ST78L24 [SEMTECH]
3-Terminal positive voltage regulator; 3端正电压稳压器型号: | ST78L24 |
厂家: | SEMTECH CORPORATION |
描述: | 3-Terminal positive voltage regulator |
文件: | 总2页 (文件大小:131K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
ST 78L24
3-Terminal positive voltage regulator
24V
• Suitable for TTL, DTL, HTL, C-MOS, Power Supply
• Internal Short-Circuit Current Limiting
• Internal Thermal Overload Protection
• Maximum Output Current of 150mA (Tj=25oC)
•Available in the Plastic TO-92 Package
TO-92 Plastic Package
Weight approx. 0.19g
Absolute Maximum Ratings (Ta = 25 oC)
Symbol
VIN
Value
40
Unit
V
Input Voltage
Power Dissipation
Ptot
800
mW
Operating Temperaturee
Storage Temperature Range
Topr
-30~75
°C
°C
Ts
-55~150
.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/12/2002
ST 78L24
Electrical Characteristics
(Unless otherwise specified, VIN=33V, IOUT=40mA, CIN=0.33μF, COUT=0.1μF, Tj=25°C)
Symbol
VOUT
Test Condition
Min.
Typ.
24
35
30
40
20
-
Max.
25
Unit
V
Output Voltage
23
Input Regulation
Reg. line 27.5V≤VIN≤38V
28V≤VIN≤38V
-
350
300
200
100
25.2
mV
-
Load Regulation
Output Voltage
Reg. load 1.0mA≤IOUT≤100mA
1.0mA≤IOUT≤40mA
-
-
mV
V
VOUT
27.5V≤VIN≤38V
1.0mA≤IOUT≤40mA
VIN=33V,
22.8
VOUT
22.8
-
25.2
V
1.0mA≤IOUT≤70mA
Quiescent Current
Quiescent
Current
IB
-
-
3.5
-
6.5
1.5
mA
mA
With line
With load
ΔIB
28V≤VIN≤38V
Change
1.0mA≤IOUT≤40mA
Ta=25°C,
-
-
-
0.1
-
Output Noise Voltage
VNO
RR
200
μV
10Hz≤f≤100KHz
f=120Hz,
Ripple Rejection
31
35
-
dB
29V≤VIN≤39V,Tj=25°C
Tj=25°C
Dropout Voltage
⎢VIN-VOUT
⎢
-
-
1.7
-2
-
-
V
Average Temperature
Coefficient of Output Voltage
TCVO
IOUT=5mA
mV/°C
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/12/2002
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