Philips Semiconductors
Multiple voltage regulator with battery
detection
Product specification
TDA3606
FEATURES
• One VP-state controlled regulator
• Regulator and reset outputs operate during load dump
• Supply voltage range of −18 to +50 V
• Low quiescent current (battery detection switched off)
• High ripple rejection
• Dual reset output.
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
• DC short-circuit safe to ground and VP of regulator
output.
GENERAL DESCRIPTION
The TDA3606 is a low power voltage regulator. It contains:
1. One fixed voltage regulator with a foldback current
protection, intended to supply a microprocessor that
also operates during load dump
2. A reset-signal can be used to interface with the
microprocessor
3. Supply pin can withstand load dump pulses and
negative supply voltages
4. Defined start-up behaviour; regulator will be switched
on at a supply voltage higher than 7.6 V and off when
the output voltage of the regulator drops below 2.4 V.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
Supply
VP
supply voltage
operating
jump start
load dump protection
Iq(tot)
total quiescent supply current
Voltage regulator
VREG
output voltage regulator
VREGd
drop-out voltage
CONDITIONS
regulator on
t ≤ 10 minutes
during 50 ms; tr ≥ 2.5 ms
standby mode
7 V ≤ VP ≤ 18 V
0.5 mA ≤ IREG ≤ 50 mA
IREG = 50 mA
MIN. TYP. MAX. UNIT
5.6 14.4 25
V
−
−
30
V
−
−
50
V
−
95
120 µA
4.85 5.0
4.8 5.0
−
−
5.15 V
5.2 V
0.4 V
ORDERING INFORMATION
TYPE
NUMBER
TDA3606T
NAME
SO8
PACKAGE
DESCRIPTION
plastic small outline package; 8 leads; body width 3.9 mm
VERSION
SOT96-1
1998 Jun 16
2