Datasheet LT1761 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 100mA, Low Noise, LDO Micropower Regulators in TSOT-23 |
| Páginas / Página | 22 / 6 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| Formato / tamaño de archivo | PDF / 1.2 Mb |
| Idioma del documento | Inglés |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating
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Versión de texto del documento
LT1761 Series
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
GND Pin Current ILOAD = 0mA l 20 45 μA VIN = VOUT(NOMINAL) ILOAD = 1mA l 55 100 μA (Notes 5, 7) ILOAD = 10mA l 230 400 μA ILOAD = 50mA l 1 2 mA ILOAD = 100mA l 2.2 4 mA Output Voltage Noise COUT = 10μF, CBYP = 0.01μF, ILOAD = 100mA, BW = 10Hz to 100kHz 20 μVRMS ADJ Pin Bias Current (Notes 3, 8) 30 100 nA Shutdown Threshold VOUT = Off to On l 0.8 2 V VOUT = On to Off l 0.25 0.65 V SHDN Pin Current VSHDN = 0V l 0 0.5 μA (Note 9) VSHDN = 20V l 1 3 μA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 0.01 0.1 μA Ripple Rejection (Note 3) VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 55 65 dB ILOAD = 50mA Current Limit VIN = 7V, VOUT = 0V 200 mA VIN = VOUT(NOMINAL) + 1V or 2.3V (Note 12), ΔVOUT = –5% l 110 mA Input Reverse Leakage Current VIN = –20V, VOUT = 0V l 1 mA Reverse Output Current LT1761-1.2 VOUT = 1.2V, VIN < 1.2V 10 20 μA (Note 10) LT1761-1.5 VOUT = 1.5V, VIN < 1.5V 10 20 μA LT1761-1.8 VOUT = 1.8V, VIN < 1.8V 10 20 μA LT1761-2 VOUT = 2V, VIN < 2V 10 20 μA LT1761-2.5 VOUT = 2.5V, VIN < 2.5V 10 20 μA LT1761-2.8 VOUT = 2.8V, VIN < 2.8V 10 20 μA LT1761-3 VOUT = 3V, VIN < 3V 10 20 μA LT1761-3.3 VOUT = 3.3V, VIN < 3.3V 10 20 μA LT1761-5 VOUT = 5V, VIN < 5V 10 20 μA LT1761 (Note 3) VOUT = 1.22V, VIN < 1.22V 5 10 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
Dropout voltage is the minimum input to output voltage differential may cause permanent damage to the device. Exposure to any Absolute needed to maintain regulation at a specifi ed output current. In dropout, the Maximum Rating condition for extended periods may affect device output voltage will be equal to: VIN – VDROPOUT . reliability and lifetime.
Note 7:
GND pin current is tested with VIN = VOUT(NOMINAL) or VIN = 2.3V
Note 2:
The LT1761 regulators are tested and specifi ed under pulse load (whichever is greater) and a current source load. This means the device conditions such that TJ ≈ TA. The LT1761E is 100% production tested is tested while operating in its dropout region or at the minimum input at TA = 25°C. Performance at –40°C and 125°C is assured by design, voltage specifi cation. This is the worst-case GND pin current. The GND pin characterization and correlation with statistical process controls. The current will decrease slightly at higher input voltages. LT1761I is guaranteed over the full –40°C to 125°C operating junction
Note 8:
ADJ pin bias current fl ows into the ADJ pin. temperature range. The LT1761MP is 100% tested and guaranteed over
Note 9:
SHDN pin current fl ows into the SHDN pin. the –55°C to 125°C operating junction temperature range.
Note 10:
Reverse output current is tested with the IN pin grounded and the
Note 3:
The LT1761 (adjustable versions) are tested and specifi ed for OUT pin forced to the rated output voltage. This current fl ows into the OUT these conditions with the ADJ pin connected to the OUT pin. pin and out the GND pin.
Note 4:
Operating conditions are limited by maximum junction
Note 11:
For the LT1761, LT1761-1.2, LT1761-1.5, LT1761-1.8 and temperature. The regulated output voltage specifi cation will not apply LT1761-2 dropout voltage will be limited by the minimum input voltage for all possible combinations of input voltage and output current. When specifi cation under some output voltage/load conditions. See the curve of operating at maximum input voltage, the output current range must be Minimum Input Voltage in the Typical Performance Characteristics. limited. When operating at maximum output current, the input voltage
Note 12:
To satisfy requirements for minimum input voltage, current limit range must be limited. is tested at VIN = VOUT(NOMINAL) + 1V or VIN = 2.3V, whichever is greater.
