L7912CV STMicroelectronics, L7912CV Datasheet - Page 10

• Manufacturer Part Number: L7912CV
• Description: IC REG NEG VOLT 12V TO-220
• Manufacturer: STMicroelectronics
• Type: Voltage Regulatorr

Specifications of L7912CV

• 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: + 150 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Current, Output: 1.5 A
• Current, Supply: 3 mA
• Package Type: TO-220
• Regulation, Line: 240 mV
• Regulation, Load: 240 mV
• Regulator Type: Negative Voltage Out
• Resistance, Thermal, Junction To Case: 3 °C/W
• Temperature, Operating, Range: 0 to +150 °C
• Voltage, Dropout: 1.1 V
• Voltage, Input: -19 V
• Voltage, Noise: 200 μV
• Voltage, Output: -12 V
• Voltage, Supply, Rejection Ratio: 60 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1476-5

Electrical characteristics
Table 7.
1. Load and line regulation are specified at constant junction temperature. Changes in V
10/25
Symbol
ΔV
ΔV
ΔV
SVR
taken into account separately. Pulse testing with low duty cycle is used.
ΔI
V
V
eN
V
I
O
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
Refer to the test circuits, T
unless otherwise specified.
Electrical characteristics of L7915C
Parameter
T
I
V
V
V
I
I
I
V
I
B = 10Hz to 100kHz, T
ΔV
I
T
O
O
O
O
O
O
J
J
I
I
I
I
= -18.5 to -30 V
= -17.5 to -30 V, T
= -20 to -26 V, T
= -18.5 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
= 10 V, f = 120Hz
= 0 to 125 °C, V
Doc ID 2149 Rev 19
J
Test conditions
= 25°C, ΔV
J
= 25°C
J
O
J
J
= 25°C
I
= 25°C
≤ 15 W
J
O
= 25°C
= -23 V, I
= 25°C
= 100 mV
O
= 500 mA, C
O
due to heating effects must be
-14.4
-14.3
Min.
54
I
= 2.2 µF, C
Typ.
-0.9
250
-15
-15
1.1
1.3
60
-15.7
Max.
-15.6
300
150
300
150
0.5
3
1
O
= 1 µF
L79xxC
mV/°C
Unit
mV
mV
mA
mA
µV
dB
V
V
V
A