Datasheet LT3011 (Analog Devices) - 4
| Hersteller | Analog Devices |
| Beschreibung | 50mA, 3V to 80V Low Dropout Micropower Linear Regulator with PWRGD |
| Seiten / Seite | 16 / 4 — ELECTRICAL CHARACTERISTICS (LT3011H). The |
| Dateiformat / Größe | PDF / 236 Kb |
| Dokumentensprache | Englisch |
ELECTRICAL CHARACTERISTICS (LT3011H). The
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Textversion des Dokuments
LT3011
ELECTRICAL CHARACTERISTICS (LT3011H) The
l
denotes the specifi cations which apply over the –40°C to 150°C operating temperature range, otherwise specifi cations are at TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Dropout Voltage ILOAD = 1mA 100 150 mV VIN = VOUT(NOMINAL) ILOAD = 1mA l 220 mV (Notes 4, 5) ILOAD = 10mA 200 260 mV ILOAD = 10mA l 380 mV ILOAD = 50mA 300 370 mV ILOAD = 50mA l 575 mV GND Pin Current ILOAD = 0mA l 46 125 μA VIN = VOUT(NOMINAL) ILOAD = 1mA l 105 225 μA (Notes 4, 6) ILOAD = 10mA l 410 750 μA ILOAD = 50mA l 1.9 3.5 mA Output Voltage Noise COUT = 10μF, ILOAD = 50mA, BW = 10Hz to 100kHz, VOUT = 1.24V 100 μVRMS ADJ Pin Bias Current (Note 7) 30 100 nA Shutdown Threshold VOUT = Off to On l 1.3 2 V VOUT = On to Off l 0.3 1.1 V SHDN Pin Current (Note 8) VSHDN = 0V 0.5 2 μA VSHDN = 6V 0.1 0.5 μA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 1 5 μA PWRGD Trip Point % of Nominal Output Voltage, Output Rising l 85 90 95 % PWRGD Trip Point Hysteresis % of Nominal Output Voltage 1.1 % PWRGD Output Low Voltage IPWRGD = 50μA l 140 250 mV CT Pin Charging Current l 3 6 μA CT Pin Voltage Differential VCT(PWRGD High) – VCT(PWRGD Low) 1.67 V Ripple Rejection VIN = 7V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 50mA 65 85 dB Current Limit VIN = 7V, VOUT = 0V 140 mA VIN = 4V, ΔVOUT = –0.1V (Note 2) l 60 mA Input Reverse Leakage Current VIN = –80V, VOUT = 0V l 6 mA Reverse Output Current (Note 9) VOUT = 1.24V, VIN < 1.24V (Note 2) 8 15 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings dropout region. This is the worst-case GND pin current. The GND pin may cause permanent damage to the device. Exposure to any Absolute current will decrease slightly at higher input voltages. Maximum Rating condition for extended periods may affect device
Note 7:
ADJ pin bias current fl ows into the ADJ pin. reliability and lifetime.
Note 8:
SHDN pin current fl ows out of the SHDN pin.
Note 2:
The LT3011 is tested and specifi ed for these conditions with the
Note 9:
Reverse output current is tested with the IN pin grounded and the ADJ pin connected to the OUT pin. OUT pin forced to the rated output voltage. This current fl ows into the OUT
Note 3:
Operating conditions are limited by maximum junction pin and out the GND pin. temperature. The regulated output voltage specifi cation will not apply
Note 10:
The LT3011 regulators are tested and specifi ed under pulse for all possible combinations of input voltage and output current. When load conditions such that TJ ≅ TA. The LT3011E regulators are 100% operating at maximum input voltage, the output current range must be tested at TA = 25°C. Performance of the LT3011E over the full –40°C limited. When operating at maximum output current, the input voltage to 125°C operating junction temperature range is assured by design, range must be limited. characterization and correlation with statistical process controls. The
Note 4:
To satisfy requirements for minimum input voltage, the LT3011 LT3011I regulators are guaranteed over the full –40°C to 125°C operating is tested and specifi ed for these conditions with an external resistor junction temperature range. The LT3011H is tested to the LT3011H divider (249k bottom, 409k top) for an output voltage of 3.3V. The external Electrical Characteristics table at 150°C operating junction temperature. resistor divider will add a 5μA DC load on the output. High junction temperatures degrade operating lifetimes. Operating lifetime is derated at junction temperatures greater than 125°C.
