L7908CV STMicroelectronics, L7908CV Datasheet - Page 7

• Manufacturer Part Number: L7908CV
• Description: IC REG NEG VOLT 8V TO-220
• Manufacturer: STMicroelectronics

Specifications of L7908CV

• Regulator Topology: Negative Fixed
• Voltage - Output: -8V
• 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: - 8 V
• Output Current: 0.5 A
• Line Regulation: 160 mV
• Load Regulation: 160 mV
• Dropout Voltage (max): 1.1 V
• Input Voltage Max: - 35 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Primary Input Voltage: -14V
• Output Voltage Fixed: -8V
• Dropout Voltage Vdo: 1.1V
• No. Of Pins: 3
• Voltage Regulator Case Style: TO-220
• Operating Temperature Range: 0°C To +150°C
• Rohs Compliant: Yes
• Dc: 9748
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1474-5

L79xxC
5
Table 4.
1. Load and line regulation are specified at constant junction temperature. Changes in V
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
Electrical characteristics
Refer to the test circuits, T
unless otherwise specified.
Electrical characteristics of L7905C
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
= -8 to -20 V
= -7 to -25 V, T
= -8 to -12 V, T
= -8 to -25 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
J
= 25°C
= 25°C
O
J
J
I
= 25°C
≤ 15 W
J
O
= 25°C
= -10 V, I
= 25°C
= 100 mV
O
= 500 mA, C
O
due to heating effects must be
-4.75
Min.
-4.8
54
Electrical characteristics
I
= 2.2 µF, C
Typ.
-0.4
100
1.4
2.1
60
-5
-5
Max.
-5.25
-5.2
100
100
0.5
1.3
50
50
3
O
= 1 µF
mV/°C
Unit
mV
mV
mA
mA
µV
dB
V
V
V
A
7/25