Philips Semiconductors
Multiple voltage regulator with switch
Product specification
TDA3603
SYMBOL
PARAMETER
CONDITIONS
MIN.
Ignition buffer
VOL
LOW-level output voltage
IOL = 0 mA
VOH
HIGH-level output voltage note 5
IOL
LOW-level output current
VOL ≤ 0.8 V
IOH
HIGH-level output current
VOH ≥ 3 V
Regulator 1; note 6
VREG1
VREG1
∆VREG1
∆VREGL1
SVRR1
VREGd1
IREGm1
IREGsc1
αct
output voltage off
output voltage
0.5 mA ≤ IREG1 ≤ 300 mA
line regulation
load regulation
10 V ≤ VP ≤ 18 V
10 V ≤ VP ≤ 18 V
0.5 mA ≤ IREG1 ≤ 300 mA
supply voltage ripple rejection fi = 200 Hz; VI = 2 V (p-p)
drop-out voltage
IREG1 = 300 mA; note 7
current limit
VREG1 > 7 V; note 8
short-circuit current
RL ≤ 0.5 Ω; note 9
cross talk
note 10
Regulator 2; note 11
VREG2
∆VREG2
∆VREGL2
SVRR2
VREGd2
IREGm2
IREGsc2
αct
output voltage
0.5 mA ≤ IREG2 ≤ 50 mA
7 V ≤ VP ≤ 18 V
18 V ≤ VP ≤ 50 V
line regulation
7 V ≤ VP ≤ 18 V
load regulation
0.5 mA ≤ IREG1 ≤ 30 mA
supply voltage ripple rejection fi = 200 Hz; VI = 2 V (p-p)
drop-out voltage
IREG2 = 30 mA; note 12
current limit
VREG2 > 4.5 V; note 8
short-circuit current
RL ≤ 0.5 Ω; note 9
cross talk
note 13
Power switch
Vswd
Iswcc
Vswcl
IM
Vswfb
Ilim(sw)
drop-out voltage
continuous current
clamping voltage
peak current
fly back voltage behaviour
current limit
Isw = 0.3 A; note 14
VP ≥ 16.9 V
t ≤ 10 ms
Isw = −200 mA, VP = 9 V
VP = 14.4 V; Vsw < 1.5 V;
note 8
0
−
0.3
0.3
−
8.65
8.65
−
−
60
−
0.45
50
−
4.8
4.8
4.75
−
−
60
−
0.1
−
−
−
0.5
−
1.4
−
0.6
TYP.
0.2
5.0
0.8
2.0
1
9.0
9.0
−
−
−
0.4
−
300
50
5.0
5.0
5.0
−
−
−
0.3
−
50
50
0.4
−
15.0
−
−
−
MAX. UNIT
0.8
V
5.2
V
−
mA
−
mA
400
mV
9.35
V
9.35
V
50
mV
70
mV
−
dB
0.5
V
1.2
A
−
mA
−
dB
5.2
V
5.2
V
5.25
V
50
mV
50
mV
−
dB
0.4
V
0.5
A
−
mA
−
dB
0.9
V
−
A
16.2
V
−
A
20
V
1.0
A
1997 Aug 15
10