ST78L12U [SEMTECH]
3-Terminal Positive Voltage Regulator; 3端正电压稳压器
| 型号： | ST78L12U |
| 厂家： | 
SEMTECH CORPORATION |
| 描述： | 3-Terminal Positive Voltage Regulator |
| 文件： | 总2页 (文件大小：190K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ST 78L12U
3-Terminal Positive Voltage Regulator
O
Absolute Maximum Ratings (Ta = 25 C)
Parameter
Input Voltage
Symbol
VI
Rating
35
Unit
V
Power Dissipation
Ptot
800 1)
mW
O
Operating Temperature
Topr
- 20 to + 120
- 55 to +150
C
O
C
Storage Temperature Range
Ts
1)
O
15 mm X 25 mm X 0.7 mm alumina ceramic board, Ta ≤ 25 C
O
Electrical Characteristics (Ta = 25 C)
(Unless otherwise specified, 0 C ≤ TJ ≤ 125 C, VI = 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF)
O
O
Symbol
VO
Test Condition
Min.
Typ.
Max.
Unit
Parameter
O
Tj = 25 C
11.5
12
-
12.5
12.6
12.6
250
200
100
50
V
V
V
Output Voltage
14.5 V ≤ VI ≤ 27 V, 1 mA ≤ IO ≤ 40 mA
VI = 19 V, 1 mA ≤ IO ≤ 70 mA
11.4
11.4
-
O
14.5 V ≤ VI ≤ 27 V, Tj = 25 C
-
-
-
Line Regulation
Regline
mV
O
16 V ≤ VI ≤ 27 V, Tj = 25 C
-
O
1 mA ≤ IO ≤ 100 mA, Tj = 25 C
-
-
Load Regulation
Regload
IQ
mV
mA
mA
O
1 mA ≤ IO ≤ 40 mA, Tj = 25 C
-
-
O
Quiescent Current
Tj = 25 C
-
-
6
16 V ≤ VI ≤ 27 V
-
-
1.5
0.1
-
Quiescent Current Change
ΔIQ
1 mA ≤ IO ≤ 40 mA
-
-
O
µV
dB
V
Output Noise Voltage
Ripple Rejection
Dropout Voltage
VN
10 Hz ≤ f ≤ 100 KHz, Tj = 25 C
-
80
-
O
RR
f = 120 Hz, 15 V ≤ VI ≤ 25 V, Tj = 25 C
37
-
VDrop Tj = 25 °C
-
1.7
-
Vi
1
Vo
3
78L12U
C1
C2
0.1 µF
2
0.33 µF
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 21/06/2006
ST 78L12U
SOT-89 PACKAGE OUTLINE
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 21/06/2006
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