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STR-S6401 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. STR-S6401
Description  OFF-LINE SWITCHING REGULATORS WITH POWER MOSFET OUTPUT
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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STR-S6401 Datasheet(HTML) 3 Page - Allegro MicroSystems

   
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ALLOWABLE AVALANCHE ENERGY
ELECTRICAL CHARACTERISTICS at T
A = +25°C, VIN = 17 V, voltage measurements are referenced to
Signal Ground (pin 8) (unless otherwise noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ. Max.
Units
On-State Voltage
V
INT
Turn-on, increasing V
IN
14.4
16
17.6
V
Under-Voltage Lockout
V
INQ
Turn-off, decreasing V
IN
8.4
9.4
10.4
V
FET Leakage Current
I
DSS
V
DS = 400 V
300
µA
FET ON Resistance
r
DS(on)
V
GS = 10 V, ID = 5 A
0.5
0.6
Forward Transconductance
g
fs
V
GS = 10 V, ID = 5 A
9.2
S
FET Input Capacitance
C
iss
V
DS=10 V, VGS=0 V, f=1 MHz
1800
pF
Propagation Delay Time
t
phl
Turn-on, 10% V
GS to 10% VDS
–60
ns
t
plh
Turn-off, 90% V
GS to 90% VDS
140
ns
Oscillator Frequency
f
osc
93
100
107
kHz
Maximum ON Time
t
on
STR-S6401
5.1
5.7
6.5
µs
STR-S6401F
3.8
4.5
5.2
µs
Over-Current Threshold
V
OCP(th)
160
200
240
mV
OCP Current
I
OCP
-250
-400
-550
µA
Feedback Current
I
FDBK
-1.8
mA
Soft Start Threshold Voltage
V
SS(th)
0.4
V
Soft Start Current
I
SS
V
SS = 0 V
-100
µA
Power Ground Current
I
PG
t
w = 200 ns
-1.0
-1.5
A
Supply Current
I
IN(ON)
Operating
23
mA
I
IN(OFF)
Start up, V
IN = 12 V
500
µA
Insulation RMS Voltage
V
WM(RMS)
All terminals simultaneous reference
2000
V
metal plate against backside
Thermal Resistance
RθJM
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.
600
400
200
0
60
100
140
100
STARTING CHANNEL TEMPERATURE in
°C
Dwg. GK-009
300
500
0
20
40
80
120
160
SINGLE PULSE
DRAIN CURRENT = 10 A
SUPPLY VOLTAGE = 50 V
STR-S6401 AND STR-S6401F
OFF-LINE
SWITCHING REGULATORS


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