TDA3665 查看數據表（PDF） - Philips Electronics
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TDA3665 Datasheet PDF : 20 Pages
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Philips Semiconductors
Very low dropout voltage/quiescent current
8.5 V voltage regulator
Preliminary specification
TDA3665
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
TDA3665
TDA3665AT
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
−
9.5 V ≤ VP ≤ 22 V; IREG = 10 mA −
9.5 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
VREG(drop)
VREG(stab)
∆VREG(line)
∆VREG(load)
SVRR
IREG(crl)
ILO(rp)
output voltage
dropout voltage
output voltage long-term stability
line input regulation voltage
load output regulation voltage
supply voltage ripple rejection
output current limit
output leakage current at
reverse polarity
11.5 V ≤ VP ≤ to 22 V;
IREG = 0.5 mA
0.5 mA ≤ IREG ≤ 100 mA;
Tamb ≤ 125 °C
9.5 V ≤ VP ≤ 45 V;
IREG = 0.5 mA; Tamb ≤ 125 °C
VP = 7.9 V; Tamb ≤ 85 °C;
IREG = 50 mA
10.5 V ≤ VP ≤ to 22 V;
IREG = 0.5 mA
10.5 V ≤ VP ≤ 45 V;
IREG = 0.5 mA; Tamb ≤ 125 °C
0.5 mA ≤ IREG ≤ 50 mA
fi = 120 Hz;
Vi(ripple) = 1 V (RMS);
IREG = 0.5 mA
VREG > 7.9 V
VP = −15 V; VREG ≤ 0.3 V
8.08 8.5 8.92 V
8.0 8.5 9.0 V
8.0 8.5 9.0 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 25
6
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