Philips TDA3616T-N1, TDA3616PH-N1 Datasheet

DATA SH EET

Objective specification
Supersedes data of 1998 Jul 22
File under Integrated Circuits, IC01

2000 Jan 14

INTEGRATED CIRCUITS

TDA3616

Multiple voltage regulator with
battery detection

2000 Jan 14 2

Philips Semiconductors Objective specification

Multiple voltage regulator with battery
detection

TDA3616

FEATURES
General

• One VP-state controlled regulator

• Battery detection circuit

• Regulator,resetandbatteryoutputsoperateduringload

dump

• Supply voltage range from −18 to +50 V

• Low quiescent current (battery detection switched off)

• High ripple rejection

• Dual reset output

• Backup circuit

• Adjustable reset delay timer.

Protections

• Reverse polarity safe (down to −18 V without high
reverse current)

• Able to withstand voltages up to 18 V at the output
(supply line may be short-circuited)

• ESD protected on all pins

• Load dump protection

• Foldback current limit protection for regulator

• TheregulatoroutputisDCshort-circuitedsafetoground

and VP.

GENERAL DESCRIPTION

The TDA3616 is a low power voltage regulator. It contains
the following:

• One fixed voltage regulator with a foldback current
protection, intended to supply a microprocessor, that
also operates during load dump

• Aprovision for use of a reserve supply capacitor that will
hold enough energy for the regulator to allow a
microcontroller to prepare for loss of supply voltage

• Reset signals which can be used to interface with the
microprocessor

• A supply pin that can withstand load dump pulses and
negative supply voltages

• Definedstart-upbehaviour;regulatorwillbeswitchedon
at a supply voltage higher than 7.5 V and off when the
output voltage of the regulator drops below 2.4 V.

QUICK REFERENCE DATA

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Supply

V

P

supply voltage

operating regulator on 5.6 14.4 25 V
jump start t ≤ 10 minutes −−30 V
load dump protection t ≤ 50 ms; t

r

≥ 2.5 ms −−50 V

I

q

quiescent supply current standby mode − 95 125 µA

standby mode; T

amb

=25°C − 95 120 µA

Regulator

V

o

output voltage 0.5 mA ≤ I

REG

≤ 150 mA;

7V≤VP≤18 V; T

amb

=25°C

4.8 5.0 5.2 V

0.5 mA ≤ I

REG

≤ 150 mA;

7V≤VP≤18 V

4.75 5.0 5.25 V

I

REG

= 30 mA;

18 V ≤ VP≤ 50 V; load dump

4.75 5.0 5.25 V

V

drop

drop-out voltage I

REG

= 150 mA; VP=5V;

T

amb

=25°C

− 0.6 1.0 V

2000 Jan 14 3

Philips Semiconductors Objective specification

Multiple voltage regulator with battery
detection

TDA3616

ORDERING INFORMATION

BLOCK DIAGRAM

TYPE

NUMBER

PACKAGE

NAME DESCRIPTION VERSION

TDA3616T SO20 plastic small outline package; 20 leads; body width 7.5 mm SOT163-1
TDA3616SF SIL9MP plastic single in-line medium power package with fin; 9 leads SOT110-1

handbook, full pagewidth

MGL933

REGULATOR

LOAD DUMP

PROTECTION

BACKUP SWITCH

REFERENCE

7 (9)

&

GND

TDA3616T

REG

REG

RES2

RES1

(14.4 V)

(1) 14

(3) 16

BU

(5) 18

BATTERY

BUFFER

V

O(bat)

V

I(bat)

V

C

V

P

(2) 15

(7) 54 (6)

6 (8)

7

4

17 (4)

i.c.

1, 10,
11, 20

n.c.

2, 3, 8, 9,
12, 13, 19

3.1
kΩ

3.1
kΩ

47 kΩ

Fig.1 Block diagram.

The pin numbers given in parenthesis refer to the TDA3616SF version.

2000 Jan 14 4

Philips Semiconductors Objective specification

Multiple voltage regulator with battery
detection

TDA3616

PINNING

Note

1. The i.c. pins are connected to each other by the leadframe and can be kept floating or can be connected to ground.

SYMBOL

PIN

DESCRIPTION

SOT163-1 SOT110-1

i.c. 1, 10, 11, and 20 − interconnected; heat spreader; note 1
n.c. 2, 3, 8, 9, 12, 13

and 19

− not connected; heat spreader

V

I(bat)

4 6 battery input voltage

V

O(bat)

5 7 battery detection output voltage

V

C

6 8 reset delay capacitor
GND 7 9 ground (0 V)
RES2 14 1 reset 2 output
RES1 15 2 reset 1 output
REG 16 3 regulator output
V

P

17 4 supply voltage

BU 18 5 backup

Fig.2 Pin configuration (SOT163-1).

