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HC5549_14 Datasheet, PDF (4/13 Pages) Intersil Corporation – Low Power SLIC with Battery Switch
HC5549
Electrical Specifications
Unless Otherwise Specified, TA = -40°C to 85°C, VBL = -24V, VBH = -48V, VCC = +5V, AGND = BGND = 0V, loop
current limit = 25mA. All AC Parameters are specified at 600Ω 2-wire terminating impedance over the frequency
band of 300Hz to 3.4kHz. Protection resistors = 0Ω. (Continued)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
DC PARAMETERS
Loop Current Limit Programming Range
Max Low Battery = -52V, BSEL = 0
15
-
45
mA
Loop Current Accuracy
Loop Current During Low Power Standby
IL = 25mA, BSEL = 0
Forward polarity only.
-
-
± 10
%
17
-
26
mA
Open Circuit Voltage
(|Tip - Ring|)
BSEL = 0
BSEL = 1
14
15.5
17
V
37.5
40
42.5
V
Low Power Standby Open Circuit Voltage (Tip - Ring) BSEL = 1
43
45
47
V
Ring Trip Programming Current Accuracy
-
-
± 10
%
Ring Trip Comparator Threshold
2.3
2.6
2.9
V
Switch Hook Programming Range
5
-
15
mA
Switch Hook Programming Accuracy
-
-
10
%
Dial Pulse Distortion
-
1
-
%
Ground Key Threshold
-
12
-
mA
Thermal Alarm Output
IC junction temperature
-
175
-
°C
RELAY DRIVER
On Voltage
LOGIC INPUTS (F0, F1, F2, E0, SWC)
IL = 45 mA
-
-
0.60
V
Input Low Voltage
-
-
0.8
V
Input High Voltage
2.0
-
-
V
Input Low Current
Input High Current
LOGIC OUTPUTS (DET, ALM)
VIL = 0.4V
VIH = 2.4V
-20
-
-
-
-
µA
5
µA
Output Low Voltage
IOL = 5mA
-
-
0.4
V
Output High Voltage
IOH = 100µA
2.4
-
-
V
SUPPLY CURRENTS (Supply currents not listed are considered negligible and do not contribute significantly to total power dissipation. All
measurements made under open circuit load conditions.)
Low Power Standby
Forward or Reverse (Note 5)
Forward
Power Denial
Forward Lookback
ICC
IBH, BSEL = 1
ICC
IBL, BSEL = 0
ICC
IBL, BSEL = 1
IBH, BSEL = 1
ICC
IBL, BSEL = 1 or 0
ILL
IBL, VBL = -24V
2.0
3.7
6.0
mA
-
0.375 0.600 mA
2.5
4.0
6.0
mA
-
1.0
2.5
mA
3.5
4.5
8.0
mA
-
0.7
2.0
mA
-
1.0
2.5
mA
0.5
3.0
6.0
mA
-
0.2
0.5
mA
-
-
10.0 mA
-
-
25.0 mA
4
FN4539.3