| 安装类型 |
Surface Mount |
| 工作温度 |
-40°C ~ 85°C |
| 输出数 |
2 |
| 同步整流器 |
Yes |
| Vin Max (V) |
38 |
| New |
no |
| Ishutdown (uA) |
0.01 |
| Featured |
no |
| Extended Temp |
E, I |
| 内部开关 |
No |
| Frequency (kHz) |
850 |
| Polyphase (yes/no) |
yes |
| Vout Maximum |
24V |
| Tracking (yes/no) |
no |
| Frequency Adjust Range |
50kHz - 900kHz |
| Synchronous (yes/no) |
yes |
| Max Phases (#) |
2 |
| Number of Outputs |
2 |
| Architecture |
Constant Frequency Current Mode |
| Vout Min (V) |
0.8 |
| Topology |
Buck |
| Sense Resistor |
Rsense, DCR |
| Monolithic (yes/no) |
no |
| Output Current (A) |
25 |
| 输入电压 |
4 ~ 38 V |
| 输出电压 |
0.8 ~ 24 V |
| 类型 |
Step-Down (Buck) |
| Vin Min (V) |
4 |
| Isupply (mA) |
0.05 |
| Comments |
Low IQ, Dual, 2-Phase Synchronous Step-Down Step-Down Controller |
| Packages |
QFN-32 |
| Date Added |
2009-07-28 |
| Price 1k * |
$4.47 (LTC3857EGN-1#PBF) |
| 开关频率 |
50kHz ~ 900kHz |
| 输出电流 |
25A |
| Features |
Burst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good |
| Switch Current (A) |
25 |
| Vout Max (V) |
24 |
| Frequency Sync Range |
75kHz - 850kHz |