TDA3668 データシートの表示（PDF） - Philips Electronics
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TDA3668
Philips Electronics
TDA3668 Datasheet PDF : 16 Pages
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Philips Semiconductors
Very low dropout voltage/quiescent current
5 V regulator with overvoltage switch off
Preliminary specification
TDA3668AT
CHARACTERISTICS
VP = 14.4 V; Tamb = 25 °C; measured in test circuit of Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply voltage: pin VP
VP
supply voltage
Iq
quiescent current
Regulator output: pin REG; note 2
regulator operating; note 1
load dump; tf ≤ 50 ms; tr ≥ 2.5 ms
overvoltage protection; regulator
switched off
VP = 4.5 V; IREG = 0 mA
VP = 14.4 V; IREG = 0 mA
6 V ≤ VP ≤ 22 V; IREG = 10 mA
6 V ≤ VP ≤ 22 V; IREG = 50 mA
3
14.4 24 V
−
−
50 V
24 28 −
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
long-term stability voltage
line input regulation voltage
load output regulation
voltage
supply voltage ripple
rejection
current limit
output leakage current at
reverse polarity
8 V ≤ VP ≤ 22 V; IREG = 0.5 mA
6 V ≤ VP ≤ 24 V; IREG = 0.5 mA;
Tamb ≤ 125 °C
0.5 mA ≤ IREG ≤ 100 mA;
Tamb ≤ 125 °C
VP = 4.5 V; IREG = 50 mA;
Tamb ≤ 85 °C
8 V ≤ VP ≤ 22 V; IREG = 0.5 mA
7 V ≤ VP ≤ 22 V; IREG = 0.5 mA;
Tamb ≤ 85 °C
0.5 mA ≤ IREG ≤ 50 mA;
Tamb ≤ 125 °C
fP(ripple) = 120 Hz; VP(ripple)(rms) = 1 V;
IREG = 0.5 mA
VREG > 4.5 V
VP = −15 V; VREG ≤ 0.3 V
4.8
4.75
4.75
−
−
−
−
−
50
0.17
−
5.0
5.0
5.0
0.18
20
1
1
10
60
0.25
1
5.2
5.25
5.25
0.3
−
30
50
50
−
−
500
V
V
V
V
mV/1000 h
mV
mV
mV
dB
A
µA
Notes
1. The regulator output will follow VP if VP < VREG + VREG(drop).
2. Limiting values as applicable for device type: VP ≤ 50 V and −40 °C ≤ Tamb ≤ +125 °C.
2000 Feb 01
5
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