Philips Semiconductors
Very low dropout voltage/quiescent current
3.0 V voltage regulator
Preliminary specification
TDA3662
CHARACTERISTICS
VP = 14.4 V; Tamb = 25 °C; measured with test circuit (see Fig.4); unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply voltage: pin VP
VP
supply voltage
TDA3662
TDA3662AT
Iq
quiescent supply current
Regulator output: pin REG; note 2
regulator operating; note 1
3
3
VP = 4.5 V; IREG = 0 mA
−
VP = 14.4 V; IREG = 0 mA
−
5.5 V ≤ VP ≤ 22 V; IREG = 10 mA −
5.5 V ≤ VP ≤ 22 V; IREG = 50 mA −
14.4 45 V
14.4 45 V
10 −
µA
15 30 µA
0.2 0.5 mA
1.4 2.5 mA
VREG
output voltage
VREG(drop) dropout voltage
VREG(stab) long-term stability
∆VREG(line) line regulation voltage
∆VREG(load) load regulation voltage
SVRR
supply voltage ripple rejection
IREG(crl)
ILO(rp)
current limit
output leakage current at
reverse polarity
7.5 V ≤ VP ≤ 22 V;
IREG = 0.5 mA
0.5 mA ≤ IREG ≤ 100 mA
5.5 V ≤ VP ≤ 22 V;
IREG = 0.5 mA
VP = 2.5 V; IREG = 50 mA;
Tamb ≤ 85 °C
6.5 V ≤ VP ≤ 22 V;
IREG = 0.5 mA
6.5 V ≤ VP ≤ 22 V;
IREG = 0.5 mA
0.5 mA ≤ IREG ≤ 50 mA
fi = 120 Hz;
Vi(ripple) = 1 V (RMS);
IREG = 0.5 mA
VREG > 2.5 V
VP = −15 V; VREG ≤ 0.3 V
2.84 3.0 3.16 V
2.81 3.0
2.81 3.0
3.19 V
3.19 V
−
0.18 0.3 V
−
20 −
mV/1000 h
−
1
30 mV
−
1
50 mV
−
10 50 mV
50
60 −
dB
0.17 0.25 −
A
−
1
500 µA
Notes
1. The regulator output will follow VP if VP < VREG + VREG(drop).
2. Limiting values as applicable for both device types: VP ≤ 45 V and −40 °C ≤ Tamb ≤ +125 °C.
2000 Apr 26
6