Philips Semiconductors
Multiple voltage regulator with
power switches
Product specification
TDA3682
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Regulator 5: pin REG5 (Io = 5 mA)
Vo(REG5)
∆Vline
∆Vload
SVRR
Vdrop
Im
Isc
output voltage of regulator 5
line regulation
load regulation
supply voltage ripple rejection
dropout voltage
current limit
short-circuit current
0.5 mA ≤ Io ≤ 50 mA
10 V ≤ VP2 ≤ 18 V
10 V ≤ VP2 ≤ 18 V
0.5 mA ≤ Io ≤ 50 mA
fi = 120 Hz; Vi = 2 V (p-p)
VP2 = 8 V; Io = 50 mA; note 2
Vo > 7 V
RL ≤ 0.5 Ω; note 3
7.87 8.2
7.87 8.2
−
3
−
−
60
70
−
0.2
75
−
20
−
8.53 V
8.53 V
50
mV
100 mV
−
dB
0.4 V
−
mA
−
mA
Power switch 1: pin SW1
Vdrop(SW1)
Im
dropout voltage
current limit
Io = 200 mA
Vo > 11.7 V
−
0.6 0.8 V
0.3 0.55 0.8 A
Power switch 2: pin SW2
Vdrop(SW2)
Im
dropout voltage
current limit
Io = 200 mA
Vo > 11.7 V
−
0.6 0.8 V
0.3 0.55 0.8 A
Notes
1. The quiescent current is measured when RL = ∞ and VEN ≤ 0.8 V.
2. The dropout voltage of a regulator is the voltage difference between VP2 and Vo(REG).
3. The foldback current protection limits the dissipation power at short-circuit.
4. The dropout voltage of regulator 2 is the voltage difference between VSTCP and Vo(REG2) and depends on the load
current (see Fig.6).
5. The dropout voltage of regulator 2 is the voltage difference between VP2 and Vo(REG2) and depends on the load
current (see Fig.7).
2002 Mar 11
9