Philips Semiconductors
Multiple voltage regulator with switch and
ignition buffers
Preliminary specification
TDA3609JR
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply
VP
supply voltage
operating
reverse polarity
non-operating
11
14.4 18
V
−
−
−18 V
regulator 2 on
2.4 14.4 50
V
Iq(tot)
Tj
jump start
load dump protection
total quiescent supply current
junction temperature
t ≤ 10 minutes
t ≤ 50 ms; tr ≥ 2.5 ms
standby mode
−
−
30
V
−
−
50
V
−
500 600 µA
−
−
150 °C
Voltage regulators
VO(REG1)
VO(REG2)
VO(REG3)
output voltage regulator 1
output voltage regulator 2
output voltage regulator 3
1 mA ≤ IREG1 ≤ 600 mA
9.5 10.0 10.5 V
0.5 mA ≤ IREG2 ≤ 150 mA; VP = 14.4 V 4.75 5.0 5.25 V
1 mA ≤ IREG3 ≤ 500 mA
4.75 5.0 5.25 V
Power switch
Vd
drop-out voltage
IM
peak current
Isw = 1 A
Isw = 1.8 A
−
0.45 0.7 V
−
1
1.8 V
3
−
−
A
1997 Aug 15
3