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MIC4576-5.0BU集成電路（IC）的穩(wěn)壓器-DC-DC開關(guān)穩(wěn)壓器規(guī)格書PDF中文資料
| 廠商型號 |
MIC4576-5.0BU |
| 參數(shù)屬性 | MIC4576-5.0BU 封裝/外殼為TO-263-6，D2Pak（5 引線 + 接片），TO-263BA；包裝為散裝；類別為集成電路（IC）的穩(wěn)壓器-DC-DC開關(guān)穩(wěn)壓器；產(chǎn)品描述：IC REG BUCK 5V 3A TO263-5 |
| 功能描述 | 200kHz Simple 3A Buck Regulator |
| 文件大小 |
218.21 Kbytes |
| 頁面數(shù)量 |
8 頁 |
| 生產(chǎn)廠商 | Micrel Semiconductor |
| 企業(yè)簡稱 |
Micrel【麥瑞半導(dǎo)體】 |
| 中文名稱 | 麥瑞半導(dǎo)體官網(wǎng) |
| 原廠標識 |  |
| 數(shù)據(jù)手冊 | |
| 更新時間 | 2024-12-25 22:30:00 |
MIC4576-5.0BU規(guī)格書詳情
General Description
The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size.
The MIC4576 is available in 3.3V, and 5V fixed output versions or a 1.23V to 33V adjustable output version. Both versions are capable of driving a 3A load with excellent line and load regulation.
The feedback voltage is guaranteed to ±2 tolerance for adjustable versions, and the output voltage is guaranteed to ±3 for fixed versions, within specified voltages and load conditions. The oscillator frequency is guaranteed to ±10.
In shutdown mode, the regulator draws less than 200μA standby current. The regulator performs cycle-by-cycle current limiting and thermal shutdown for protection under fault conditions.
This series of simple switch-mode regulators requires a minimum number of external components and can operate using a standard series of inductors. Frequency compensation is provided internally.
The MIC4576 is available in TO-220 (T) and TO-263 (U) packages for the industrial temperature range.
Features
? Fixed 200kHz operation
? 3.3V, 5V, and adjustable output versions
? Voltage over specified line and load conditions:
Fixed version: ±3 max. output voltage
Adjustable version: ±2 max. feedback voltage
? Guaranteed 3A switch current
? Wide 4V to 36V input voltage range
? Wide 1.23V to 33V output voltage range
? Requires minimum external components
? < 200μA typical shutdown mode
? 75 efficiency (adjustable version > 75 typical)
? Standard inductors are 25 of typical LM2576 values
? Thermal shutdown
? Overcurrent protection
? 100 electrical thermal limit burn-in
Applications
? Simple high-efficiency step-down (buck) regulator
? Efficient preregulator for linear regulators
? On-card switching regulators
? Positive-to-negative converter (inverting buck-boost)
? Battery Charger
? Negative boost converter
? Step-down to 3.3V for Intel Pentium?
and similar microprocessors
產(chǎn)品屬性
- 產(chǎn)品編號：
MIC4576-5.0BU
- 制造商：
Microchip Technology
- 類別：
集成電路（IC） > 穩(wěn)壓器 - DC-DC 開關(guān)穩(wěn)壓器
- 包裝：
散裝
- 功能：
降壓
- 輸出配置：
正
- 拓撲：
降壓
- 輸出類型：
固定
- 輸出數(shù)：
1
- 電壓 - 輸入（最小值）：
4V
- 電壓 - 輸入（最大值）：
36V
- 電壓 - 輸出（最小值/固定）：
5V
- 電流 - 輸出：
3A
- 頻率 - 開關(guān)：
200kHz
- 同步整流器：
無
- 工作溫度：
-40°C ~ 85°C（TA）
- 安裝類型：
表面貼裝型
- 封裝/外殼：
TO-263-6，D2Pak（5 引線 + 接片），TO-263BA
- 供應(yīng)商器件封裝：
TO-263-5
- 描述：
IC REG BUCK 5V 3A TO263-5
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MICREL |
2020+ |
TO-252 |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
MICREL |
2016+ |
TO263 |
5412 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價 | ||
MICREL/麥瑞 |
24+ |
TO263 |
225 |
現(xiàn)貨供應(yīng) |
詢價 | ||
MAXIM |
2022+ |
TQFN-CU-20 |
6000 |
一級代理/分銷渠道價格優(yōu)勢 十年芯程一路只做原裝正品 |
詢價 | ||
MICREL |
23+ |
TO263 |
20000 |
原廠原裝正品現(xiàn)貨 |
詢價 | ||
MIC |
2022+ |
TO-263 |
30000 |
進口原裝現(xiàn)貨供應(yīng),原裝 假一罰十 |
詢價 | ||
MICREL |
2016+ |
TO263-5 |
6528 |
只做進口原裝現(xiàn)貨!假一賠十! |
詢價 | ||
MICREL |
TO263-5 |
68900 |
原包原標簽100%進口原裝常備現(xiàn)貨! |
詢價 | |||
MICROCHI |
2020+ |
TO263 |
350000 |
100%進口原裝正品公司現(xiàn)貨庫存 |
詢價 | ||
MICREL |
23+ |
TO263-5 |
65600 |
詢價 |
