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LT3008IDC-TR Datasheet(PDF) 1 Page - Linear Technology |
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LT3008IDC-TR Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page LT3008 1 3008f TEMPERATURE (°C) 400 3008 TA01b 200 100 50 0 500 300 250 150 5 350 2 3 1 0 6 450 4 –50 –25 0 25 50 75 100 125 150 ILOAD = 20mA DROPOUT VOLTAGE IQ TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION 3µA IQ, 20mA, 45V Low Dropout Linear Regulator The LT®3008 is a micropower, low dropout voltage (LDO) linear regulator. The device supplies 20mA output current with a dropout voltage of 300mV. No-load quiescent cur- rent is 3μA. Ground pin current remains at less than 5% of output current as load increases. In shutdown, quiescent current is less than 1μA. The LT3008 regulator optimizes stability and transient response with low ESR ceramic capacitors, requiring a minimum of only 2.2μF. The LT3008 does not require the addition of ESR as is common with other regulators. Internal protection circuitry includes current limiting, thermal limiting, reverse-battery protection and reverse- current protection. The LT3008 is ideal for applications that require moderate output drive capability coupled with ultralow standby power consumption. The device is available as an adjustable device with an output voltage range down to the 600mV reference. The LT3008 is available in the 6-lead DFN and 8-lead TSOT-23 packages. 3.3V, 20mA Supply with Shutdown n Ultralow Quiescent Current: 3μA n Input Voltage Range: 2.0V to 45V n Output Current: 20mA n Dropout Voltage: 300mV n Adjustable Output (VADJ = VOUT(MIN) = 600mV) n Output Tolerance: ±2% Over Load, Line and Temperature n Stable with Low ESR, Ceramic Output Capacitors (2.2μF minimum) n Shutdown Current: <1μA n Current Limit Protection n Reverse-Battery Protection n Thermal Limit Protection n TSOT-23 and 2mm × 2mm DFN Packages n Automotive n Low Current Battery-Powered Systems n Keep-Alive Power Supplies n Remote Monitoring n Utility Meters n Low Power Industrial Applications , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. IN SHDN 2.2μF 3008 TA01a OUT ADJ VIN 3.8V TO 45V GND LT3008 VOUT 3.3V 20mA 1μF 2.8M 1% 619k 1% Dropout Voltage/Quiescent Current |
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