Linear Technology Corp. recently unveiled a new higher temperature “H-grade” version of the LT3086 in the TSSOP package. The 40-V, 2.1-A low dropout linear regulator (LDO) includes current monitoring with externally settable current limit and temperature monitoring with external control of thermal limit temperature. It comprises a programmable power good status flag, cable drop compensation, and easy paralleling. The current reference provides regulation independent of output voltage.
The LT3086’s features and specifications include:
- –40°C to 150°C (H-Grade TSSOP Only) Operating Junction Temperature Range
- 1.4 to 40 V Input Voltage Range
- One Resistor Sets Output Voltage: 0.4 to 32 V
- Output Current: 2.1 A
- ±2% Tolerance Over Line, Load and Temperature
- Output Current Monitor: IMON = IOUT/1000
- Temperature Monitor with Programmable Thermal Limit
- Programmable Current Limit
- Programmable Cable Drop Compensation
- Parallel Multiple Devices for Higher Current
- Dropout Voltage: 330 mV
- One Capacitor Soft-Starts Output and Decreases Noise
- Low Output Noise: 40 μVRMS (10 Hz to 100 kHz)
- Precision, Programmable External Current Limit
- Power Good Flag with Programmable Threshold
- Ceramic Output Capacitors: 10 μF Minimum
- Quiescent Current in Shutdown: less than 1 μA
- Reverse-Battery, Reverse-Current Protection
- Available in 4 mm × 5 mm 16-Lead DFN, 16-Lead TSSOP, Seven-Lead DD-PAK and Seven-Lead TO-220 Packages
Source: Linear Technology
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