008
T M REF. 0.130 o
0.216
0.008
1.49 0.012
0.709 0.008
0.130
0.004
0.276
0.016
0.216 1 0.033
+0.008 -0.004
0.016
9 0.100
0.004
0.026 0.177
0.028 +0.008 -0.004
PACKAGE CENTER
LEAD CENTER
Dwg. MK-003-9 in
NOTE: Exact body and lead configuration at vendor's option within limits shown.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
TM
STR-S6411 AND STR-S6411F OFF-LINE SWITCHING REGULATORS
Dimensions in Millimeters
(controlling dimensions)
24.2 0.2 15.5 0.2 3.0 REF M 3.3 o
0.2
T
5.5
0.2
23.0 0.3
18.0 0.2
3.3
0.1
7.0
0.4
5.5 1 0.85
+0.2 -0.1
0.4
9 2.54
0.1
0.65
+0.2 -0.1
4.5
0.7
PACKAGE CENTER
LEAD CENTER
Dwg. MK-003-9 mm
NOTE: Exact body and lead configuration at vendor's 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-S6411 AND STR-S6411F OFF-LINE SWITCHING REGULATORS
POWER CONVERSION/POWER MANAGEMENT SELECTION GUIDES
SWITCHING REGULATOR PMCMs Part Number* 3002M 3004M S5703 S5707 S5708 F6624 F6626 F6628 F6652 F6653 F6654 F6656 F6672 F6674 F6676 S6703 S6704 S6707 S6708 S6709 8033S 8050S 8090S 8120S 8150S Application 5 V Switching Regulator and a 9 V Switching Regulator 5 V Switching Regulator and Dual 9 V Switching Regulator Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback converter Quasi-Resonant Flyback Converter Quasi-Resonant Flyback Converter 3.3 V Switching Regulator 5.0 V Switching Regulator 9.0 V Switching Regulator 12 V Switching Regulator 15 V Switching Regulator VI 7.0-33 V 7.0-33 V 110/120 V 85-265 V 220/240V 85-265 V 220/240 V 100/120 V 100/120 V 100/120 V 85-265 V 85-265 V 85-265 V 85-265 V 200/220 V 85-265 V 85-265 V 110/120V 110/120 V 85-265 V 220/240 V 85-265 V 220/240 V 85-265 V 220/240 V 5.5-28 V 7.0-40 V 12-40V 15-40 V 18-40 V Max PO - - 140 W 90 W 140 W 120 W 180 W 130 W 190 W 290 W 86 W 120 W 190 W 300 W 50 W 76 W 115 W 140 W 100 W 90 W 140 W 120 W 180 W 160 W 220 W - - - - - Power Switch 500 mA Bipolar 400 mA Bipolar 500 mA 2 x 400 mA 6A 6A 7.5 A 0.92 0.58 0.35 2.8 1.95 1.15 0.71 7.7 4.49 2.81 6A 5A 6A 7.5 A 10 A 3A 3A 3A 3A 3A Bipolar Bipolar Bipolar Bipolar Bipolar MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar
- - - - 500 V 850 V 850 V 450 V 450 V 450 V 650 V 650 V 650 V 650 V 900 V 900 V 900 V 500 V 500 V 850 V 850 V 850 V - - - - -
* 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.
POWER CONVERSION/POWER MANAGEMENT SELECTION GUIDES (CONTINUED)
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 TM


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