參數(shù)資料
型號： L7918C
廠商： 意法半導體
元件分類： 基準電壓源/電流源
英文描述： Negative Voltage Regulator(輸出負電壓穩(wěn)壓器)
中文描述： 負電壓穩(wěn)壓器（輸出負電壓穩(wěn)壓器）
文件頁數(shù)： 8/24頁
文件大小： 822K
代理商： L7918C
Electrical characteristics
L79xxC
8/24
Electrical characteristics of L7908C
(refer to the test circuits, T
J
= 0 to 125 °C, V
I
= -14 V,
I
O
= 500 mA, C
I
= 2.2 μF, C
O
= 1 μF unless otherwise specified)
Parameter
Test conditions
Table 5.
Electrical characteristics of L7906C
(refer to the test circuits, T
J
= 0 to 125 °C, V
I
= -11 V,
I
O
= 500 mA, C
I
= 2.2 μF, C
O
= 1 μF unless otherwise specified)
Parameter
Test conditions
Symbol
Min.
Typ.
Max.
Unit
V
O
Output voltage
T
J
= 25°C
I
O
= -5 mA to -1 A, P
O
≤
15 W
V
I
= -9.5 to -21.5 V
-5.75
-6
-6.25
V
V
O
Output voltage
-5.7
-6
-6.3
V
Δ
V
O(1)
Line regulation
V
I
= -8.5 to -25 V, T
J
= 25°C
120
mV
V
I
= -9 to -15 V, T
J
= 25°C
60
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
120
mV
I
O
= 250 to 750 mA, T
J
= 25°C
60
I
d
Quiescent current
T
J
= 25°C
3
mA
Δ
I
d
Quiescent current change
I
O
= 5 mA to 1 A
0.5
mA
V
I
= -9.5 to -25 V
1.3
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
-0.6
mV/°C
eN
Output noise voltage
B = 10Hz to 100KHz, T
J
= 25°C
Δ
V
I
= 10 V, f = 120Hz
I
O
= 1 A, T
J
= 25°C,
Δ
V
O
= 100 mV
144
μV
SVR
Supply voltage rejection
54
60
dB
V
d
Dropout voltage
1.4
V
I
sc
Short circuit current
2
A
1.
Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
Table 6.
Symbol
Min.
Typ.
Max.
Unit
V
O
Output voltage
T
J
= 25°C
I
O
= -5 mA to -1 A, P
O
≤
15 W
V
I
= -11.5 to -23 V
-7.7
-8
-8.3
V
V
O
Output voltage
-7.6
-8
-8.4
V
Δ
V
O(1)
Line regulation
V
I
= -10.5 to -25 V, T
J
= 25°C
160
mV
V
I
= -11 to -17 V, T
J
= 25°C
80
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
160
mV
I
O
= 250 to 750 mA, T
J
= 25°C
80
I
d
Quiescent current
T
J
= 25°C
3
mA
Δ
I
d
Quiescent current change
I
O
= 5 mA to 1 A
0.5
mA
V
I
= -11.5 to -25 V
1
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
-0.6
mV/°C
eN
Output noise voltage
B = 10Hz to 100KHz, T
J
= 25°C
Δ
V
I
= 10 V, f = 120Hz
I
O
= 1 A, T
J
= 25°C,
Δ
V
O
= 100 mV
175
μV
SVR
Supply voltage rejection
54
60
dB
V
d
Dropout voltage
1.1
V
I
sc
Short circuit current
1.5
A
1.
Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be
taken into account separately. Pulse testing with low duty cycle is used.
相關PDF資料
PDF描述
L7920C Negative Voltage Regulator(輸出負電壓穩(wěn)壓器)
L7922C Negative Voltage Regulator(輸出負電壓穩(wěn)壓器)
L79L05ABD13TR Negative voltage regulators
L79L05ABUTR Negative voltage regulators
L79L05ACD13TR Negative voltage regulators
相關代理商/技術參數(shù)
參數(shù)描述
L7918CD2T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:NEGATIVE VOLTAGE REGULATORS
L7918CD2T-TR 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Negative Fixed Voltage Regulator
L7918CP 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:NEGATIVE VOLTAGE REGULATORS
L7918CT 功能描述:線性穩(wěn)壓器 - 標準 18V 1.5A Negative RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L
L7918CV 功能描述:線性穩(wěn)壓器 - 標準 18V 1.5A Negative RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節(jié): 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*