LM2990T-12/NOPB National Semiconductor, LM2990T-12/NOPB Datasheet - Page 3

• 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
temperature range, −40°C
Electrical Characteristics
V
temperature range, −40°C
Input Voltage
ESD Susceptibility
Power Dissipation
Junction Temperature (T
IN
IN
= −5V + V
= −5V + V
Parameter
Parameter
O(NOM)
O(NOM)
O
O
)
)
q
)
(Note
(Note
(Note
(Note
Jmax
3)
2)
6) , I
≤
6) , I
≤
5 mA
5 mA
I
V
50 mA
I
I
I
I
R
(Note
V
ƒ
10 Hz–100 kHz, I
1000 Hours
5 mA
5 mA
I
V
50 mA
I
I
O
O
O
O
O
O
O
O
T
T
)
ripple
O(NOM)
ripple
O(NOM)
L
J
J
= 5 mA,
= 0.1A, ΔV
= 1A, ΔV
≤
= 1A, V
= 5 mA,
= 0.1A, ΔV
= 1A, ΔV
= 1Ω
O
O
≤
≤
1A
= 1A, C
= 1A, C
≤
≤
= 1 kHz, I
≤
≤
125°C, all other limits apply for T
125°C, all other limits apply for T
7)
= 1 V
≤
≤
I
I
I
I
−1V > V
−1V > V
O
O
(Note
O
O
I
I
O
IN
O
≤
≤
≤
≤
Conditions
Conditions
O
rms
O
≤
≤
= V
O
O
1A
1A
1A
1A
O
≤
O
≤
1A
,
1A
Internally Limited
= 47 μF, unless otherwise specified. Boldface limits apply over the entire operating
= 47 μF, unless otherwise specified. Boldface limits apply over the entire operating
7)
≤
≤
O
100 mV
O(NOM)
100 mV
IN
IN
−26V to +0.3V
= 5 mA
O
100 mV
100 mV
> −26V
> −26V
= 5 mA
(Note
125°C
1)
2 kV
3
(Note
(Note
J
2000
J
Typ
Typ
−12
250
0.1
0.6
1.8
1.8
0.1
0.6
−5
Operating Ratings
58
= 25°C.
= 25°C.
4
1
1
9
6
3
Storage Temperature
Soldering Temperature
Junction Temperature Range (T
Maximum Input Voltage (Operational)
LM2990-5.0
LM2990-12
TO-220 (T), Wave
TO-263 (S)
4)
4)
(Note
(Note
−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
5)
5)
(Note
(Note
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
4)
4)
(Note
J
)
1)
(Note
(Note
−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
−65°C to +150°C
−40°C to +125°C
5)
5)
260°C, 10 sec
235°C, 30 sec
www.national.com
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)
Units
Units
ppm
−26V
V
V