Note 5:
To satisfy requirements for minimum input voltage, the LT1761 (adjustable version) is tested and specifi ed for these conditions with an external resistor divider (two 250k resistors) for an output voltage of 2.44V. The external resistor divider will add a 5μA DC load on the output. 1761sff 6 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS APPLICATIONS INFORMATION PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. (Note 2) PARAMETER CONDITIONS MIN TYP MAX UNITS
GND Pin Current ILOAD = 0mA l 20 45 μA VIN = VOUT(NOMINAL) ILOAD = 1mA l 55 100 μA (Notes 5, 7) ILOAD = 10mA l 230 400 μA ILOAD = 50mA l 1 2 mA ILOAD = 100mA l 2.2 4 mA Output Voltage Noise COUT = 10μF, CBYP = 0.01μF, ILOAD = 100mA, BW = 10Hz to 100kHz 20 μVRMS ADJ Pin Bias Current (Notes 3, 8) 30 100 nA Shutdown Threshold VOUT = Off to On l 0.8 2 V VOUT = On to Off l 0.25 0.65 V SHDN Pin Current VSHDN = 0V l 0 0.5 μA (Note 9) VSHDN = 20V l 1 3 μA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 0.01 0.1 μA Ripple Rejection (Note 3) VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P , fRIPPLE = 120Hz, 55 65 dB ILOAD = 50mA Current Limit VIN = 7V, VOUT = 0V 200 mA VIN = VOUT(NOMINAL) + 1V or 2.3V (Note 12), ΔVOUT = –5% l 110 mA Input Reverse Leakage Current VIN = –20V, VOUT = 0V l 1 mA Reverse Output Current LT1761-1.2 VOUT = 1.2V, VIN < 1.2V 10 20 μA (Note 10) LT1761-1.5 VOUT = 1.5V, VIN < 1.5V 10 20 μA LT1761-1.8 VOUT = 1.8V, VIN < 1.8V 10 20 μA LT1761-2 VOUT = 2V, VIN < 2V 10 20 μA LT1761-2.5 VOUT = 2.5V, VIN < 2.5V 10 20 μA LT1761-2.8 VOUT = 2.8V, VIN < 2.8V 10 20 μA LT1761-3 VOUT = 3V, VIN < 3V 10 20 μA LT1761-3.3 VOUT = 3.3V, VIN < 3.3V 10 20 μA LT1761-5 VOUT = 5V, VIN < 5V 10 20 μA LT1761 (Note 3) VOUT = 1.22V, VIN < 1.22V 5 10 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 6:
Dropout voltage is the minimum input to output voltage differential may cause permanent damage to the device. Exposure to any Absolute needed to maintain regulation at a specifi ed output current. In dropout, the Maximum Rating condition for extended periods may affect device output voltage will be equal to: VIN – VDROPOUT . reliability and lifetime.
Note 7:
GND pin current is tested with VIN = VOUT(NOMINAL) or VIN = 2.3V
Note 2:
The LT1761 regulators are tested and specifi ed under pulse load (whichever is greater) and a current source load. This means the device conditions such that TJ ≈ TA. The LT1761E is 100% production tested is tested while operating in its dropout region or at the minimum input at TA = 25°C. Performance at –40°C and 125°C is assured by design, voltage specifi cation. This is the worst-case GND pin current. The GND pin characterization and correlation with statistical process controls. The current will decrease slightly at higher input voltages. LT1761I is guaranteed over the full –40°C to 125°C operating junction
Note 8:
ADJ pin bias current fl ows into the ADJ pin. temperature range. The LT1761MP is 100% tested and guaranteed over
Note 9:
SHDN pin current fl ows into the SHDN pin. the –55°C to 125°C operating junction temperature range.
Note 10:
Reverse output current is tested with the IN pin grounded and the
Note 3:
The LT1761 (adjustable versions) are tested and specifi ed for OUT pin forced to the rated output voltage. This current fl ows into the OUT these conditions with the ADJ pin connected to the OUT pin. pin and out the GND pin.
Note 4:
Operating conditions are limited by maximum junction
Note 11:
For the LT1761, LT1761-1.2, LT1761-1.5, LT1761-1.8 and temperature. The regulated output voltage specifi cation will not apply LT1761-2 dropout voltage will be limited by the minimum input voltage for all possible combinations of input voltage and output current. When specifi cation under some output voltage/load conditions. See the curve of operating at maximum input voltage, the output current range must be Minimum Input Voltage in the Typical Performance Characteristics. limited. When operating at maximum output current, the input voltage
Note 12:
To satisfy requirements for minimum input voltage, current limit range must be limited. is tested at VIN = VOUT(NOMINAL) + 1V or VIN = 2.3V, whichever is greater.
Note 5:
To satisfy requirements for minimum input voltage, the LT1761 (adjustable version) is tested and specifi ed for these conditions with an external resistor divider (two 250k resistors) for an output voltage of 2.44V. The external resistor divider will add a 5μA DC load on the output. 1761sff 6 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS APPLICATIONS INFORMATION PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS