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參數資料
| 型號： | MIC49150-1.5BR |
| 廠商： | MICREL INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1.5A Low Voltage LDO Regulator w/Dual Input Voltages |
| 中文描述： | 1.5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO5 |
| 封裝： | SPAK-5 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 94K |
| 代理商： | MIC49150-1.5BR |
January 2002
1
MIC49150
MIC49150
Micrel
MIC49150
1.5A Low Voltage LDO Regulator w/Dual Input Voltages
Final Information
General Description
The MIC49150 is a high-bandwidth, low-dropout, 1.5A volt-
age regulator ideal for powering core voltages of low-power
microprocessors. The MIC49150 implements a dual supply
configuration allowing for very low output impedance and
very fast transient response.
The MIC49150 requires a bias input supply and a main input
supply, allowing for ultra-low input voltages on the main
supply rail. The input supply operates from 1.4V to 6.5V and
the bias supply requires between 3V and 6.5V for proper
operation. The MIC49150 offers fixed output voltages from
0.9V to 1.8V and adjustable output voltages down to 0.9V.
The MIC49150 requires a minimum of output capacitance for
stability, working optimally with small ceramic capacitors.
The MIC49150 is available in an 8-pin power MSOP package
and a 5-pin S-Pak. Its operating temperature range is –40
°
C
to +125
°
C.
Typical Application
MIC49150BR
IN
GND
C
=
1
μ
F
Ceramic
BIAS
OUT
C
BIAS
= 1
μ
F
V
OUT
= 1.0V
V
IN
= 1.8V
V
BIAS
= 3.3V
ADJ
C
= 1
μ
F
Ceramic
R1
R2
Low Voltage,
Fast Transient Response 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
Load Transient Response
TIME (10
μ
s/div.)
V
O
5
I
O
1
V
BIAS
= 3.3V
V
IN
= 1.8V
V
OUT
= 1V
C
OUT
= 1
μ
F
Features
Input Voltage Range:
V
IN
: 1.4V to 6.5V
V
BIAS
: 3.0V to 6.5V
Stable with 1
μ
F ceramic capacitor
±
1% initial tolerance
Maximum dropout voltage (V
IN
-V
OUT
) of 500mV over
temperature
Adjustable output voltage down to 0.9V
Ultra fast transient response (Up to 10MHz bandwidth)
Excellent line and load regulation specifications
Logic controlled shutdown option
Thermal shutdown and current limit protection
Power MSO-8 and S-Pak packages
Junction temperature range:
–
40
°
C to 125
°
C
Applications
Graphics processors
PC Add-In Cards
Microprocessor core voltage supply
Low voltage digital ICs
High Efficiency Linear power supplies
SMPS post regulators
相關PDF資料 |
PDF描述 |
|---|---|
| MIC49150BMM | 1.5A Low Voltage LDO Regulator w/Dual Input Voltages |
| MIC49150BR | 1.5A Low Voltage LDO Regulator w/Dual Input Voltages |
| MIC49300 | 3.0A LOW VOLTAGE LDO REGULATOR W/DUAL INPUT VOLTAGES |
| MIC49300-0.9BR | 3.0A LOW VOLTAGE LDO REGULATOR W/DUAL INPUT VOLTAGES |
| MIC49300-1.2BR | 3.0A LOW VOLTAGE LDO REGULATOR W/DUAL INPUT VOLTAGES |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC49150BMM | 功能描述:IC REG LDO ADJ 1.5A 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩壓器數量:1 電流 - 輸出:80mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49150BMM TR | 功能描述:IC REG LDO ADJ 1.5A 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩壓器數量:1 電流 - 輸出:80mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49150BR | 功能描述:IC REG LDO ADJ 1.5A 5SPAK RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩壓器數量:1 電流 - 輸出:80mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49150BR TR | 功能描述:IC REG LDO ADJ 1.5A SPAK-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:3,000 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.3V @ 80mA 穩壓器數量:1 電流 - 輸出:80mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC49150WR | 功能描述:低壓差穩壓器 - LDO Dual Supply, LV 1.5A LDO(ROHS Compliant) 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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