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UA7905CKCS датащи(PDF) 3 Page - Texas Instruments

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номер детали UA7905CKCS
подробное описание детали  NEGATIVE-VOLTAGE REGULATORS
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µA7900 SERIES
NEGATIVEVOLTAGE REGULATORS
SLVS058D − JUNE 1976 − REVISED APRIL 2004
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, VI = −10 V, IO = 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TJ†
µA7905C
UNITS
PARAMETER
TEST CONDITIONS
TJ†
MIN
TYP
MAX
UNITS
25
°C
−4.8
−5
−5.2
Output voltage‡
IO = 5 mA to 1 A,
P
≤ 15 W
VI = −7 V to −20 V,
0
°C to 125°C
−4.75
−5.25
V
Input regulation
VI = −7 V to −25 V
12.5
50
mV
Input regulation
VI = −8 V to −12 V
4
15
mV
Ripple rejection
VI = −8 V to −18 V,
f = 120 Hz
0
°C to 125°C
54
60
dB
Output regulation
IO = 5 mA to 1.5 A
15
100
mV
Output regulation
IO = 250 mA to 750 mA
5
50
mV
Temperature coefficient of output voltage
IO = 5 mA
0
°C to 125°C
−0.4
mV/
°C
Output noise voltage
f = 10 Hz to 100 kHz
25
°C
125
µV
Dropout voltage
IO = 1 A
25
°C
1.1
V
Bias current
25
°C
1.5
2
mA
Bias current change
VI = −7 V to −25 V
0.15
0.5
mA
Bias current change
IO = 5 mA to 1 A
0.08
0.5
mA
Peak output current
25
°C
2.1
A
† Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must
be taken into account separately. All characteristics are measured with a 2-
µF capacitor across the input and a 1-µF capacitor across the output.
‡ This specification applies only for dc power dissipation permitted by absolute maximum ratings.
electrical characteristics at specified virtual junction temperature, VI = −11 V, IO = 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TJ†
µA7906C
UNITS
PARAMETER
TEST CONDITIONS
TJ†
MIN
TYP
MAX
UNITS
25
°C
−5.75
−6
−6.25
Output voltage‡
IO = 5 mA to 1 A,
P
≤ 15 W
VI = −8 V to −21 V,
0
°C to 125°C
−5.7
−6.3
V
Input regulation
VI = −8 V to −25 V
12.5
120
mV
Input regulation
VI = −9 V to −13 V
4
60
mV
Ripple rejection
VI = −9 V to −19 V,
f = 120 Hz
0
°C to 125°C
54
60
dB
Output regulation
IO = 5 mA to 1.5 A
15
120
mV
Output regulation
IO = 250 mA to 750 mA
5
60
mV
Temperature coefficient of output voltage
IO = 5 mA
0
°C to 125°C
−0.4
mV/
°C
Output noise voltage
f = 10 Hz to 100 kHz
25
°C
150
µV
Dropout voltage
IO = 1 A
25
°C
1.1
V
Bias current
25
°C
1.5
2
mA
Bias current change
VI = −8 V to −25 V
0.15
1.3
mA
Bias current change
IO = 5 mA to 1 A
0.08
0.5
mA
Peak output current
25
°C
2.1
A
† Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must
be taken into account separately. All characteristics are measured with a 2-
µF capacitor across the input and a 1-µF capacitor across the output.
‡ This specification applies only for dc power dissipation permitted by absolute maximum ratings.


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