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TDA3617 Scheda tecnica(PDF) 2 Page - NXP Semiconductors

Il numero della parte TDA3617
Spiegazioni elettronici  Multiple voltage regulator
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Produttore elettronici  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA3617 Scheda tecnica(HTML) 2 Page - NXP Semiconductors

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1999 Jul 14
2
Philips Semiconductors
Preliminary specification
Multiple voltage regulator
TDA3617
FEATURES
General
• Three VP-state controlled regulators
(regulators 1, 2 and 3)
• Very good stability and noise behaviour
• Separate control pins for switching regulators 1, 2 and 3
• Supply voltage range from −18 to +50 V
• Low quiescent current (when regulators 1, 2 and 3 are
switched off)
• High ripple rejection
• Hold output for indicating regulator 1 and/or 2 and/or 3
out of regulation.
Protections
• Reverse polarity safe (down to −18 V without high
reverse current)
• Able to withstand voltages up to 18 V at the outputs
(supply line may be short circuited)
• ESD protection on all pins
• Thermal protection
• Load dump protection
• Foldback current limit protection for
regulators 1, 2 and 3
• DC short-circuit safe to ground and VP for all regulator
outputs.
GENERAL DESCRIPTION
The TDA3617J is a multiple output voltage regulator with
three independent regulators. It contains:
1. Three fixed voltage regulators with foldback current
protection (regulators 1, 2 and 3)
2. A supply pin that can withstand load dump pulses and
negative supply voltages
3. Independent enable inputs for regulators 1, 2 and 3
4. Local temperature protection for regulator 3
5. A hold output that can be used to interface with a
microprocessor. The hold indicates that the selected
output voltages are available and within their ranges.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VP
supply voltage
operating
9.5
14.4
17.5
V
jump start
t
≤ 10 minutes
−−
30
V
load dump protection
for 50 ms; tr ≥ 2.5 ms
−−
50
V
Iq(tot)
total quiescent current
standby mode
540
µA
Tj
junction temperature
−−
175
°C
Voltage regulators
VREG1
output voltage regulator 1
1 mA
≤ IREG1 ≤ 1.3 A
8.55
9.0
9.45
V
VREG2
output voltage regulator 2
1 mA
≤ IREG2 ≤ 600 mA;
VP = 14.4 V
4.75
5.0
5.25
V
VREG3
output voltage regulator 3
1 mA
≤ IREG3 ≤ 300 mA
3.14
3.3
3.46
V
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA3617J
DBS9P
plastic DIL-bent-SIL power package; 9 leads (lead length 7.7 mm)
SOT157-4


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