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LT3008IDCPBF Datasheet(PDF) 1 Page - Linear Technology |
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LT3008IDCPBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 20 page LT3008 Series 1 3008fa 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 Regulators The LT®3008 series are micropower, low dropout voltage (LDO) linear regulators. The devices supply 20mA output current with a dropout voltage of 300mV. No-load quiescent current 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 regulators optimize stability and transient response with low ESR ceramic capacitors, requiring a minimum of only 2.2μF. The regulators do 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 series are ideal for applications that require moderate output drive capability coupled with ultralow standby power consumption. The device is available in fixed output voltages of 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5V, and an adjustable version with an output voltage range of 0.6V to 44.5V. The LT3008 is available in the thermally enhanced 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 Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V 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 IN SHDN 2.2μF 3008 TA01a OUT SENSE VIN 3.8V TO 45V GND LT3008-3.3 VOUT 3.3V 20mA 1μF Dropout Voltage/Quiescent Current L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
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