Philips Semiconductors
Multiple voltage regulator with
power switches
Product specification
TDA3682
FEATURES
General
• Good stability for any regulator with almost any output
capacitor
• Five voltage regulators (BU5V, illumination, AM, FM
and audio)
• Mode selection by three enable control pins
• Low dropout voltage output stages (PNP output stage)
• High ripple rejection
• Low noise for all regulators
• Two power switches (power antenna and power control
function).
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 protection of all pins
• Thermal protection to avoid thermal break down
• Load dump protection
• Regulator outputs are DC short-circuited safe to ground
and supply voltage
• Foldback current limit protection for all regulators
• Loss of ground protection for power switches.
GENERAL DESCRIPTION
The TDA3682 is a multiple output voltage regulator with
power switches, intended for use in car radios with or
without a microprocessor.
The TDA3682 contains the following:
• Four switchable regulators and one permanent active
regulator (BU5V)
• Two power switches with loss of ground protection
• Three enable control inputs for selecting the regulators
(illumination, audio, AM or FM) and the power switches
(PANT and PCON); the standby mode is selected with
all enable control inputs at LOW level.
The quiescent current has a very low level of 120 µA
(typical value) with the regulator 2 (BU5V) active.
ORDERING INFORMATION
TYPE
NUMBER
TDA3682ST
NAME
RDBS13P
PACKAGE
DESCRIPTION
plastic rectangular-DIL-bent-SIL power package; 13 leads
VERSION
SOT528-2
2002 Mar 11
2