Datasheet LT3009 (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | 3µA IQ, 20mA Low Dropout Linear Regulators |
| Seiten / Seite | 20 / 1 — FEATURES. DESCRIPTION. Ultralow Quiescent Current: 3μA. Input Voltage … |
| Dateiformat / Größe | PDF / 269 Kb |
| Dokumentensprache | Englisch |
FEATURES. DESCRIPTION. Ultralow Quiescent Current: 3μA. Input Voltage Range: 1.6V to 20V. Output Current: 20mA
Modelllinie für dieses Datenblatt
- LT3009EDC#PBF LT3009EDC#TRMPBF LT3009EDC#TRMPBF LT3009EDC#TRPBF LT3009EDC#TRPBF LT3009EDC-1.2#PBF LT3009EDC-1.2#TRMPBF LT3009EDC-1.2#TRMPBF LT3009EDC-1.2#TRPBF LT3009EDC-1.2#TRPBF LT3009EDC-1.5#PBF LT3009EDC-1.5#TRMPBF LT3009EDC-1.5#TRMPBF LT3009EDC-1.5#TRPBF LT3009EDC-1.5#TRPBF LT3009EDC-1.8#PBF LT3009EDC-1.8#TRMPBF LT3009EDC-1.8#TRMPBF LT3009EDC-1.8#TRPBF LT3009EDC-1.8#TRPBF LT3009EDC-2.5#PBF LT3009EDC-2.5#TRMPBF LT3009EDC-2.5#TRMPBF LT3009EDC-2.5#TRPBF LT3009EDC-2.5#TRPBF LT3009EDC-3.3#PBF LT3009EDC-3.3#TRMPBF LT3009EDC-3.3#TRMPBF LT3009EDC-3.3#TRPBF LT3009EDC-3.3#TRPBF LT3009EDC-5#PBF LT3009EDC-5#TRMPBF LT3009EDC-5#TRMPBF LT3009EDC-5#TRPBF LT3009EDC-5#TRPBF LT3009ESC8#PBF LT3009ESC8#TRMPBF LT3009ESC8#TRMPBF LT3009ESC8#TRPBF LT3009ESC8#TRPBF LT3009ESC8-1.2#PBF LT3009ESC8-1.2#TRMPBF LT3009ESC8-1.2#TRMPBF LT3009ESC8-1.2#TRPBF LT3009ESC8-1.2#TRPBF LT3009ESC8-1.5#PBF LT3009ESC8-1.5#TRMPBF LT3009ESC8-1.5#TRMPBF LT3009ESC8-1.5#TRPBF LT3009ESC8-1.5#TRPBF LT3009ESC8-1.8#PBF LT3009ESC8-1.8#TRMPBF LT3009ESC8-1.8#TRMPBF LT3009ESC8-1.8#TRPBF LT3009ESC8-1.8#TRPBF LT3009ESC8-2.5#PBF LT3009ESC8-2.5#TRMPBF LT3009ESC8-2.5#TRMPBF LT3009ESC8-2.5#TRPBF LT3009ESC8-2.5#TRPBF LT3009ESC8-3.3#PBF LT3009ESC8-3.3#TRMPBF LT3009ESC8-3.3#TRMPBF LT3009ESC8-3.3#TRPBF LT3009ESC8-3.3#TRPBF LT3009ESC8-5#PBF LT3009ESC8-5#TRMPBF LT3009ESC8-5#TRMPBF LT3009ESC8-5#TRPBF LT3009ESC8-5#TRPBF LT3009IDC#PBF LT3009IDC#TRMPBF LT3009IDC#TRMPBF LT3009IDC#TRPBF LT3009IDC#TRPBF LT3009IDC-1.2#PBF LT3009IDC-1.2#TRMPBF LT3009IDC-1.2#TRMPBF LT3009IDC-1.2#TRPBF LT3009IDC-1.2#TRPBF LT3009IDC-1.5#PBF LT3009IDC-1.5#TRMPBF LT3009IDC-1.5#TRMPBF LT3009IDC-1.5#TRPBF LT3009IDC-1.5#TRPBF LT3009IDC-1.8#PBF LT3009IDC-1.8#TRMPBF LT3009IDC-1.8#TRMPBF LT3009IDC-1.8#TRPBF LT3009IDC-1.8#TRPBF LT3009IDC-2.5#PBF LT3009IDC-2.5#TRMPBF LT3009IDC-2.5#TRMPBF LT3009IDC-2.5#TRPBF LT3009IDC-2.5#TRPBF LT3009IDC-3.3#PBF LT3009IDC-3.3#TRMPBF LT3009IDC-3.3#TRMPBF LT3009IDC-3.3#TRPBF LT3009IDC-3.3#TRPBF LT3009IDC-5#PBF LT3009IDC-5#TRMPBF LT3009IDC-5#TRMPBF LT3009IDC-5#TRPBF LT3009IDC-5#TRPBF
Textversion des Dokuments
LT3009 Series 3µA IQ, 20mA Low Dropout Linear Regulators
FEATURES DESCRIPTION
n
Ultralow Quiescent Current: 3μA
The LT®3009 Series are micropower, low dropout voltage n
Input Voltage Range: 1.6V to 20V
(LDO) linear regulators. The devices supply 20mA output n
Output Current: 20mA
current with a dropout voltage of 280mV. No-load quiescent n
Dropout Voltage: 280mV
current is 3μA. Ground pin current remains at less than n
Adjustable Output (VADJ = VOUT(MIN) = 600mV)
5% of output current as load increases. In shutdown, n
Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V,
quiescent current is less than 1μA.
