參數(shù)資料
型號： L79XXC
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 regulators
中文描述： 負電壓穩(wěn)壓器
文件頁數(shù)： 10/24頁
文件大小： 797K
代理商： L79XXC
Electrical characteristics
L79xxC
10/24
Electrical characteristics of L7918C
(refer to the test circuits, T
J
= 0 to 125 °C, V
I
= -27 V,
I
O
= 500 mA, C
I
= 2.2 μF, C
O
= 1 μF unless otherwise specified)
Parameter
Test conditions
Electrical characteristics of L7920C
(refer to the test circuits, T
J
= 0 to 125 °C, V
I
= -29 V,
I
O
= 500 mA, C
I
= 2.2 μF, C
O
= 1 μF unless otherwise specified)
Parameter
Test conditions
Table 9.
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
= -22 to -33 V
-17.3
-18
-18.7
V
V
O
Output voltage
-17.1
-18
-18.9
V
Δ
V
O(1)
Line regulation
V
I
= -21 to -33 V, T
J
= 25°C
360
mV
V
I
= -24 to -30 V, T
J
= 25°C
180
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
360
mV
I
O
= 250 to 750 mA, T
J
= 25°C
180
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
= -22 to -33 V
1
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
-1
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
300
μV
SVR
Supply voltage rejection
54
60
dB
V
d
Dropout voltage
1.1
V
I
sc
Short circuit current
1.1
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 10.
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
= -24 to -35 V
-19.2
-20
-20.8
V
V
O
Output voltage
-19
-20
-21
V
Δ
V
O(1)
Line regulation
V
I
= -23 to -35 V, T
J
= 25°C
400
mV
V
I
= -26 to -32 V, T
J
= 25°C
200
Δ
V
O(1)
Load regulation
I
O
= 5 mA to 1.5 A, T
J
= 25°C
400
mV
I
O
= 250 to 750 mA, T
J
= 25°C
200
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
= -24 to -35 V
1
Δ
V
O
/
Δ
T
Output voltage drift
I
O
= 5 mA
-1.1
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
350
μV
SVR
Supply voltage rejection
54
60
dB
V
d
Dropout voltage
1.1
V
I
sc
Short circuit current
0.9
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
L80N4LLF3 N-channel 40V - 0.0042ohm - 80A - PowerFLAT (6x5) STripFET Power MOSFET for DC-DC conversion
L8150 Brushless motor predriver
L8202 MULTIFUNCTION ANALOG ASIC
L9222 CAP CER 470PF 3.15KVDC R3 RAD
L9230 SPI CONTROLLED H-BRIDGE
相關代理商/技術參數(shù)
參數(shù)描述
L79XXC_08 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Negative voltage regulators
L7A178-CD9G-FAB WAF 制造商:LSI 功能描述:
L7A-DP4-A10-B0-M3-X 制造商:Taiway Electronics Components 功能描述:
L7A-SP-1-P1-2-B0-M1-X 制造商:Taiway Electronics Components 功能描述:
L7BRS-1764Z 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Variable Coils
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

*
*
*