The i.c. and n.c. pins can be connected to a heat spreader.

handbook, halfpage

i.c.
n.c.
n.c.

n.c.
n.c.

i.c.

i.c.
n.c.
BU
V

P

RES1
RES2

REG

n.c.
n.c.
i.c.

1
2
3
4
5
6
7
8
9

10

11

12

20
19
18
17
16
15
14
13

TDA3616T

MGR093

V

I(bat)

V

O(bat)

V

C

GND

handbook, halfpage

TDA3616SF

MGL930

1
2
3
4
5
6
7
8
9

RES2
RES1

REG

V

P

BU

V

I(bat)

V

O(bat)

V

C

GND

Fig.3 Pin configuration (SOT110-1).

2000 Jan 14 5

Philips Semiconductors Objective specification

Multiple voltage regulator with battery
detection

TDA3616

FUNCTIONAL DESCRIPTION

The TDA3616 (see Fig.1) is a voltage regulator intended
to supply a microprocessor (e.g. in car radio applications).
Because of low-voltage operation of the application, a
low-voltage drop regulator is used.

This regulator will switch-on when the backup voltage
(see Section “Backup circuit”) exceeds 7.5 V for the first
time and will switch-off again when the output voltage of
the regulator drops below 2.4 V. When the regulator is
switched on, the RES1 and RES2 outputs (RES2 can only
be HIGH when RES1 is HIGH) will go HIGH after a fixed
delay time (fixed by an external delay capacitor) to
generate a reset to the microprocessor.

Pin RES1 will go HIGH via an internal pull-up resistor of

3.1 kΩ, and is used to initialize the microprocessor.
Pin RES2 is used to indicate that the regulator output
voltage is within its voltage range. This start-up feature is
built-in to secure a smooth start-up of the microprocessor
at first connection, without uncontrolled switching of the
regulator during the start-up sequence.

The charge of the backup capacitor can be used to supply
the regulator and logic circuits for a short period of time
whenthesupplyfallsto0 V (the time depends on the value
of the storage capacitor). The regulator is switched off at a
backup voltage of approximately 2.7 V. From this time
onwards, the backup charge will only be used for
maintaining reset functions. Due to this, the reset outputs
willremainLOWuntiltheoutputoftheregulatoris dropped
to 0 V.

All output pins are fully protected. The regulator is
protected against load dump and short-circuit (foldback
current protection). At load dump, the battery detection
circuit will remain operating.

Interfacing with the microprocessor can be accomplished
by means of a battery Schmitt trigger and output buffer
(simple full/semi on/off logic applications). The battery
output will go HIGH when the battery input voltage
exceeds the high threshold level.

The timing diagrams are shown in Fig.4.

Fig.4 Timing diagrams.

handbook, full pagewidth

MGR095

battery output

battery input

reset 1

reset 2

regulator

V

BU

V

P

reset delay

capacitor

2 V2 V

4.75 V

18 V

2.4 V

2.05 V

1.95 V

2000 Jan 14 6

Philips Semiconductors Objective specification

Multiple voltage regulator with battery
detection

TDA3616

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

THERMAL CHARACTERISTICS

QUALITY SPECIFICATION

Quality specification in accordance with

“SNW-FQ-611E”

.

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

V

P

supply voltage

operating regulator on − 25 V
jump start t ≤ 10 minutes − 30 V
load dump protection t ≤ 50 ms; t

r

≥ 2.5 ms − 50 V

V

rp

reverse polarity voltage non-operating −−18 V

V

I(bat)p

positive pulse voltage at battery input VP= 14.4 V; RI=5kΩ− 50 V

V

I(bat)n

negative pulse voltage at battery input VP= 14.4 V; RI=10kΩ;

Cl=1nF

−−100 V

P

tot

total power dissipation VP= 12.4 V − 2.5 W

T

stg

storage temperature non-operating −55 +150 °C

T

amb

ambient temperature operating −40 +105 °C

T

j

junction temperature operating −40 +150 °C

SYMBOL PARAMETER CONDITIONS VALUE UNIT

R

th(j-p)

thermal resistance from junction to pin/tab

TDA3616T 20 K/W
TDA3616SF 12 K/W

R

th(j-a)

thermal resistance from junction to ambient

TDA3616T 10 cm

2

2-sided copper

area connected to pins

50 K/W

TDA3616SF in free air 50 K/W