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PDF TDA3617J Data sheet ( Hoja de datos )
| Número de pieza | TDA3617J | |
| Descripción | Multiple voltage regulator | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TDA3617
Multiple voltage regulator
Preliminary specification
File under Integrated Circuits, IC01
1999 Jul 14
1 page  
Philips Semiconductors
Multiple voltage regulator
Preliminary specification
TDA3617
handbook, full pagewidth
VP
enable
regulator
2 and/or 3
enable
regulator 1
regulator
output
2 and/or 3
regulator
output 1
temperature
protection
active
>150 °C passive
HOLD
out of
regulation
out of
regulation
short
circuit
out of
regulation
Fig.4 Timing diagrams of the HOLD signal.
load dump
MGL622
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VP
Vbat(rp)
Ptot
Tstg
Tamb
Tj
PARAMETER
supply voltage
operating
jump start
load dump protection
reverse polarity battery voltage
total power dissipation
storage temperature
ambient temperature
junction temperature
CONDITIONS
t ≤ 10 minutes
for 50 ms; tr ≥ 2.5 ms
non-operating
non-operating
operating
operating
MIN.
MAX.
UNIT
− 17.5 V
− 30 V
− 50 V
− −18 V
− 62 W
−55
+150
°C
−40 +85 °C
− 175 °C
1999 Jul 14
5
5 Page 
Philips Semiconductors
Multiple voltage regulator
Preliminary specification
TDA3617
Example 1
Regulators 1, 2 and 3 are stabilized with an electrolytic
output capacitor of 220 µF (ESR = 0.15 Ω). At −30 °C, the
capacitor value is decreased to 73 µF and the ESR is
increased to 1.1 Ω. The regulator will remain stable at
−30 °C.
Example 2
Regulators 1, 2 and 3 are stabilized with an electrolytic
output capacitor of 10 µF (ESR = 3.18 Ω). At −30 °C, the
capacitor value is decreased to 3.3 µF and the ESR is
increased to 23 Ω. The regulator will be instable at −30 °C.
Solution
Use a 47 nF HF capacitor in parallel with the output
electrolytic output capacitor. As can be seen from the
graph in Fig.7, the regulators will remain stable with an
output capacitor of 47 nF onwards. The electrolytic output
capacitor is only needed to minimize the output noise.
handbook, halfpa2g0e
R
(Ω)
15
10
5
0
0.1
MGK612
maximum ESR
stable region
1 10 C (µF) 100
Fig.7 Curve for selecting the value of output
capacitor for regulator 1.
1999 Jul 14
11
11 Page | ||
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| PDF Descargar | [ Datasheet TDA3617J.PDF ] | |
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