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SPI-8001TW-TL Datasheet

  • SPI-8001TW-TL

  • Dual 1.5 A, DC/DC Step-Down Converter

  • 10頁

  • ALLEGRO   ALLEGRO

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Data Sheet
27469.301.1
SPI-8001TW
Dual 1.5 A, DC/DC Step-Down Converter
Designed to meet high-current requirements at high efficiency in
industrial and consumer applications; embedded core, memory, or logic
supplies; TVs, VCRs, and office equipment, the SPI-8001TW dc/dc
step-down (buck) converter offers a constant 250 kHz switching fre-
quency essential for small external components. The n-channel high-
current FET is included on the die along with the oscillator, control, and
logic circuitry.
A wide input voltage range and integrated thermal and overcurrent
protection enhance overall system reliability. Reference accuracy and
excellent temperature characteristics are provided. A chip-enable input
gives the designer complete control over power up, standby, or power
down. A similar device, with increased input and output voltage ratings,
is the SPI-8002TW.
This device is supplied in a 16-lead surface-mount plastic SOIC
with exposed pad to provide a low-resistance path for maximum power
dissipation, low junction temperature, and improved reliability.
FEATURES
To 20 V Input Range
Adjustable 1 V to 16 V Output Range
1% Output Voltage Tolerance
To 1.5 A Output Current
Foldback Current Limiting
Constant 250 kHz Switching Frequency
1.0
渭A
Maximum Standby Current
1.0 V Feedback Reference Voltage
Soft Start Avoids Supply Voltage Dip
Remote Voltage Sensing
Exposed Pad for Superior Heat Dissipation
Thermal Protection
APPLICATIONS
TVs, VCRs, Electronic Games
Embedded Core, Memory, or Logic Supplies
Printers and Other Office Equipment
Industrial Machinery
ABSOLUTE MAXIMUM RATINGS
Input Voltage, V
I
, V
CC
, V
CE
. . . . .
21 V
Output Current, I
O
. . . . . . . . . . .
1.5 A*
Junction Temperature, T
J
. . . .
+135擄C
Storage Temperature Range,
T
S
. . . . . . . . . . . .
-40擄C to +135擄C
* Output current rating is limited by input
voltage, duty cycle, and ambient tempera-
ture. Under any set of conditions, do not
exceed a junction temperature of +135擄C.
Always order by complete part number, e.g.,
SPI-8001TW-TL
,
where 鈥?TL鈥?indicates tape and reel.
Sanken Power Devices
from Allegro MicroSystems

SPI-8001TW-TL 產(chǎn)品屬性

  • 1,392現(xiàn)貨

  • 1 : ￥24.64000剪切帶（CT）

  • -

  • 卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶

  • 停產(chǎn)

  • 降壓

  • 正

  • 可調(diào)式

  • 2

  • 4V

  • 20V

  • 1V

  • 16V

  • 1.5A

  • 250kHz

  • 無

  • -30°C ~ 135°C（TJ）

  • 表面貼裝型

  • 16-SOIC（0.295"，7.50mm 寬）裸露焊盤

  • 16-HSOP

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