STN749 Datasheet, PDF (1/6 Pages) STMicroelectronics – MEDIUM CURRENT, HIGH PERFORMANCE, LOW VOLTAGE PNP TRANSISTOR

®
STN749
MEDIUM CURRENT, HIGH PERFORMANCE,
LOW VOLTAGE PNP TRANSISTOR
Ordering Code
STN749
Marking
N749
s VERY LOW COLLECTOR TO EMITTER
SATURATION VOLTAGE
s DC CURRENT GAIN, hFE > 100
s 3 A CONTINUOUS COLLECTOR CURRENT
s SOT-223 PLASTIC PACKAGE FOR
SURFACE MOUNTING CIRCUITS
s AVAILABLE IN TAPE AND REEL PACKING
APPLICATIONS
s POWER MANAGEMENT IN PORTABLE
EQUIPMENT
s VOLTAGE REGULATION IN BIAS SUPPLY
CIRCUITS
s SWITCHING REGULATOR IN BATTERY
CHARGER APPLICATIONS
s HEAVY LOAD DRIVER
DESCRIPTION
The device is manufactured in low voltage PNP
Planar Technology by using a "Base Island"
layout.
The resulting Transistor shows exceptional high
gain performance coupled with very low
saturation voltage.
2
3
2
1
SOT-223
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
VCBO
VCEO
VEBO
IC
ICM
Ptot
Tstg
Tj
Parameter
Collector-Base Voltage (IE = 0)
Collector-Emitter Voltage (IB = 0)
Emitter-Base Voltage (IC = 0)
Collector Current
Collector Peak Current (tp < 5 ms)
Total Dissipation at Tamb = 25 ^oC
Storage Temperature
Max. Operating Junction Temperature
March 2003
Value
-35
-25
-5
-3
-6
1.6
-65 to 150
150
Unit
V
V
V
A
A
W
o_C
o_C
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