LT1005
过期Logic Controlled Regulator
产品详情
- Obsolete: Datasheet For Information Purposes Only. Contact Analog Devices for Potential Replacement
- Two Regulated Outputs
- +5V at 1 amp
- +5V at 35mA
- 2% Output Voltage Tolerance
- 66 dB Ripple Rejection
- 0.5% Load Regulation
- TTL and CMOS Compatible Logic Control
- 100% Thermal Burn-in On All Devices
Obsolete: Datasheet For Information Purposes Only. Contact Analog Devices for Potential Replacement
The LT1005 features two positive 5 volt regulators in the same package. The main regulator offers excellent performance while supplying load currents up to 1 amp, and the auxiliary regulator provides similar performance while supplying lighter loads of 35mA. The main regulator has the additional feature of being under the shutdown control of a logic signal. When the enable pin is taken to a low logic level, the main regulator shuts down and its output voltage goes to a near zero volts. During this command, the auxiliary output is unaffected by the main regulator's condition and continues to provide a 5 volt output.
The main output has current and power limiting combined with thermal shutdown to make it virtually blowout proof. The auxiliary output is not affected by the thermal shutdown mechanism or the state of the main output, allowing it to be used as a back-up in case of overloads or shorts on the main supply.
The logic input of the LT1005 (enable pin) has a 1.6V threshold and can be driven from a high source impedance. This allows it to be driven by most logic families, including TTL & CMOS.
Applications
- Power Supply Sequencing
- Remote On/Off Power Control
- Selective System Power During Emergency Power Operation
- Memory Power Supply With Back-Up
参考资料
数据手册 1
可靠性数据 1
应用笔记 4
这是最新版本的数据手册
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| 部分模型 | 产品周期 | 描述 |
|---|---|---|
| LT1086 | 量产 | 1.5A、可调及固定 2.85V、3.3V、3.6V、5V、12V 低压差正稳压器 |
| LT1963A 系列 | 推荐新设计使用 | 1.5A、低噪声、快速瞬态响应 LDO 稳压器 |
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