TDA3608THQ Ver la hoja de datos (PDF) - Philips Electronics
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TDA3608THQ Datasheet PDF : 22 Pages
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Philips Semiconductors
Multiple voltage regulators with switch
Product specification
TDA3608Q; TDA3608TH
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
Vthf
falling threshold
voltage
1.7 1.9
Vhys
hysteresis voltage
−
4.6
Schmitt trigger voltage for enable input (regulator 1, regulator 3 and power switch)
Vthr
rising threshold
voltage
1.7 2.2
Vthf
falling threshold
voltage
1.5 2.0
Vhys
hysteresis voltage
IREG = ISW = 1 mA
ILI
input leakage current VEN = 5 V
0.1 0.2
1
5
Schmitt trigger voltage for reset
Vthr
rising threshold
VP rising; IREG2 = 50 mA; note 3 −
VREG2 − 0.15
voltage of regulator 2
Vthf
falling threshold
VP falling; IREG2 = 50 mA; note 3 4.3
VREG2 − 0.35
voltage of regulator 2
Vhys
hysteresis voltage
0.1 0.2
Schmitt trigger voltage for hold
Vthr
rising threshold
VP rising; note 3
voltage of regulator 1
−
VREG1 − 0.15
Vthf
falling threshold
VP falling; note 3
voltage of regulator 1
7.7
VREG1 − 0.35
Vhys
hysteresis voltage
0.1 0.2
Reset and hold output
IsinkL
LOW-level sink
current
Vo ≤ 0.8 V
2
−
ILO
output leakage
Vo = 5 V; VP = 14.4 V
current
−
−
tr
rise time
tf
fall time
note 4
note 4
−
7
−
1
Reset delay capacitor circuit
Ich
Idch
Vthr(res)
charge current
discharge current
rising threshold
voltage for delayed
reset pulse
2
3
500 800
2.8 3.0
Vthr(sw)
rising threshold
voltage for delayed
power switch foldback
mode
note 5
−
6.4
td(res)
reset delay time
C7 = 47 nF; note 6
32
47
MAX.
2.2
−
UNIT
V
V
2.7
V
2.5
V
0.5
V
10
µA
VREG2 − 0.075 V
−
V
0.3
V
VREG1 − 0.075 V
−
V
0.3
V
−
mA
2
µA
50
µs
50
µs
4
µA
−
µA
3.2
V
−
V
70
ms
2003 Nov 28
10
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