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Номер произв TDA3604TH
Описание Multiple voltage regulators with external reset delay and switch
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 



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TDA3604TH Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
DATA SHEET
TDA3604Q; TDA3604TH
Multiple voltage regulators with
external reset delay and switch
Product specification
Supersedes data of 1997 Aug 15
File under Integrated Circuits, IC01
1997 Aug 21









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TDA3604TH Даташит, Описание, Даташиты
Philips Semiconductors
Multiple voltage regulators with external
reset delay and switch
Product specification
TDA3604Q;
TDA3604TH
FEATURES
General
One VP-state controlled regulator (regulator 2)
Regulator 2, reset and ignition buffer operate during
load dump and thermal shutdown
Separate control pins for switching regulator 1 and the
power switch
Supply voltage range of 18 to +50 V
(operating from 9.75 V)
Low reverse current of regulator 2
Low quiescent current (when regulator 1, power switch
and ignition buffer are switched off)
Ignition input/output
Reset output
Adjustable reset delay time
High ripple rejection
Power switch
Separate supply for the power switch.
GENERAL DESCRIPTION
The TDA3604Q and TDA3604TH are multiple output
voltage regulators with a power switch, intended for use in
car radios with or without a microcontroller.
It contains one fixed voltage regulator with a foldback
current protection (regulator 1) and one fixed voltage
regulator (regulator 2), intended to supply a
microcontroller, that also operates during load dump and
thermal shutdown.
There is a power switch with protections, operated by an
enable input.
The reset and ignition outputs can be used to interface by
the microcontroller. The reset signal can be used to call up
the microcontroller and the ignition output indicates
ignition voltage available.
Both supply pins can withstand load dump pulses and
negative supply voltages.
Regulator 2 will be switched on at a supply voltage >6.5 V
and off at a voltage of regulator 2 <1.9 V.
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 protected on all pins
Thermal protection
Load dump protection
Foldback current limit protection for regulators 1 and 2
Delayed second current limit protection for the power
switch
The regulator outputs and the power switch are
DC short-circuited safe to ground and VP.
ORDERING INFORMATION
TYPE
NUMBER
TDA3604Q
TDA3604TH
PACKAGE
NAME
DESCRIPTION
DBS13P plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)
HSOP20 plastic heat-dissipating small outline package; 20 leads; low stand-off
VERSION
SOT141-6
SOT418-2
1997 Aug 21
2









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TDA3604TH Даташит, Описание, Даташиты
Philips Semiconductors
Multiple voltage regulators with external
reset delay and switch
Product specification
TDA3604Q; TDA3604TH
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply
VP supply voltage
operating
regulator 2 on
note 1
jump start
t 10 minutes
load dump protection
during 50 ms; tr 2.5 ms
Iq
total quiescent current
standby mode
Tvj operating virtual junction
temperature
9.75
2.4
Voltage regulators
VREG1
VREG2
VREGd1
output voltage regulator 1
output voltage regulator 2
drop-out voltage regulator 1
Power switch
0.5 mA IREG1 300 mA
0.5 mA IREG2 50 mA; VP = 14.4 V
IREG1 = 0.3 A; note 2
8.65
4.8
Vswd
IswM
drop-out voltage
peak current
Isw = 0.5 A; note 3
t 10 ms
1.4
Notes
1. Minimum operating voltage, only if VP has exceeded 6.5 V.
2. The drop-out voltage of regulator 1 is measured between VP and VREG1.
3. The drop-out voltage of the power switch is measured between VI(sw) and VO(sw).
14.4
14.4
400
9.0
5.0
25
25
30
50
500
150
9.35
5.2
0.5
1.4
V
V
V
V
µA
°C
V
V
V
V
A
1997 Aug 21
3










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