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LM5007降压开关稳压器具有实现低成本高效率的降压偏置稳压器所需的全部功能。此高压稳压器包含一个80V 0.7AN通道降压开关。该器件使用简单,且采用VSSOP-8及热增强型WSON-8封装。该稳压器基于滞回控制方案,导通时间与V IN 成反比。凭借这一特性,该器件在负载和输入电压发生变化时,工作频率能够保持相对恒定。滞回控制无需控制环路补偿,同时可提供极快的负载瞬态响应.LM5007实现了一种智能电流限制方案,其中强制关闭时间与V OUT 成反比。该电流限制方案降低了负载电流折返。其他保护功能包括:热关断,V CC < /sub>欠压锁定,栅极驱动欠压锁定和最大占空比限幅器。
所有商标均为其各自所有者的财产。
Vin (Min) (V) |
Vin (Max) (V) |
Vout (Min) (V) |
Vout (Max) (V) |
Iout (Max) (A) |
Regulated Outputs (#) |
Switching Frequency (Min) (kHz) |
Switching Frequency (Max) (kHz) |
Iq (Typ) (mA) |
Features |
Control Mode |
Duty Cycle (Max) (%) |
Operating Temperature Range (C) |
Rating |
Package Group |
LM5007 | LM25010 | LM25017 | LM5010 | LM5010A | LM5010A-Q1 | LM5017 | LM5160-Q1 | LM5160A |
---|---|---|---|---|---|---|---|---|
9 | 6 | 7.5 | 8 | 6 | 6 | 7.5 | 4.5 | 4.5 |
75 | 42 | 48 | 75 | 75 | 75 | 100 | 65 | 65 |
2.5 | 2.5 | 1.25 | 2.5 | 2.5 | 2.5 | 1.25 | 2 | 2 |
73 | 37 | 40 | 70 | 70 | 70 | 90 | 60 | 60 |
0.5 | 1 | 0.65 | 1 | 1 | 1 | 0.65 | 1.5 | 2 |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
50 | 50 | 240 | 50 | 50 | 50 | 50 | 50 | 50 |
800 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
0.5 | 0.645 | 1.75 | 0.65 | 0.65 | 0.65 | 1.75 | 2.3 | 2.3 |
Enable | Enable | Synchronous Rectification | Enable | Enable | Enable | Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable | Enable Light Load Efficiency Pre-Bias Start-Up Synchronous Rectification UVLO Adjustable |
Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) | Constant on-time (COT) |
99 | 99 | 90 | 99 | 99 | 99 | 90 | 92 | 92 |
-40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 150 | -40 to 125 -40 to 150 | -40 to 125 | -40 to 125 | -40 to 125 |
Catalog | Catalog | Catalog | Catalog | Catalog | Automotive | Catalog | Automotive | Catalog |
VSSOP WSON | HTSSOP WSON | SO PowerPAD WSON | HTSSOP WSON | HTSSOP WSON | HTSSOP | SO PowerPAD WSON | HTSSOP | WSON |
型号:LM5007MM/NOPB 封装:VSSOP8_3X3MM
品牌:TI 描述:NO降压 Vin=9V~75V 1降压型500mA-40℃~+125℃@(TJ)可调2.5V~73V VSSOP8_3X3MM DC-DC变换器
金额:¥3.10240
去购买型号:LM5007MMX/NOPB 封装:VSSOP8
品牌:TI 描述:NO降压9V~75V 1降压型500mA-40℃~+125℃@(TJ)可调2.5V~73V VSSOP8_3X3MM DC-DC变换器
金额:¥5.14439
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