STR-S5707 データシートの表示（PDF） - Allegro MicroSystems
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STR-S5707 Datasheet PDF : 8 Pages
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STR-S5707 AND STR-S5708
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
ELECTRICAL CHARACTERISTICS at TA = +25°C, VIN = 8.5 V, voltage measurements are refer-
enced to Common (pin 2) (unless otherwise noted).
Characteristic
Symbol
Test Conditions
Limits
Min. Typ. Max. Units
On-State Voltage
Under-Voltage Lockout
Over-Voltage Threshold
Output Leakage Current
Output Saturation Voltage
DC Current Gain
Maximum ON Time
Minimum OFF Time
Over-Current Threshold
Sense Voltage
Inhibit Threshold Voltage
VINT
VINQ
VOVP(th)
ICEX
VCE(sat)
VBE(sat)
hFE
ton
toff
VOCP(th)
VSENSE
VINH(th)
Turn-on, increasing VIN
Turn-off, decreasing VIN
VCE = 850 V, VBE = -1.5 V
STR-S5707, IC = 2 A, IB = 400 mA
STR-S5708, IC = 3 A, IB = 600 mA
STR-S5707, IC = 2 A, IB = 400 mA
STR-S5708, IC = 3 A, IB = 600 mA
VCE = 4 V, IC = 1 A
ISENSE = 3.2 mA
Oscillation stops
Oscillation synchronized
7.6 8.0 8.4
V
4.6 4.9 5.2
V
9.2 Ð 10.7 V
Ð Ð 100 µA
Ð Ð 400 mV
Ð Ð 400 mV
Ð Ð 1.5 V
Ð Ð 1.5 V
29 Ð 61
Ð
33 Ð 41 µs
45 Ð 55 µs
-0.88 -1.0 -1.12 V
31.7 32.0 32.3 V
0.65 0.75 0.85 V
Ð 1.4 2.0 V
Oscillation stops (fault latch set)
3.2 5.1 5.8
V
Latch Holding Current
Latch Reset Voltage
Ref. Voltage Temp. Coeff.
Supply Current
Insulation RMS Voltage
IINH
VQ
αVZ
IIN(ON)
IIN(OFF)
VWM(RMS)
VIN reduced from 10.7 V to 4 V
IIN ≤ 100 µA, VIN reduced from 10.7 V
-20°C ≤ TF ≤ +100°C, IIN = 3.2 mA
Operating
All terminals simultaneous reference
metal plate against backside
Ð Ð 500 µA
2.5 3.1 Ð
V
Ð 2.5 Ð mV°/C
15 Ð 28 mA
Ð Ð 200 µA
2000 Ð Ð
V
Thermal Shutdown
Thermal Resistance
TJ
RθJM
Output junction to mounting surface
125 150 Ð
°C
Ð 2.0 Ð °C/W
NOTES: Negative current is defined as coming out of (sourcing) the specified device terminal.
Typical Data is for design information only.
www.allegromicro.com
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