L7912ACV STMicroelectronics, L7912ACV Datasheet - Page 8

IC REG NEGATIVE 12V TO-220

L7912ACV

Manufacturer Part Number
L7912ACV
Description
IC REG NEGATIVE 12V TO-220
Manufacturer
STMicroelectronics
Datasheet

Specifications of L7912ACV

Regulator Topology
Negative Fixed
Voltage - Output
-12V
Voltage - Input
Down to -35V
Voltage - Dropout (typical)
1.1V @ 1A
Number Of Regulators
1
Current - Output
1.5A
Operating Temperature
0°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-3 (Straight Leads)
Polarity
Negative
Number Of Outputs
1
Output Type
Fixed
Output Voltage
- 12 V
Output Current
500 mA
Line Regulation
240 mV
Load Regulation
240 mV
Dropout Voltage (max)
1.1 V
Input Voltage Max
- 19 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Voltage Regulation Accuracy
2 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-1475-5

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Electrical characteristics
Table 5.
1. Load and line regulation are specified at constant junction temperature. Changes in V
8/22
Symbol
ΔV
ΔV
ΔV
SVR
taken into account separately. Pulse testing with low duty cycle is used.
I
ΔI
V
V
eN
V
I
O
scp
I
sc
O
O
d
O
O
/ΔT
d
d
(1)
(1)
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Supply voltage rejection
Dropout voltage
Short circuit current
Short circuit peak current
Refer to the test circuits, T
unless otherwise specified.
Electrical characteristics of L7912AC
Parameter
T
I
V
V
V
I
I
I
V
I
B = 10Hz to 100kHz, T
ΔV
I
T
T
O
O
O
O
O
O
J
J
J
I
I
I
I
= -15.5 to -27 V
= -14.5 to -30 V, T
= -16 to -22 V, T
= -15 to -30 V
= -5 mA to -1 A, P
= 5 mA to 1.5 A, T
= 250 to 750 mA, T
= 5 mA to 1 A
= 5 mA
I
= 1 A, T
J
= 25°C
= 25°C
= 25°C
= 10 V, f = 120Hz
= 0 to 125 °C, V
Doc ID 2150 Rev 11
J
Test conditions
= 25°C, ΔV
J
= 25°C
J
O
J
J
= 25°C
I
= 25°C
≤ 15 W
J
O
= 25°C
= -19 V, I
= 25°C
= 100 mV
O
= 500 mA, C
O
due to heating effects must be
-11.75
-11.5
Min.
54
I
= 2.2 µF, C
Typ.
-0.8
200
-12
-12
1.1
1.5
2.5
60
-12.25
-12.5
Max.
240
120
240
120
0.5
3
1
O
L79xxAC
= 1 µF
mV/°C
Unit
mV
mV
mA
mA
µV
dB
V
V
V
A
A

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