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PDF TDA8139 Data sheet ( Hoja de datos )
| Número de pieza | TDA8139 | |
| Descripción | Double (5.1 V and adjustable) voltage regulator | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA8139, TDA8139/D
Double (5.1 V and adjustable) voltage regulator with
reset and disable functions
Features
OUTPUT2 can be disabled via the TTL input.
■ Input voltage range: 7 V to 18 V
■ Output currents up to 750 mA
Short-circuit and thermal protections are included
in all versions.
■ Fixed Precision output 1 voltage: 5.1 V ±2%
■ Adjustable output 2 voltage: 2.8 to 16 V
■ Output 1 with reset function
■ Output 2 with disable function by TTL input
)■ Short-circuit protection at both outputs
t(s■ Thermal protection
c■ Low dropout voltage
roduDescription
PThe TDA8139 and the TDA8139/D are monolithic
tedual positive voltage regulators designed to
leprovide a fixed precision output voltage of 5.1 V
oand an adjustable voltage between 2.8 and 16 V
sfor currents up to 750 mA.
bAn internal reset circuit generates a reset pulse
- Owhen the voltage of OUTPUT1 drops below the
)regulated voltage value.
t(sFigure 1. TDA8139
SIP9 (plastic package)
DIP16 (8 + 8)
Table 1. Device summary
Order code
Packaging
TDA8139
Tray
TDA8139/D
Tray
roduc INPUT1 1
16 GROUND
P9 OUTPUT1
INPUT2 2
15 GROUND
8 OUTPUT2
te 7
PROGRAM
DELAY CAPACITOR 3
14 GROUND
le 6 RESET
DISABLE 4
13 GROUND
o 5 GROUND
RESET 5
12 GROUND
s4
Ob 3
DISABLE
DELAY CAPACITOR
PROGRAM 6
11 GROUND
2 INPUT2
OUTPUT2 7
10 GROUND
1 INPUT1
OUTPUT1 8
9 GROUND
Tab is connected to GROUND
February 2009
Rev 2
1/14
www.st.com
1
1 page  
TDA8139, TDA8139/D
Electrical characteristics
Table 4.
Symbol
Electrical characteristics (continued)
Parameter
Test conditions
Minimum Typical Maximum Unit
IQ Quiescent current
VO1RST Reset threshold voltage
VRTH Reset threshold hysteresis
tRD Reset pulse delay
VRL
Saturation voltage in reset
condition
IRH
Leakage current in normal
condition
IO1 = 10 mA, OUTPUT2
Disabled
K = VO1, VIN1 ≥ 7 V
See circuit description.
Ce = 100 nF
See circuit description.
IRESET = 5 mA
IRESET = 10 V
K - 0.4
20
2
K - 0.25
50
K - 0.1
75
25
mA
V
mV
ms
0.4 V
10 µA
KO1, 2
t(s)IO1,2SC
ducVDISH
Output voltage thermal drift
K0
=
-Δ---V-----0----⋅------1---0----6-
ΔT ⋅ V0
TJ = 0 to + 125°C
Short circuit output current
VIN1,2 = 7 V
VIN1,2 = 16 V(1)
Disable voltage high (OUT2
active)
2
100
1.6
1.0
ppm/°C
A
V
ProVDISL
Disable voltage low (OUT2
disabled)
0.8 V
teIDIS
soleVREF
Disable bias current
Reference voltage at
PROGRAM Pin
0 V < VDIS < 7 V
-100
2
2.5
µA
V
ObTJSD
Junction temperature for
thermal shutdown
145 °C
) -1. The output short-circuit currents are tested one channel at time. During a short-circuit, a large consumption of power
t(soccurs, but the thermal protection circuit prevents any excessive temperatures. A safe permanent short-circuit protection is
Obsolete Produconly guaranteed for input voltages up to 16 V.
5/14
5 Page 
TDA8139, TDA8139/D
Package mechnical data
Table 6.
Dim.
L2
L3
M
N
JEDEC standard package dimensions (9-pin plastic single in-line) (continued)
mm Inches
17.6 0.693
0.25 0.010
3.2 0.126
1 0.039
Figure 11. 16-pin plastic dual in-line package, 300-mil width
bsolete Product(s)Table 7.
- ODim.
JEDEC standard package dimensions (16-pin plastic dual in-line)
mm Inches
t(s)Min.
Typ.
Max.
Min. Typ.
cA
duA1 0.38
roA2 2.92
Pb 0.36
teb2
olec 0.20
bsD 18.67
Oe
3.30
1.52
0.25
19.18
2.54
5.33
4.95
0.56
1.78
0.36
19.69
0.015
0.115
0.014
0.008
0.735
0.130
0.060
0.010
0.755
0.100
Max.
0.210
0.195
0.022
0.070
0.014
0.775
E1 6.10
6.35
7.11
0.240
0.250
0.280
L 2.92
3.30
3.81
0.115
0.130
0.150
11/14
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| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TDA8139.PDF ] | |
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