參數(shù)資料
型號(hào)： L5953
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： 1.2 A SWITCHING REGULATOR, 425 kHz SWITCHING FREQ-MAX, PDSO36
封裝： LEAD FREE, SOP-36
文件頁數(shù)： 1/31頁
文件大?。?/td> 420K
代理商： L5953
September 2007
Rev 2
1
L5953
Multiple switching voltage regulator
Features
■ PWM: adjustable 2.5/10V - 1A switching
voltage regulator
■ External POWER MOS ability for output
current enhancement
■ Synchronization function
■ REG1- Linear low drop 3.3/5V - 250mA STBY
voltage regulator (low current consumption)
with RESET
■ REG2- Linear voltage regulator 1.5V to 3.3V
externally adjustable - 300mA maximum
current
■ HSD1 : 500mA High side driver
■ HSD2 : 200mA High side driver
■ SPI Interface
■ SPI Diagnostics HSD1, HSD2
■ Double switching frequency SPI selectable
■ Double inpuT LVW
SPI functions
■ Input controls
– Turn-on/off PWM
– Turn-on/off REG2
– Turn-on/off HSD1
– Turn-on/off HSD2
– Switching frequency selection f1- f2
■ Output functions:
– HSD1 & HSD2 short to gnd, open load and
short to battery (Test mode)
– Thermal warning
Protections
■ Over voltage protection
■ Internal current limiting
■ Thermal shutdown
■ ESD
Description
The L5953 is the integration of one switching
regulator, two linear voltage regulators, two low
voltage warnings and two high side drivers. It has
a stand-by operation mode (low current
consumption) where only the stand-by voltage
regulator plus the low voltage warnings are active.
The other regulators and high side drivers are
controlled by the SPI interface.
PowerSO36
Table 1.
Device summary
Part number
Package
Packing
L5953
PowerSO36
Tray
Obsolete
Product(s)
- Obsolete
Product(s)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L5953_07 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multiple switching voltage regulator
L5954 功能描述:低壓差穩(wěn)壓器 - LDO Airbag App Specific Voltage Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
L5955 功能描述:多媒體雜項(xiàng) Multifunction Voltage Regulator RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube
L5956 功能描述:多媒體雜項(xiàng) Multifunction Voltage Regulator RoHS:否 制造商:Texas Instruments 類型: 通道數(shù)量: 轉(zhuǎn)換速率:540 Mbps 分辨率: 封裝 / 箱體:SOIC-16 封裝:Tube
L5956_11 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Multifunction voltage regulator for car radio
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