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3.3 - 2
3.3
COM7900T Series
ELECTRICAL CHARACTERISTICS
-5 Vo
l
t
V
IN = -10V, Io = 500mA, -55°C
T
A
125°C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Output Voltage
V
OUT
T
A = 25°C
-4.9-5.1V
V
IN = -7.5V to -20V
•
-4.8-5.2V
Line Regulation
V
RLINE
V
IN = -7.5V to -20V
12
m V
(Note 1)
•
25
m V
V
IN = -8.0V to -12V
5
m V
•
12
m V
Load Regulation
V
RLOAD
I
O = 5mA to 1.5 Amp
20
m V
(Note 1)
•
25
m V
I
O = 250mA to 750 mA
15
m V
•
30
m V
Standby Current Drain
I
SCD
2.5
m A
•
3.0
m A
Standby Current Drain
DI
SCD
V
IN = -7.0V to -20V
•
0.4
m A
Change With Line
(Line)
Standby Current Drain
DI
SCD
I
O = 5mA to 1000mA
•
0.4
m A
Change With Load
(Load)
Dropout Voltage
V
DO
DV
OUT = 100mV, IO = 1.0A
•
2.5
V
Peak Output Current
I
O (pk)
T
A = 25°C
1.5
3.3
A
Short Circuit Current
I
DS
V
IN = -35V
1.2
A
(Note 2)
•
2.8
A
Ripple Rejection
DV
IN
f =120 Hz, DV
IN = -10V
63
dB
DV
OUT
(Note 3)
•
60
dB
Output Noise Voltage
N
O
T
A = 25°C, f =10 Hz to 100KHz
40
µV/V
(Note 3)
RMS
Long Term Stability
DV
OUT
T
A = 25°C, t = 1000 hrs.
75
m V
(Note 3)
Dt
ELECTRICAL CHARACTERISTICS
-12 Volt
V
IN = -19V,
I
o = 500mA, -55°C
T
A
125°C (unless otherwise specified)
Parameter
Symbol
Test Conditions
Min.
Max.
Unit
Output Voltage
V
OUT
T
A = 25°C
-11.76
-12.24
V
V
IN = -14.5V to -27V
•
-11.6
-12.4
V
Line Regulation
V
RLINE
V
IN = -14.5V to -27V
20
m V
(Note 1)
•
50
m V
V
IN = -16V to -22V
10
m V
•
30
m V
Load Regulation
V
RLOAD
I
O = 5mA to 1.5 Amp
32
m V
(Note 1)
•
60
m V
I
O = 250mA to 750 mA
16
m V
•
30
m V
Standby Current Drain
I
SCD
3.5
m A
•
4.0
m A
Standby Current Drain
DI
SCD
V
IN = -14.5V to -27V
•
0.8
m A
Change With Line
(Line)
Standby Current Drain
DI
SCD
I
O = 5mA to 1000mA
•
0.5
m A
Change W ith Load
(Load)
Dropout Voltage
V
DO
DV
OUT = 100mV,
I
O = 1.0A
•
1.8
V
Peak Output Current
I
O (pk)
T
A = 25°C, IO = 5mA to 1A
1.5
3.3
A
Short Circuit Current
I
DS
V
IN = -35V
1.2
A
(Note 2)
•
2.8
A
Ripple Rejection
DV
IN
f =120 Hz, DV
IN = -10V
56
dB
DV
OUT
(Note 3)
•
53
dB
Output Noise Voltage
N
O
T
A = 25°C, f =10 Hz to 100KHz
40
µV/V
(Note 3)
RMS
Long Term Stability
DV
OUT
T
A = 25°C, t = 1000 hrs.
120
m V
(Note 3)
Dt
Notes:
1
. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.
Changes in output voltage due to heating effects must be taken into account separately.
2
. Short Circuit protection is only assured up to V
IN = -35V.
3
. If not tested, shall be guaranteed to the specified limits.
The • denotes the specifications which apply over the full operating temperature range.
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