LM2990T-12/NOPB National Semiconductor, LM2990T-12/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM2990T-12/NOPB
• Description: IC REGULATOR NEG LDO TO220-3
• Manufacturer: National Semiconductor
• Type: Regulatorr

Specifications of LM2990T-12/NOPB

• Regulator Topology: Negative Fixed
• Voltage - Output: -12V
• Voltage - Input: Down to -26V
• Voltage - Dropout (typical): 0.6V @ 1A
• Number Of Regulators: 1
• Current - Output: 1.8A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Current, Output: 1 A
• Current, Supply: 9 mA
• Package Type: TO-220
• Regulation, Line: 6 V
• Regulation, Load: 3 V
• Regulator Type: Low Dropout, Negative Voltage Out
• Resistance, Thermal, Junction To Case: 3 °C/W
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Dropout: 0.6 V
• Voltage, Input: -26 V
• Voltage, Noise: 500 μV
• Voltage, Output: 12 V
• Number Of Outputs: 1
• Polarity: Negative
• Input Voltage Max: 0.3 V
• Output Voltage: - 12 V
• Output Type: Fixed
• Dropout Voltage (max): 0.3 V at 100 mA
• Output Current: 1.8 A (Typ)
• Line Regulation: 60 mV
• Load Regulation: 50 mV
• Voltage Regulation Accuracy: +/- 5 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM2990T-12; *LM2990T-12/NOPB; LM2990T-12

Output Voltage (V
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current (I
Short Circuit Current
Maximum Output Current
Ripple Rejection
Output Noise Voltage
Long Term Stability
Output Voltage (V
Line Regulation
Load Regulation
Dropout Voltage
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
V
ing temperature range, −40˚C ≤ T
Electrical Characteristics
V
ing temperature range, −40˚C ≤ T
Input Voltage
ESD Susceptibility (Note 2)
Power Dissipation (Note 3)
Junction Temperature (T
Storage Temperature
IN
IN
= −5V + V
= −5V + V
Parameter
Parameter
O(NOM)
O(NOM)
O
O
)
)
q
)
(Note 6) , I
(Note 6) , I
Jmax
5 mA ≤ I
5 mA ≤ I
I
V
50 mA ≤ I
I
I
I
I
R
(Note 7)
V
ƒ
10 Hz–100 kHz, I
1000 Hours
5 mA ≤ I
5 mA ≤ I
I
V
50 mA ≤ I
I
I
O
O
O
O
O
O
O
O
ripple
O(NOM)
ripple
O(NOM)
L
)
= 5 mA,
= 0.1A, ∆V
= 1A, ∆V
≤ 1A
= 1A, V
= 5 mA,
= 0.1A, ∆V
= 1A, ∆V
= 1Ω (Note 7)
O
O
J
= 1 kHz, I
J
= 1 V
= 1A, C
= 1A, C
≤ 125˚C, all other limits apply for T
≤ 125˚C, all other limits apply for T
O
O
O
O
−1V
−1V
Conditions
O
Conditions
O
IN
≤ 1A
≤ 1A
≤ 1A
≤ 1A
O
O
≤ 1A
rms
≤ 1A
= V
O
O
>
>
≤ 100 mV
≤ 100 mV
Internally Limited
−65˚C to +150˚C
,
O
O
≤ 100 mV
≤ 100 mV
V
O
V
O(NOM)
−26V to +0.3V
= 47 µF, unless otherwise specified. Boldface limits apply over the entire operat-
= 47 µF, unless otherwise specified. Boldface limits apply over the entire operat-
IN
O
IN
= 5 mA
(Note 1)
= 5 mA
>
>
−26V
−26V
125˚C
2 kV
(Note 4)
(Note 4)
3
2000
Typ
Typ
250
−12
0.1
0.6
1.8
1.8
0.1
0.6
−5
58
4
1
1
9
6
3
Operating Ratings
Lead Temperature
Junction Temperature Range (T
Maximum Input Voltage
(Operational)
LM2990-5.0
LM2990-12
(Soldering, 10 sec.)
J
J
= 25˚C.
= 25˚C.
(Note 5)
(Note 5)
−11.76
−12.24
−11.40
−12.60
−4.90
−5.10
−4.75
−5.25
Limit
Limit
750
0.3
1.5
1.5
0.3
40
40
50
50
60
50
1
5
1
(Note 4)
(Note 4)
2000
−5.2
Typ
Typ
−15
250
0.1
0.6
1.8
1.8
0.1
0.6
58
4
1
1
9
6
3
LM2990-5.2
LM2990-15
(Note 1)
J
)
(Note 5)
(Note 5)
−14.70
−15.30
−14.25
−15.75
−5.10
−5.30
−4.94
−5.46
Limit
Limit
750
0.3
1.5
1.5
0.3
40
40
50
50
60
50
1
5
1
−40˚C to +125˚C
mV (max)
mV (max)
mA (max)
mA (max)
mV (max)
mV (max)
mV (min)
µV (max)
dB (min)
V (max)
V (max)
V (max)
V (max)
V (max)
V (max)
V (max)
V (max)
V (min)
A (min)
A (min)
V (min)
V (min)
(Limit)
(Limit)
260˚C
Units
Units
ppm
−26V
V
V