LM7912CT Fairchild Semiconductor, LM7912CT Datasheet - Page 2
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LM7912CT
Manufacturer Part Number
LM7912CT
Description
IC VREG 1A NEG 12V 3TERM TO-220
Manufacturer
Fairchild Semiconductor
Datasheet
1.LM7915CT.pdf
(15 pages)
Specifications of LM7912CT
Regulator Topology
Negative Fixed
Voltage - Output
-12V
Voltage - Input
Down to -35V
Voltage - Dropout (typical)
2V @ 1A
Number Of Regulators
1
Current - Output
1A
Operating Temperature
0°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-3 (Straight Leads)
Output Voltage
12 V
Output Current
1 A
Input Voltage
35 V
Operating Temperature Range
0 C to + 125 C
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
LM7912CTFS
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM7912CT
Manufacturer:
FSC
Quantity:
2 000
Part Number:
LM7912CT
Manufacturer:
NS/国半
Quantity:
20 000
LM79XX
Absolute Maximum Ratings
Note:
1. Thermal resistance test board
2. Assume no ambient airflow
Electrical Characteristics (LM7905)
(V
Note
3. Load and line regulation are specified at constant junction temperature. Changes in V
2
Parameter
Input Voltage
Thermal Resistance Junction-Case (Note1)
Thermal Resistance Junction-Air (Note1, 2)
Operating Temperature Range
Storage Temperature Range
Parameter
Output Voltage
Line Regulation (Note3)
Load Regulation (Note3)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of V
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
I
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
into account separately. Pulse testing with low duty is used.
= -10V, I
O
= 500mA, 0°C ≤T
D
J
≤ +125°C, C
Symbol
ΔVo/ΔT
ΔV
ΔV
ΔI
RR
I
I
V
V
V
I
SC
PK
Q
O
N
D
Q
O
O
I
T
I
V
T
T
I
T
I
T
I
V
I
f = 10Hz to 100kHz
T
f = 120Hz
ΔV
T
I
T
T
=2.2μF, C
O
O
O
O
O
O
J
J
J
J
J
A
J
J
J
I
I
= -7V to -20V
= -8V to -25V
= 5mA to 1A, P
= 5mA to 1.5A
= 250mA to 750mA
= 5mA to 1A
= 5mA
I
= 1A
= +25°C
= +25°C
= +25°C
=+25°C
=+25°C
= +25°C
=+25°C, V
=+25°C
=+25°C
= 10V
O
Conditions
=1μF, unless otherwise specified.)
I
Symbol
= -35V
T
T
R
R
OPR
STG
V
θJC
θJA
V
V
O ≤
I
I
I
= -8V to -12V
= -7V to -25V
15W
O
-65 ~ +150
0 ~ +125
due to heating effects must be taken
Value
-4.75
-35
Min.
-4.8
65
5
54
-
-
-
-
-
-
-
-
-
-
-
-
Typ.
0.05
- 0.4
-5.0
-5.0
300
0.1
2.2
35
10
40
60
8
3
3
2
Max.
-5.25
-5.2
100
100
0.5
0.8
50
50
6
-
-
-
-
-
-
°C/W
Unit
°C
°C
V
mV/°C
Unit
mV
mV
mA
mA
mA
μV
dB
V
V
A