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PDF STD790AT4 Data sheet ( Hoja de datos )
| Número de pieza | STD790AT4 | |
| Descripción | Low Voltage PNP Transistor | |
| Fabricantes | ST Microelectronics | |
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STD790AT4
Medium Current, High Performance, Low Voltage
PNP Transistor
General features
■ Very low Collector to Emitter saturation voltage
■ D.C. Current gain, hFE >100
■ 3A continuous collector current
■ 40V breakdown voltage (V(BR)CER)
■ Surgace 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
1
DPAK
(TO-252)
3
Internal schematic diagram
Order codes
Part Number
STD790AT4
Marking
D790A
Package
DPAK
Packing
Tape & reel
March 2006
Rev 2
1/10
www.st.com
10
1 page  
STD790AT4
Electrical characteristics
Table 3.
Symbol
ft
Electrical characteristics
Parameter
Test Conditions
Transition frequency
IC = -50mA
f = 50MHz
VCE = -5V
Min. Typ. Max. Unit
100 MHz
Resistive load
td Delay time
tr Rise time
ts Storage time
tf Fall time
IC = -3A
VCC = -20V
IB1 = -IB2 = -60mA
(see figure 7)
180 220
160 210
250 300
80 100
ns
ns
ns
ns
Note (2) Pulsed duration = 300 µs, duty cycle ≤1.5%
2.1 Electrical characteristics (curves)
Figure 1. DC current gain
Figure 2. DC current gain
Figure 3. Collector-emitter saturation Figure 4. Base-emitter saturation
voltage
voltage
5/10
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet STD790AT4.PDF ] | |
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