STD888T4
Medium Current, High Performance, Low Voltage
PNP Transistor
General features
■
■
■
■
■
Very low Collector to Emitter saturation voltage
D.C. Current gain, h
FE
>100
5A continuous collector current
Surface mounting DPAK(TO-252) power package in tape & reel packing
In compliance with the 2002/93/EC European
Directive
Description
The device in 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.
Applications
■
■
■
■
Power management in portable equipment
Voltage regulation in bias supply circuits
Switching regulator in battery charger applications
Heavy load driver
DPAK
(TO-252)
1
3
Internal schematic diagram
Order codes
Part Number
STD888T4
Marking
D888
Package
DPAK
Packing
Tape & reel
April 2006 Rev 2 1/10
www.st.com
10
3
4
STD888T4
Contents
1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2
Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2/10
STD888T4
1
Electrical ratings
Table 1.
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CM
P tot
T stg
T
J
Absolute maximum rating
Parameter
Collector-base voltage (I
E
= 0)
Collector-emitter voltage (I
B
= 0)
Emitter-base voltage (I
C
= 0)
Collector current
Collector peak current (t
P
< 5ms)
Total dissipation at T c
= 25°C
Storage temperature
Max. operating junction temperature
Table 2.
Thermal data
Symbol Parameter
R thj-case
Thermal resistance junction-case __ max
Electrical ratings
Value
-45
-30
-6
-5
-10
15
-65 to 150
150
Unit
A
W
°C
°C
V
A
V
V
Value
8.33
Unit
°C/W
3/10
Electrical characteristics STD888T4
4/10
(T case
= 25°C unless otherwise specified)
Table 3.
Electrical characteristics
Symbol Parameter Test Conditions
I
CBO
Collector cut-off current
(I
E
=0)
I
EBO
V
(BR)CEO
(2)
V
V
(BR)CBO
(BR)EBO
Emitter cut-off current
(I
C
=0)
Collector-emitter breakdown voltage
(I
B
=0)
Collector-base breakdown voltage
(I
E
=0)
Emitter-base breakdown voltage (I
C
=0)
V
V
CB
CB
= -30V
= -30V; T
V
EB
= -6V
I
C
= -10mA
I
C
= -100 µA
I
E
= -100
µA
C
= 100°C
V
V
CE(sat)
(2)
BE(sat)
(2) h
FE
(2)
Collector-emitter saturation voltage
Base-emitter saturation voltage
DC current gain
I
C
= -0.5A I
B
= -5mA
I
C
= -2A I
B
= -50mA
I
C
= -5A I
B
= -250mA
I
C
= -6A I
B
= -250mA
I
C
= -8A I
B
= -400mA
I
C
= -10A I
B
= -500mA
I
C
= -2A I
B
= -50mA
I
C
= -6A I
B
= -250mA
I
C
= -10mA V
CE
= -1V
I
C
= -500mA V
CE
= -1V
I
C
= -5A V
CE
= -1V
I
C
= -5A V
CE
= -1V
T
C
= 100°C
I
C
= -8A V
CE
= -1V
I
C
= -10A V
CE
= -1V t s t f t d t r
Resistive load
Delay time
Rise time
Storage time
Fall time
I
C
= -3A V
CC
= -20V
I
B1 = -
I
B2 =
-60mA
(see figure 7)
Min.
Typ.
Max.
Unit
-10
100
µA
µA
-30
-45
-6
120
100
70
-0.7
-1
-1.2
-1.2
200
200
100
100
55
35
180
160
250
80
-10
-0.15
-0.35
-0.7
-1.1
300
220
210
300
100
µA
V
V
V ns ns ns ns
V
V
V
V
V
V
V
V
Note (2) Pulsed duration = 300
µs, duty cycle ≤1.5%
STD888T4
2.1
Electrical characteristics
Electrical characteristics (curves)
Figure 1.
DC current gain Figure 2.
DC current gain
Figure 3.
Collector-emitter saturation voltage
Figure 4.
Base-emitter saturation voltage
Figure 5.
Switching time resistive load Figure 6.
Switching time resistive load
5/10
Electrical characteristics
Figure 7.
Resistive load switching test circuit
STD888T4
1) Fast electronic switch
2) Non-inductive resistor
6/10
STD888T4 Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
7/10
Package mechanical data
STD888T4
DIM.
C2
D
E
B
B2
C
A
A1
A2
G
H
L2
L4
V2
0.64
5.20
0.45
0.48
6.00
6.40
4.40
9.35
MIN.
2.20
0.90
0.03
0.60
0 o
TO-252 (DPAK) MECHANICAL DATA
mm
TYP.
MAX.
2.40
1.10
0.23
0.90
5.40
0.60
0.60
6.20
6.60
4.60
10.10
MIN.
0.087
0.035
0.001
0.025
0.204
0.018
0.019
0.236
0.252
0.173
0.368
0.8
1.00
8 o
0.024
0 o
inch
TYP.
0.031
MAX.
0.094
0.043
0.009
0.035
0.213
0.024
0.024
0.244
0.260
0.181
0.398
0.039
0 o
8/10
P032P_B
STD888T4
Table 4.
Date
24-Mar-2004
03-Apr-2006
Revision history
Revision
1
2
Initial release.
New template.
Changes
Revision history
9/10
STD888T4
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