SGS Thomson Microelectronics STT818B Datasheet
®
Type Marking
STT818B 818B
■ VERY LOW CO LLECT O R TO EMITTER
SATURATION VOLTAGE
■ DC CURRENT GAIN > 100 ( h
■ 3 A CONTINUOUS COLLECTOR CURRENT
(I
)
C
■ SURFACE-M O UNT ING SOT 23-6L PACKAGE
FE
)
IN TAPE & REEL
STT818B
HIGH GAIN LOW VOLTAGE
PNP POWER TRANSISTOR
APPLICATIONS
■ POWER MANAGEMENT IN PORTABLE
SOT23-6L
(TSOP6)
EQUIPMENTS
■ SWITCHING RE G ULATOR IN BATTER Y
CHARGER APPLICATIONS
DESCRIPTION
The device is manufactured in low voltage PNP
INTER NAL SCH E M ATI C DIAG RA M
Planar Technology by using a "Base Island"
layout.
The resulting Transistor shows exceptional high
gain performance coupled with very low
saturation voltage.
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
I
P
T
Collector-Base Voltage (IE = 0) -30 V
CBO
Collector-Emitter Voltage (IB = 0) -30 V
CEO
Emitter-Base Voltage (IC = 0) -5 V
EBO
Collector Current -3 A
I
C
Collector Peak Current -6 A
CM
Base Current -0.2 A
I
B
Base Peak Current -0.5 A
BM
Total Dissipation at TC = 25
tot
Storage Temperature -65 to 150
stg
Max. Operating Junction Temperature 150
T
j
o
C 1.2 W
o
C
o
C
July 2002
1/5
STT818B
THERMAL DATA
thj-amb
(1)
Thermal Resistance Junction-ambient Max 104.2
R
(1) Packag e mounted on FR4 pcb 25mm x 25mm.
o
C/W
ELECTRICAL CHARACTERISTICS (T
= 25 oC unless otherwise specified)
case
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
I
V
(BR)CEO
CBO
EBO
Collector Cut-off
Current (I
= 0)
E
Emitter Cut-off Current
(I
= 0)
C
∗ Collector-Emitter
= -30 V
V
CB
V
= -30 V TC = 125 oC
CB
= -5 V -0.1 µA
V
EB
I
= -10 mA -30 V
C
-0.1
-20
Breakdown Voltage
(I
= 0)
B
∗ Collector-Emitter
V
CE(sat)
Saturation Voltage
V
∗ Base-Emitter
BE(sat)
Saturation Voltage
V
∗ Base-Emitter Voltage IC = -0.5 A VCE = -2 V -0.71 -1.1 V
BE(ON)
h
∗ DC Current Gain IC = -0.5 A VCE = -1 V
FE
* Pulsed: Pulse duration = 300 µs, duty cycle 1.5 %.
IC = -0.5 A IB = -5 mA
I
= -2 A IB = -20 mA
C
I
= -1.2 A IB = -20 mA
C
IC = -0.5 A IB = -5 mA
I
= -1.2 A IB = -20 mA
C
I
= -2 A IB = -20 mA
C
I
= -2.5 A VCE = -3 V
C
-0.075
-0.21
-0.74 -1.1
100
100
-0.15
-0.5
-0.25
-1.1
-1.2
µA
µA
V
V
V
V
V
V
Safe Operating Are a Derating Curve
2/5
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