参数资料
型号: MIC5305-4.75YD5 TR
厂商: Micrel Inc
文件页数: 1/12页
文件大小: 0K
描述: IC REG LDO 4.75V .15A TSOT23-5
标准包装: 3,000
稳压器拓扑结构: 正,固定式
输出电压: 4.75V
输入电压: 最高 5.5V
电压 - 压降(标准): 0.06V @ 150mA
稳压器数量: 1
电流 - 输出: 150mA
电流 - 限制(最小): 300mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SOT-23-5 细型,TSOT-23-5
供应商设备封装: TSOT-23-5
包装: 带卷 (TR)
其它名称: MIC5305-4.75YD5TR
MIC5305-4.75YD5TR-ND
MIC5305
150mA μCap Ultra-Low Dropout
LDO Regulator
General Description
Features
The MIC5305 is a high-performance, 150mA LDO regula-
tor, offering extremely high PSRR and very low noise while
consuming low ground current.
Ideal for battery-operated applications, the MIC5305
features 1% accuracy, extremely low-dropout voltage
(60mV @ 150mA), and low ground current at light load
(typically 90μA). Equipped with a logic-compatible enable
pin, the MIC5305 can be put into a zero-off-mode current
state, drawing no current when disabled.
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Ultra-low dropout voltage of 60mV @ 150mA
Input voltage range: 2.25 to 5.5V
Stable with ceramic output capacitor
150mA guaranteed output current
Low output noise — 20μVrms
Low quiescent current of 90μA total
High PSRR, up to 85dB @1kHz
Less than 30μs turn-on time w/C BYP = 0.01μF
High output accuracy:
The MIC5305 is a μCap design operating with very small
ceramic output capacitors for stability, thereby reducing
required board space and component cost.
The MIC5305 is available in ? xed output voltages and
adjustable output voltages in the super-compact 6-pin
2mm × 2mm MLF ? leadless package, our new ultra-thin
6-pin 2mm × 2mm Thin MLF ? and thin SOT-23-5 package.
Additional voltage options are available. Contact Micrel
marketing.
– ±1.0% initial accuracy
– ±2.0% over temperature
? Thermal shutdown protection
? Current limit protection
? Tiny 6-pin 2mm × 2mm MLF ? package
? Ultra-Thin 6-pin 2mm × 2mm Thin MLF ? package
? Thin SOT-23-5 package
Applications
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Typical Application
MIC5305
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Cellular phones
PDAs
Fiber optic modules
Portable electronics
Notebook PCs
Audio Codec power supplies
Dropout Voltage
70
60
50
40
30
20
3.0V
V IN
1μF
VIN VOUT
EN BYP
0.1μF
1μF
2.85V@150mA
V OUT
10
0
0
20 40 60 80 100 120 140
OUTPUT CURRENT (mA)
GND
100
90
80
70
60
50
40
30
20
10
PSRR
(Bypass Pin Cap = 0.1μF)
150mA
50mA
100μA
0
0.1
1 10 100
1k
FREQUENCY (kHz)
MLF and Micro LeadFrame are registered trademarks of Amkor Technology, Inc.
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
June 2007
1
M9999-062507
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