Datasheet

2003 Nov 28 10
Philips Semiconductors Product specification
Multiple voltage regulators with switch TDA3608Q; TDA3608TH
V
thf
falling threshold
voltage
1.7 1.9 2.2 V
V
hys
hysteresis voltage − 4.6 − V
Schmitt trigger voltage for enable input (regulator 1, regulator 3 and power switch)
V
thr
rising threshold
voltage
1.7 2.2 2.7 V
V
thf
falling threshold
voltage
1.5 2.0 2.5 V
V
hys
hysteresis voltage I
REG
=I
SW
= 1 mA 0.1 0.2 0.5 V
I
LI
input leakage current V
EN
=5V 1 5 10 µA
Schmitt trigger voltage for reset
V
thr
rising threshold
voltage of regulator 2
V
P
rising; I
REG2
= 50 mA; note 3 − V
REG2
− 0.15 V
REG2
− 0.075 V
V
thf
falling threshold
voltage of regulator 2
V
P
falling; I
REG2
= 50 mA; note 3 4.3 V
REG2
− 0.35 − V
V
hys
hysteresis voltage 0.1 0.2 0.3 V
Schmitt trigger voltage for hold
V
thr
rising threshold
voltage of regulator 1
V
P
rising; note 3 − V
REG1
− 0.15 V
REG1
− 0.075 V
V
thf
falling threshold
voltage of regulator 1
V
P
falling; note 3 7.7 V
REG1
− 0.35 − V
V
hys
hysteresis voltage 0.1 0.2 0.3 V
Reset and hold output
I
sinkL
LOW-level sink
current
V
o
≤ 0.8 V 2 −−mA
I
LO
output leakage
current
V
o
=5V; V
P
= 14.4 V −− 2 µA
t
r
rise time note 4 − 750µs
t
f
fall time note 4 − 150µs
Reset delay capacitor circuit
I
ch
charge current 2 3 4 µA
I
dch
discharge current 500 800 −µA
V
thr(res)
rising threshold
voltage for delayed
reset pulse
2.8 3.0 3.2 V
V
thr(sw)
rising threshold
voltage for delayed
power switch foldback
mode
note 5 − 6.4 − V
t
d(res)
reset delay time C7 = 47 nF; note 6 32 47 70 ms
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT