MIC4576BT中文資料麥瑞半導(dǎo)體數(shù)據(jù)手冊PDF規(guī)格書
| 廠商型號 |
MIC4576BT |
| 參數(shù)屬性 | MIC4576BT 封裝/外殼為TO-220-5；包裝為卷帶（TR）剪切帶（CT）；類別為集成電路（IC） > 穩(wěn)壓器 - DC-DC 開關(guān)穩(wěn)壓器；產(chǎn)品描述：IC REG BUCK ADJ 3A TO220-5 |
| 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 | 2024-10-28 17:18:00 |
MIC4576BT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：
MIC4576BT
- 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：
卷帶（TR）剪切帶（CT）
- 功能：
降壓
- 輸出配置：
正
- 拓撲：
降壓
- 輸出類型：
可調(diào)式
- 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）：
1.23V
- 電壓 - 輸出（最大值）：
33V
- 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：
通孔
- 封裝/外殼：
TO-220-5
- 供應(yīng)商器件封裝：
TO-220-5
- 描述：
IC REG BUCK ADJ 3A TO220-5
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MicrochipTechnology |
23+ |
TO-220-5 |
66800 |
原裝正品現(xiàn)貨 |
詢價 | ||
MIC |
23+ |
TO-220 |
90000 |
只做原廠渠道價格優(yōu)勢可提供技術(shù)支持 |
詢價 | ||
MICREL |
2339+ |
TO220 |
5632 |
公司原廠原裝現(xiàn)貨假一罰十!特價出售!強勢庫存! |
詢價 | ||
Microchip(微芯) |
18+ |
9800 |
代理進口原裝/實單價格可談 |
詢價 | |||
MICREL/麥瑞 |
24+ |
TO |
170 |
現(xiàn)貨供應(yīng) |
詢價 | ||
MIC |
TO220-5 |
699839 |
集團化配單-有更多數(shù)量-免費送樣-原包裝正品現(xiàn)貨-正規(guī) |
詢價 | |||
MICREL |
5632 |
2015 |
只做進口原裝正品!現(xiàn)貨或者訂貨一周貨期!只要要網(wǎng)上 |
詢價 | |||
MIC |
2023+ |
TO220-5 |
80000 |
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 | ||
MIC |
23+ |
SMD現(xiàn)貨供應(yīng) |
379 |
現(xiàn)貨庫存 |
詢價 | ||
MICREL |
TO-2205 |
68900 |
原包原標簽100%進口原裝常備現(xiàn)貨! |
詢價 |
