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參數(shù)資料
| 型號(hào)： | Si91846DT-35-T1 |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 150-mA Ultra Low-Noise LDO Regulator With Error Flag and Discharge Option |
| 中文描述： | 150mA的超低噪音LDO調(diào)節(jié)器錯(cuò)誤國(guó)旗和放電期權(quán) |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 126K |
| 代理商： | SI91846DT-35-T1 |
Si91845/6
Vishay Siliconix
Document Number: 71733
S-40591—Rev. B, 29-Mar-04
www.vishay.com
1
150-mA Ultra Low-Noise LDO Regulator
With Error Flag and Discharge Option
FEATURES
Ultra Low Dropout—130 mV at 150-mA Load
Ultra Low Noise—30 V
(rms)
(10-Hz to 100-kHz
Bandwidth)
Out-of-Regulation Error Flag (power good)
Shutdown Control
Only 110- A Ground Current at 150-mA Load
Fast Start-Up (50 S)
1.5% Guaranteed Output Voltage Accuracy
300-mA Peak Output Current Capability
Uses Low ESR Ceramic Capacitors
Fast Line and Load Transient Response (
1- A Maximum Shutdown Current
Output Current Limit
30 s)
Si91845: Output, Auto-Discharge in Shutdown Mode
Si91846: Output, No-Discharge in Shutdown Mode
Fixed 1.8, 2.0, 2.2, 2.5, 2.6, 2.7, 2.8, 2.85, 2.9, 3.0, 3.3,
3.5, 3.6, 5.0-V Output Voltage Options
Built-in Short Circuit and Thermal Protection
Reverse Battery Protection
Thin SOT23-6 Package
APPLICATIONS
Cellular Phones, Wireless Handsets
Noise-Sensitive Electronic Systems, Laptop and
Palmtop Computers
PDAs
Digital Cameras
Pagers
MP3 Players
Wireless Modems
DESCRIPTION
The Si91845/6 is a 150-mA CMOS LDO (low dropout) voltage
regulator. It is the perfect choice for low voltage, low power
applications. An ultra low ground current and ultra fast turn-on
make this part attractive for battery operated power systems.
The Si91845/6 also offers ultra low dropout voltage to prolong
battery life in portable electronics. Systems requiring a quiet
voltage source will benefit from the Si91845/6’s low output
noise. The Si91845/6 is designed to maintain regulation while
delivering 300-mA peak current, making it ideal for systems
that have a high surge current upon turn-on.
For better transient response and regulation, an active
pull-down circuit is built into the Si91845/6 to clamp the output
voltage when it rises beyond normal regulation. The Si91845
automatically discharges the output voltage by connecting the
output to ground through a 100- n-channel MOSFET when
the device is put in shutdown mode.
The Si91845/6 features reverse battery protection to limit
reverse current flow to approximately 1- A in the event
reversed battery is applied at the input, thus preventing
damage to the IC.
The Si91845/6 is available in both standard and lead (Pb)-free
packages.
TYPICAL APPLICATION CIRCUIT
3
2
Si91845/6
1
4
6
V
IN
GND
SD
V
OUT
ERROR
V
IN
SD
V
OUT
1 F
1 F
51 k
5
BP
ERROR
10 nF
Thin SOT-23, 6-Lead
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Si91846DT-36-T1 | 150-mA Ultra Low-Noise LDO Regulator With Error Flag and Discharge Option |
| Si91846DT-50-T1 | 150-mA Ultra Low-Noise LDO Regulator With Error Flag and Discharge Option |
| SI9185DMP-12-T1 | Micropower 500-mA CMOS LDO Regulator |
| SI9185DMP-15-T1 | Micropower 500-mA CMOS LDO Regulator |
| SI9185DMP-18-T1 | Micropower 500-mA CMOS LDO Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI91846DT-36-T1 | 制造商:Vishay Siliconix 功能描述:REG LDO LIN FIX POS 3.6V 0.3A 6PIN SOT-23 - Tape and Reel |
| SI91846DT-50-T1 | 制造商:Vishay Siliconix 功能描述:REG LDO LIN FIX POS 5V 0.3A 6PIN SOT-23 - Tape and Reel |
| SI9185 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Micropower 500-mA CMOS LDO Regulator |
| SI9185DB | 制造商:Vishay Siliconix 功能描述:DEV TOOLS EVAL KIT FOR MICROPWR 500MA CMOS LDO REG W/ ERROR - Bulk |
| SI9185DMP-12-T1 | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA 1.2V CMOS w/Error Flag 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 |
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