3.3V, 5V
The LT3009 regulators optimize stability and transient n Output Tolerance: ±2% Over Load, Line and Temperature response with low ESR ceramic capacitors, requiring a n Stable with Low ESR, Ceramic Output Capacitors minimum of only 1μF. The regulators do not require the (1μF minimum) addition of ESR as is common with other regulators. n Shutdown Current: <1μA Internal protection circuitry includes current limiting, n Current Limit Protection thermal limiting, reverse-battery protection and reverse- n Reverse-Battery Protection current protection. n Thermal Limit Protection n 8-Lead SC70 and 2mm × 2mm DFN Packages The LT3009 Series are ideal for applications that require moderate output drive capability coupled with ultralow
APPLICATIONS
standby power consumption. The device is available in fi xed output voltages of 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5V, n and as an adjustable device with an output voltage range Low Current Battery-Powered Systems n down to the 600mV reference. The LT3009 is available in Keep-Alive Power Supplies n the 6-lead DFN and 8-lead SC70 packages. Remote Monitoring L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Utility Meters Technology Corporation. All other trademarks are the property of their respective owners. Hotel Door Locks
TYPICAL APPLICATION 3.3V, 20mA Supply with Shutdown Dropout Voltage/Quiescent Current
500 5.0 ILOAD = 20mA 450 4.5 VOUT IN OUT 3.3V QUIESCENT CURRENT (μA) V 400 4.0 IN 20mA 3.75V TO 1μF 1μF 350 3.5 20V LT3009-3.3 DROPOUT 300 VOLTAGE 3.0 SHDN 250 IQ 2.5 GND 200 2.0 150 1.5 3009 TA01a DROPOUT VOLTAGE (mV) 100 1.0 50 0.5 0 0 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) 3009 TA01b 3009fd 1
FEATURES DESCRIPTION
n
Ultralow Quiescent Current: 3μA
The LT®3009 Series are micropower, low dropout voltage n
Input Voltage Range: 1.6V to 20V
(LDO) linear regulators. The devices supply 20mA output n
Output Current: 20mA
current with a dropout voltage of 280mV. No-load quiescent n
Dropout Voltage: 280mV
current is 3μA. Ground pin current remains at less than n
Adjustable Output (VADJ = VOUT(MIN) = 600mV)
5% of output current as load increases. In shutdown, n
Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V,
quiescent current is less than 1μA.
3.3V, 5V
The LT3009 regulators optimize stability and transient n Output Tolerance: ±2% Over Load, Line and Temperature response with low ESR ceramic capacitors, requiring a n Stable with Low ESR, Ceramic Output Capacitors minimum of only 1μF. The regulators do not require the (1μF minimum) addition of ESR as is common with other regulators. n Shutdown Current: <1μA Internal protection circuitry includes current limiting, n Current Limit Protection thermal limiting, reverse-battery protection and reverse- n Reverse-Battery Protection current protection. n Thermal Limit Protection n 8-Lead SC70 and 2mm × 2mm DFN Packages The LT3009 Series are ideal for applications that require moderate output drive capability coupled with ultralow
APPLICATIONS
standby power consumption. The device is available in fi xed output voltages of 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5V, n and as an adjustable device with an output voltage range Low Current Battery-Powered Systems n down to the 600mV reference. The LT3009 is available in Keep-Alive Power Supplies n the 6-lead DFN and 8-lead SC70 packages. Remote Monitoring L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Utility Meters Technology Corporation. All other trademarks are the property of their respective owners. Hotel Door Locks
TYPICAL APPLICATION 3.3V, 20mA Supply with Shutdown Dropout Voltage/Quiescent Current
500 5.0 ILOAD = 20mA 450 4.5 VOUT IN OUT 3.3V QUIESCENT CURRENT (μA) V 400 4.0 IN 20mA 3.75V TO 1μF 1μF 350 3.5 20V LT3009-3.3 DROPOUT 300 VOLTAGE 3.0 SHDN 250 IQ 2.5 GND 200 2.0 150 1.5 3009 TA01a DROPOUT VOLTAGE (mV) 100 1.0 50 0.5 0 0 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) 3009 TA01b 3009fd 1