备用零件
Price @ 1000
$ 1.31
$ 1.619
Stock
222,223
268,278
Authorized Distributors
5
5
Case/Package
-
-
Number of Pins
8
8
Number of Outputs
1
1
Max Output Current
4.4 A
4.4 A
Switching Frequency
275 kHz
275 kHz
Min Input Voltage
2.9 V
2.9 V
Max Input Voltage
18 V
18 V
Min Output Voltage
3 V
3 V
Max Output Voltage
18 V
18 V
Efficiency
-
-
Synchronous Rectifier
No
No
供应链
Country of OriginPhilippines
Export Control Classification Number (ECCN) CodeEAR99
Harmonized Tariff Schedule (HTS) Code8542.39.00.60
Introduction Date2008-08-19
Lifecycle StatusObsolete (Last Updated: 9 months ago)
LTB Date2024-09-26
LTD Date2025-03-26
相关零件
Texas InstrumentsTPS40040DRBR
2.25 to 5.5 V input, 300 kHz, synchronous buck controller with low pin count 8-SON -40 to 85
Texas InstrumentsTPS40040DRBT
2.25 to 5.5 V input, 300 kHz, synchronous buck controller with low pin count 8-SON -40 to 85
Texas InstrumentsTPS40040DRBTG4
2.25 to 5.5 V input, 300 kHz, synchronous buck controller with low pin count 8-SON -40 to 85
onsemiCS5171EDR8G
Switching Regulator, Current-mode, 2.4A, 310kHz Switching Freq-Max, BIPolar, PDSO8
onsemiCS5171GDR8G
Switching Regulator, Current-mode, 2.4A, 310kHz Switching Freq-Max, BIPolar, PDSO8
onsemiCS5172EDR8G
Switching Regulator, Current-mode, 2.4A, 310kHz Switching Freq-Max, BIPolar, PDSO8
描述
由其分销商提供的 STMicroelectronics L5987A 的描述。
L5987 Series 18 V 3 A 275 kHz Buck Surface Mount Switching Regulator - POWERSO-8
Switching Regulator, Voltage-mode, 4.4A, 1000kHz Switching Freq-Max, PDSO8
Conv DC-DC 2.9V to 18V Synchronous Step Down Single-Out 0.6V to 18V 3A 8-Pin HSOP EP Tube
Buck Converter Adjustable 250kHz~1MHz 1 18V 600mV 18V 2.9V HSOP-8 SMD
3 A step-down switching regulator
Voltage Regulators - Switching Regulators 3 A STEP-DOWN SWITCH REG
制造商别名
STMicroelectronics 在全球拥有多个品牌，分销商可将其用作替代名称。STMicroelectronics 也可称为以下名称：
- ST MICRO
- STM
- SGS
- SGS THOMSON
- INMOS
- STMICROE
- STMICROEL
- STMICR
- ST MIC
- ST MICROELECTRONIC
- SGS THOMPSON
- SESCOSEM
- STMICROELECT
- ST8
- STMICROELECTRON
- WAFERSCALE
- SGS-ATES
- ST MICROELECTRONICS SEMI
- ST/SGS
- ST MICROELECTRO
- SGST
- THOMS
- STMICROELE
- WAFERSCALE INTEGRATION INC
- SGS-Thomson Microelectronics
- ST Microeletronics
技术规格
Physical
MountSurface Mount
Number of Pins8
Number of Terminals8
Technical
Max Input Voltage18 V
Max Operating Temperature125 °C
Max Output Current4.4 A
Max Output Voltage18 V
Max Supply Current25 mA
Max Switching Frequency1 MHz
Min Input Voltage2.9 V
Min Operating Temperature-40 °C
Min Output Voltage3 V
Nominal Input Voltage12 V
Number of Circuits1
Number of Outputs1
Output ConfigurationPositive
Output Current3 A
Output TypeAdjustable
Output Voltage18 V
Schedule B8542390000
Switching Frequency275 kHz
Synchronous RectifierNo
Temperature GradeAutomotive
TopologyBuck
Dimensions
Height - Seated (Max)1.7 mm
Length4.9 mm
Terminal Pitch1.27 mm
Width3.9 mm