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參數資料
| 型號： | MIC5219-2.8BM5 |
| 廠商： | MICREL INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 500mA-Peak Output LDO Regulator |
| 中文描述： | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 1/12頁 |
| 文件大小： | 118K |
| 代理商： | MIC5219-2.8BM5 |
July 2000
1
MIC5219
MIC5219
Micrel
Typical Applications
MIC5219
500mA-Peak Output LDO Regulator
General Description
The MIC5219 is an efficient linear voltage regulator with high
peak output current capability, very low dropout voltage, and
better than 1% output voltage accuracy. Dropout is typically
10mV at light loads and less than 500mV at full load.
The MIC5219 is designed to provide a peak output current for
startup conditions where higher inrush current is demanded.
It features a 500mA peak output rating. Continuous output
current is limited only by package and layout.
The MIC5219 can be enabled or shut down by a CMOS or
TTL compatible signal. When disabled, power consumption
drops nearly to zero. Dropout ground current is minimized to
help prolong battery life. Other key features include reversed-
battery protection, current limiting, overtemperature shut-
down, and low noise performance with an ultra-low-noise
option.
The MIC5219 is available in adjustable or fixed output volt-
ages in space-saving SOT-23-5 and MM8 8-lead power
MSOP packages. For higher power requirements see the
MIC5209 or MIC5237.
Features
Guaranteed 500mA-peak output over the full operating
temperature range
Low 500mV maximum dropout voltage at full load
Extremely tight load and line regulation
Tiny SOT-23-5 and MM8 power MSOP-8 package
Ultra-low-noise output
Low temperature coefficient
Current and thermal limiting
Reversed-battery protection
CMOS/TTL-compatible enable/shutdown control
Near-zero shutdown current
Applications
Laptop, notebook, and palmtop computers
Cellular telephones and battery-powered equipment
Consumer and personal electronics
PC Card V
CC
and V
PP
regulation and switching
SMPS post-regulator/dc-to-dc modules
High-efficiency linear power supplies
1
2
3
4
8
7
6
5
MIC5219-5.0BMM
2.2μF
tantalum
V
OUT
5V
V
IN
6V
ENABLE
SHUTDOWN
470pF
5V Ultra-Low-Noise Regulator
1
5
2
3
4
2.2μF
tantalum
470pF
V
OUT
3.3V
MIC5219-3.3BM5
V
IN
4V
ENABLE
SHUTDOWN
3.3V Ultra-Low-Noise Regulator
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
相關PDF資料 |
PDF描述 |
|---|---|
| MIC5219-2.9BM5 | 500mA-Peak Output LDO Regulator |
| MIC5219-3.0BM5 | 500mA-Peak Output LDO Regulator |
| MIC5219-3.0BMM | 500mA-Peak Output LDO Regulator |
| MIC5219-5.0BM5 | 500mA-Peak Output LDO Regulator |
| MIC5219-5.0BMM | 500mA-Peak Output LDO Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC5219-3.0BM5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC5219-3.0BM5 TR | 功能描述:IC REG LDO 3V .5A SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:500 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標準）:- 穩壓器數量:1 電流 - 輸出:500mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應商設備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
| MIC5219-3.0BML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:500mA-Peak Output LDO Regulator |
| MIC5219-3.0BML TR | 功能描述:IC REG LDO 3V .5A 6-MLF RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:500 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標準）:- 穩壓器數量:1 電流 - 輸出:500mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應商設備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
| MIC5219-3.0BMM | 功能描述:IC REG LDO 3V .5A 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:500 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標準）:- 穩壓器數量:1 電流 - 輸出:500mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:通孔 封裝/外殼:TO-205AD，TO-39-3 金屬罐 供應商設備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
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