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參數(shù)資料
| 型號(hào)： | MIC5246 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | DIODE,40V,1A,1N5819 |
| 中文描述： | 150mA的レ第CMOS LDO穩(wěn)壓器的初步信息 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 58K |
| 代理商： | MIC5246 |
MIC5246
Micrel
June 2000
1
MIC5246
General Description
The MIC5246 is an efficient, precise CMOS voltage regulator
optimized for low-noise applications. The MIC5246 offers
better than 1% initial accuracy, extremely-low-dropout volt-
age (typically 150mV at 150mA) and constant ground current
(typically 85
μ
A)over load . The MIC5246 features an error
flag that indicates an output fault condition such as overcurrent,
thermal shutdown and dropout. The MIC5246 provides a very
low noise output, ideal for RF applications where quiet
voltage sources are required.
Designed specifically for hand-held and battery-powered
devices, the MIC5246 provides a TTL-logic-compatible en-
able pin. When disabled, power consumption drops nearly to
zero.
The MIC5246 also works with low-ESR ceramic capacitors,
reducing the amount of board space necessary for power
applications, critical in hand-held wireless devices.
Key features include current limit, thermal shutdown, a push-
pull output for faster transient response, and an active clamp
to speed up device turnoff. Available in the IttyBitty SOT-23-5
package, the MIC5246 also offers a range of fixed output
voltages.
Typical Application
1
5
2
3
4
C
OUT
Enable
Shutdown
EN
V
OUT
MIC5246-x.xBM5
EN (pin 3) may be
connected directly
to IN (pin 1).
V
IN
47k
FLG
C
FLG
Low-Noise Regulator Application
MIC5246
150mA
μ
Cap CMOS LDO Regulator
Preliminary Information
Features
Error flag indicates fault condition
Ultralow dropout
—
100mV @ 100mA
Load independent, ultralow ground current: 85
μ
A
150mA output current
Current limiting
Thermal Shutdown
Tight load and line regulation
“
Zero
”
off-mode current
Stability with low-ESR capacitors
Fast transient response
TTL-Logic-controlled enable input
Applications
Cellular phones and pagers
Cellular accessories
Battery-powered equipment
Laptop, notebook, and palmtop computers
PCMCIA V
CC
and V
PP
regulation/switching
Consumer/personal electronics
SMPS post-regulator/dc-to-dc modules
High-efficiency linear power supplies
Ordering Information
Part Number
MIC5246-2.6BM5
MIC5246-2.7BM5
MIC5246-2.8BM5
MIC5246-2.85BM5
MIC5246-3.0BM5
MIC5246-3.3BM5
Other voltages available. Contact Micrel for details.
Marking
LT26
LT27
LT28
LT2J
LT30
LT33
Voltage
2.6V
2.7V
2.8V
2.85V
3.0V
3.3V
Junction Temp. Range
–
40
°
C to +125
°
C
–
40
°
C to +125
°
C
–
40
°
C to +125
°
C
–
40
°
C to +125
°
C
–
40
°
C to +125
°
C
–
40
°
C to +125
°
C
Package
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
IttyBitty is a trademark of Micrel, Inc.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC5246-2.6BM5 | DIODE, SCHOTTKY BARRIER DIODE |
| MIC5246-2.7BM5 | 150mA レCap CMOS LDO Regulator Preliminary Information |
| MIC5246-2.85BM5 | 150mA レCap CMOS LDO Regulator Preliminary Information |
| MIC5246-2.8BM5 | 150mA レCap CMOS LDO Regulator Preliminary Information |
| MIC5249-1.8BMM | 300MA UCAP LDO WITH PROGRAMMABLE POWER ON RESET DELAY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC5246_02 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:150mA μCap CMOS LDO Regulator |
| MIC5246-1.6BM5 TR | 功能描述:IC REG LDO 1.6V .15A SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)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(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
| MIC5246-1.85BM5 TR | 功能描述:IC REG LDO 1.85V .15A SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)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(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
| MIC5246-2.1BM5 TR | 功能描述:IC REG LDO 2.1V .15A SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)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(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
| MIC5246-2.2BM5 TR | 功能描述:IC REG LDO 2.2V .15A SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:12V 輸入電壓:14.5 V ~ 35 V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)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(yīng)商設(shè)備封裝:TO-39 包裝:散裝 其它名稱:*LM78M12CH*LM78M12CH/NOPBLM78M12CH |
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