L7912ACV STMicroelectronics, L7912ACV Datasheet - Page 8

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

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

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