| 参数 |
数值 |
| 内部开关 |
No |
| 同步整流器 |
Yes |
| 开关频率 |
250kHz ~ 750kHz |
| 输出数 |
1 |
| 输入电压 |
4 ~ 38 V |
| 输出电压 |
0.8 ~ 5.5 V |
| 输出电流 |
50mA |
| 工作温度 |
-40°C ~ 125°C |
| 安装类型 |
Surface Mount |
| 类型 |
Step-Down (Buck) |
| Number of Outputs |
1 |
| Vin Min (V) |
4 |
| Vin Max (V) |
38 |
| Output Current (A) |
25 |
| Vout Min (V) |
0.8 |
| Synchronous (yes/no) |
yes |
| Sense Resistor |
Rsense, DCR |
| Packages |
QFN-16, SSOP-16, MS-16 |
| Features |
DCR Current Sense, Burst Mode, External Synchronization, PLL, Resistor Set Frequency, Tracking, Soft Start |
| Polyphase (yes/no) |
no |
| Max Phases (#) |
1 |
| Monolithic (yes/no) |
no |
| Topology |
Buck |
| Tracking (yes/no) |
yes |
| Frequency (kHz) |
750 |
| Frequency Adjust Range |
250kHz to 750kHz |
| Frequency Sync Range |
250kHz to 750kHz |
| Isupply (mA) |
1.2 |
| Ishutdown (uA) |
20 |
| Architecture |
Constant Frequency Current Mode |
| Switch Current (A) |
25 |
| Vout Max (V) |
5.5 |
| Vout Maximum |
5.5V |
| Extended Temp |
E, I |
| Comments |
Synchronous Step-Down Switching Regulator Controller |
| Featured |
no |
| Date Added |
2008-07-02 |
| Price 1k * |
$1.71 (LTC3851AEGN#PBF) |
| New |
no |
原厂订货优势库存欢迎来电咨询0755-83993598
| 文档名称 |
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Nov 2000 1.25MHz, 1.5A, MS8 Monolithic Step-Down Converter Keeps Switching Noise above the Signal Spectrum |
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LT1767 - Monolithic 1.5A, 1.25MHz Step-Down Switching Regulators |
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LT1767 Demo Circuit - 1.5A 1.25MHz Step-Down Regulator (12V to 3.3V @ 1A) |
| 文档名称 |
文档类型 |
软件 |
描述 |
| LTC3851IMSE#TRPBFPDF下载 |
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R388 Reliability Data |