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LUCL7590CAE Datasheet PDF : 10 Pages
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Data Sheet
June 1998
L7590C Telephone Ringing Driver
Recommended Operating Conditions
Parameter
Ambient Temperature
VDD Supply Voltage
VNEG Supply Voltage
Min
Typ
Max
Unit
–40
—
85
°C
4.75
5.0
5.25
V
–170
—
–130
V
Electrical Characteristics
Electrical characteristics apply for 25 °C. Unless noted, VDD = +5 V, VNEG = –170 V, EN = low, L1 = 20 mH
(Rdc = 20 Ω, Ceff = 20 pF), CLK = 100 kHz. Positive currents flow into the device. Typical is defined as 25 °C.
Parameter
Power Supply—Idle (CLK = H or L, EN = high, dc):
IDD
INEG
Power Dissipation
Power Supply—Active, No Load:
IDD
INEG
Power Dissipation
Efficiency = {[(VOUT)2/RLOAD]/(VNEG • INEG)}:
Sinking Current, RLOAD = 1400 Ω Load to GND
Sourcing Current, RLOAD = 1400 Ω Load to VNEG
ON-resistance:
CLK = H, IOUT = –20 mA
CLK = L, IOUT = +20 mA
Current Limit
Min
Typ
Max
Unit
—
—
1
mA
—
—
–50
µA
—
—
13.5
mW
—
—
3
mA
—
–3.2
–8
mA
—
—
1.38
W
40
80
—
%
40
80
—
%
0
10
20
Ω
0
10
20
Ω
25
—
40
mApeak
Lucent Technologies Inc.
3
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