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參數資料
| 型號： | MIC29310-5.0BT |
| 廠商： | MICREL INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | PT 55C 55#20 SKT PLUG |
| 中文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 1 V DROPOUT, PSFM3 |
| 封裝： | TO-220, 3 PIN |
| 文件頁數： | 1/12頁 |
| 文件大小： | 168K |
| 代理商： | MIC29310-5.0BT |
July 1999
1
MIC29310/29312
MIC29310/29312
Micrel
General Description
The MIC29310 and MIC29312 are low cost versions of
MIC29300 family low-dropout (LDO) regulators. Manufac-
tured on Micrel’s proprietary Super beta PNP process, the
MIC29310/2 is a 3A LDO regulator with very low-dropout
voltage (600mV over the full load) and low ground current.
Along with a total accuracy of
±
2% (over temperature, line
and load regulation) these regulators feature very fast tran-
sient recovery from input voltage surges and output load
current changes.
The MIC29310 is available in fixed 3.3V and 5V outputs
voltages; the MIC29312 has an adjustable output which can
be set by two external resistors to a voltage between 1.24V
to 15V. In addition, all versions are fully protected against
overcurrent faults, reversed input polarity, reversed lead
insertion, and overtemperature operation.
A TTL logic enable (EN) pin is available in the MIC29312 to
shutdown the regulator. When not used, the device can be
set to continuous operation by connecting EN to the input
(IN).
The MIC29310/2 is available in the standard 3- and 5-pin
TO-220 and TO-263 packages with an operating junction
temperature range of 0
°
C to +125
°
C.
For applications requiring even lower dropout
voltage, input voltage greater than 16V, or an
error flag, see the MIC29300/29301/29302/
29303.
Features
Low cost versions of MIC29300 family
Fast transient response
3A current over full temperature range
600mV dropout voltage at full load
Low ground current
Accurate 1% guaranteed tolerance
“Zero” current shutdown mode (MIC29312)
Fixed voltage and adjustable versions
Applications
Processor peripheral and I/O supplies
PC add-in cards
High-efficiency “green” computer systems
High-efficiency linear power supplies
High-efficiency switching supply post regulator
Battery-powered equipment
MIC29310/29312
3A Fast-Response LDO Regulator
Typical Application
IN
OUT
GND
V
IN
V
OUT
Fixed Regulator Configuration
MIC29312
OUT
ADJ
R1*
V
OUT
* For best performance, total series resistance
(R1 + R2) should be small enough to pass
the minimum regulator load current of 10mA.
R2*
EN
GND
V
IN
IN
On
Off
V
OUT
= 1240
R1
R2+ 1
Adjustable Regulator Configuration
Ordering Information
Part Number
MIC29310-3.3BT
MIC29310-3.3BU
MIC29310-5.0BT
MIC29310-5.0BU
MIC29312BT
MIC29312BU
Voltage
3.3V
3.3V
5.0V
5.0V
Adj.
Adj.
Junction Temp. Range
0
°
C to +125
°
C
0
°
C to +125
°
C
0
°
C to +125
°
C
0
°
C to +125
°
C
0
°
C to +125
°
C
0
°
C to +125
°
C
Package
TO-220-3
TO-263-3
TO-220-3
TO-263-3
TO-220-5
TO-263-5
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
相關PDF資料 |
PDF描述 |
|---|---|
| MIC29310-5.0BU | Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT05; Connector Shell Size:8; Connecting Termination:Solder |
| MIC29312BT | 3A Fast-Response LDO Regulator |
| MIC29312BU | 3A Fast-Response LDO Regulator |
| MIC29310 | 3A Fast-Response LDO（Low Dropout）Regulator(輸出電流3A 快速瞬變反應低壓差穩壓器) |
| MIC29312 | 3A Fast-Response LDO（Low Dropout）Regulator(輸出電流3A 快速瞬變反應低壓差穩壓器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC29311-5.1BT | 功能描述:IC REG LDO 5.1V 3A TO-220-5 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?。?- 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 |
| MIC29311-5.1WT | 功能描述:低壓差穩壓器 - LDO 3.0A USB 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 |
| MIC29312BT | 功能描述:IC REG LDO ADJ 3A TO-220-5 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?。?- 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 |
| MIC29312BTL3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC29312BU | 功能描述:IC REG LDO ADJ 3A TO-263-5 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 |
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