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| 型号： | LM2588T-3.3/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 3/38页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 3.3V TO220-7 |
| 产品培训模块： | SIMPLE SWITCHER® Regulators |
| 标准包装： | 45 |
| 系列： | SIMPLE SWITCHER® |
| 类型： | 升压（升压），回扫，正向转换器 |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V |
| 输入电压： | 4 V ~ 40 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 100kHz ~ 200kHz |
| 电流 - 输出： | 5A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-220-7 成形引线 |
| 包装： | 管件 |
| 供应商设备封装： | TO-220-7 |
| 配用： | 551011367-051-ND - BOARD WEBENCH BUILD IT LM2586/88 |
| 其它名称： | *LM2588T-3.3 *LM2588T-3.3/NOPB LM2588T-3.3 |
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Absolute Maximum Ratings (1) (2)
Input Voltage
Switch Voltage
Switch Current (3)
Compensation Pin Voltage
Feedback Pin Voltage
ON /OFF Pin Voltage
Sync Pin Voltage
Power Dissipation (4)
Storage Temperature Range
SNVS117D – APRIL 1998 – REVISED APRIL 2013
? 0.4V ≤ V IN ≤ 45V
? 0.4V ≤ V SW ≤ 65V
Internally Limited
? 0.4V ≤ V COMP ≤ 2.4V
? 0.4V ≤ V FB ≤ 2 V OUT
? 0.4V ≤ V SH ≤ 6V
? 0.4V ≤ V SYNC ≤ 2V
Internally Limited
? 65°C to +150°C
Lead Temperature
Maximum Junction Temperature
Minimum ESD Rating
(4)
(Soldering, 10 sec.)
(C = 100 pF, R = 1.5 k Ω )
260°C
150°C
2 kV
(1)
(2)
(3)
(4)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. These ratings apply when the current is
limited to less than 1.2 mA for pins 1, 2, 3, and 6. Operating ratings indicate conditions for which the device is intended to be functional,
but device parameter specifications may not be ensured under these conditions. For ensured specifications and test conditions, see the
Electrical Characteristics.
If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications.
Note that switch current and output current are not identical in a step-up regulator. Output current cannot be internally limited when the
LM2588 is used as a step-up regulator. To prevent damage to the switch, the output current must be externally limited to 5A. However,
output current is internally limited when the LM2588 is used as a flyback regulator (see the Application Hints section for more
information).
The junction temperature of the device (T J ) is a function of the ambient temperature (T A ), the junction-to-ambient thermal resistance
( θ JA ), and the power dissipation of the device (P D ). A thermal shutdown will occur if the temperature exceeds the maximum junction
temperature of the device: P D × θ JA + T A(MAX) ≥ T J(MAX) . For a safe thermal design, check that the maximum power dissipated by the
device is less than: P D ≤ [T J(MAX) ? T A(MAX) ]/ θ JA . When calculating the maximum allowable power dissipation, derate the maximum
junction temperature—this ensures a margin of safety in the thermal design.
Operating Ratings
Supply Voltage
Output Switch Voltage
Output Switch Current
Junction Temperature Range
4V ≤ V IN ≤ 40V
0V ≤ V SW ≤ 60V
I SW ≤ 5.0A
? 40°C ≤ T J ≤ +125°C
Copyright ? 1998–2013, Texas Instruments Incorporated
Product Folder Links: LM2588
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM2588T-5.0 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2588T-5.0/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2588T50 | 制造商:Texas Instruments 功能描述:SWITCHING REG 5A 5.0V 2588 TO-220 |
| LM2588T-ADJ | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2588T-ADJ | 制造商:Texas Instruments 功能描述:SWITCHING REG 5A ADJ 2588 TO2207 |
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