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PDF STR-S6401 Data sheet ( Hoja de datos )
| Número de pieza | STR-S6401 | |
| Descripción | OFF-LINE SWITCHING REGULATORS WITH POWER MOSFET OUTPUT | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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STR-S6401 AND
STR-S6401F
OFF-LINE SWITCHING REGULATORS
– WITH POWER MOSFET OUTPUT
These devices are specifically designed to meet the requirements
for increased integration and reliability in off-line flyback (STR-S6401)
DRAIN 1
and forward (STR-S6401F) converters operating in a fixed-frequency
SOURCE 2
GATE 3
TPOWER
GROUND 4
CSOFT
START 5
UOVER-CURRENT
PROTECTION
6
D YVIN 7
O LSIGNAL
GROUND
8
R NFDBK 9
LATCH
OSC.
PWM
UVLO
REF.
P ODwg.PK-003
D CEABSOLUTE MAXIMUM RATINGS
E NSupply Voltage, VIN ............................ 35 V
UDrain-Source Voltage, VDS ............... 500 V
EDrain Current, ID
IN Rcontinuous ................................... ±10 A
single pulse, tw ≤1 ms .................. ±40 A
T EAvalanche Energy, EA
Fsingle pulse ............................... 500 mJ
N EGate-Source Voltage, VGS ................ ±20 V
Gate-Drive Current Range,
O RIG ................................. -0.7 A to +1.5 A
Over-Current Protection Voltage Range,
C RVOCP ............................. -0.3 V to +4.0 V
SInsulation RMS Voltage,
I OVWM(RMS) ..................................... 2000 V
D FPackage Power Dissipation,
PD ........................................ See Graph
—FET Channel Temperature, TJ ...... +150°C
PWM mode. Each device incorporates the primary control and drive
circuits with an avalanche-rated power MOSFET. Crucial system
parameters such as switching frequency and maximum duty cycle are
fixed during manufacture. The STR-S6401 and STR-S6401F 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, under-
voltage 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. Similar off-line
switching regulators, with output ratings to 800 V at 5 A, are also
available.
FEATURES
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
s Internal Under-Voltage Lockout and Thermal Shutdown
s Low External Component Count
s Over-Molded SIP with Isolated Heat Spreader
Internal Frame Temperature, TF ... +125°C
Operating Temperature Range,
TA ............................... -20°C to +125°C
Storage Temperature Range,
Twstgw..w......D...a...t.a...S...h..e...e...t.4U-3.0c°Comto +125°C
Always order by complete part number:
STR-S6401 or STR-S6401F .
™
1 page  
www.DataSheet4U.com
STR-S6401 AND STR-S6401F
OFF-LINE
SWITCHING REGULATORS
TYPICAL PWM FLYBACK CONVERSION USING STR-S6401
WARNING: lethal potentials are present. See text.
79
+
58
STR-S6401
NC
3
+
4
1
+
2
6
+ OUTPUT
+
VOLTAGE
SENSE
– OUTPUT
TYPICAL PWM FORWARD CONVERSION USING STR-S6401F
WARNING: lethal potentials are present. See text.
Dwg. EK-003
79
+
58
www.DataSheet4U.com
STR-S6401F
NC
3
+
4
1
+
2
6
+ OUTPUT
+
VOLTAGE
SENSE
– OUTPUT
Dwg. EK-003-1
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet STR-S6401.PDF ] | |
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