Note 5:
Dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a specifi ed output current. In dropout, the
Note 11:
This IC includes overtemperature protection that is intended to protect output voltage will be equal to (V the device during momentary overload conditions. Junction temperature will IN – VDROPOUT). exceed 125°C (LT3011E/LT3011I) or 150°C (LT3011H) when overtemperature
Note 6:
GND pin current is tested with VIN = VOUT(NOMINAL) and a current protection is active. Continuous operation above the specifi ed maximum source load. This means the device is tested while operating close to its operating junction temperature may impair device reliability. 3011f 4
ELECTRICAL CHARACTERISTICS (LT3011H) The
l
denotes the specifi cations which apply over the –40°C to 150°C operating temperature range, otherwise specifi cations are at TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Dropout Voltage ILOAD = 1mA 100 150 mV VIN = VOUT(NOMINAL) ILOAD = 1mA l 220 mV (Notes 4, 5) ILOAD = 10mA 200 260 mV ILOAD = 10mA l 380 mV ILOAD = 50mA 300 370 mV ILOAD = 50mA l 575 mV GND Pin Current ILOAD = 0mA l 46 125 μA VIN = VOUT(NOMINAL) ILOAD = 1mA l 105 225 μA (Notes 4, 6) ILOAD = 10mA l 410 750 μA ILOAD = 50mA l 1.9 3.5 mA Output Voltage Noise COUT = 10μF, ILOAD = 50mA, BW = 10Hz to 100kHz, VOUT = 1.24V 100 μVRMS ADJ Pin Bias Current (Note 7) 30 100 nA Shutdown Threshold VOUT = Off to On l 1.3 2 V VOUT = On to Off l 0.3 1.1 V SHDN Pin Current (Note 8) VSHDN = 0V 0.5 2 μA VSHDN = 6V 0.1 0.5 μA Quiescent Current in Shutdown VIN = 6V, VSHDN = 0V 1 5 μA PWRGD Trip Point % of Nominal Output Voltage, Output Rising l 85 90 95 % PWRGD Trip Point Hysteresis % of Nominal Output Voltage 1.1 % PWRGD Output Low Voltage IPWRGD = 50μA l 140 250 mV CT Pin Charging Current l 3 6 μA CT Pin Voltage Differential VCT(PWRGD High) – VCT(PWRGD Low) 1.67 V Ripple Rejection VIN = 7V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 50mA 65 85 dB Current Limit VIN = 7V, VOUT = 0V 140 mA VIN = 4V, ΔVOUT = –0.1V (Note 2) l 60 mA Input Reverse Leakage Current VIN = –80V, VOUT = 0V l 6 mA Reverse Output Current (Note 9) VOUT = 1.24V, VIN < 1.24V (Note 2) 8 15 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings dropout region. This is the worst-case GND pin current. The GND pin may cause permanent damage to the device. Exposure to any Absolute current will decrease slightly at higher input voltages. Maximum Rating condition for extended periods may affect device
Note 7:
ADJ pin bias current fl ows into the ADJ pin. reliability and lifetime.
Note 8:
SHDN pin current fl ows out of the SHDN pin.
Note 2:
The LT3011 is tested and specifi ed for these conditions with the
Note 9:
Reverse output current is tested with the IN pin grounded and the ADJ pin connected to the OUT pin. OUT pin forced to the rated output voltage. This current fl ows into the OUT
Note 3:
Operating conditions are limited by maximum junction pin and out the GND pin. temperature. The regulated output voltage specifi cation will not apply
Note 10:
The LT3011 regulators are tested and specifi ed under pulse for all possible combinations of input voltage and output current. When load conditions such that TJ ≅ TA. The LT3011E regulators are 100% operating at maximum input voltage, the output current range must be tested at TA = 25°C. Performance of the LT3011E over the full –40°C limited. When operating at maximum output current, the input voltage to 125°C operating junction temperature range is assured by design, range must be limited. characterization and correlation with statistical process controls. The
Note 4:
To satisfy requirements for minimum input voltage, the LT3011 LT3011I regulators are guaranteed over the full –40°C to 125°C operating is tested and specifi ed for these conditions with an external resistor junction temperature range. The LT3011H is tested to the LT3011H divider (249k bottom, 409k top) for an output voltage of 3.3V. The external Electrical Characteristics table at 150°C operating junction temperature. resistor divider will add a 5μA DC load on the output. High junction temperatures degrade operating lifetimes. Operating lifetime is derated at junction temperatures greater than 125°C.
Note 5:
Dropout voltage is the minimum input to output voltage differential needed to maintain regulation at a specifi ed output current. In dropout, the
Note 11:
This IC includes overtemperature protection that is intended to protect output voltage will be equal to (V the device during momentary overload conditions. Junction temperature will IN – VDROPOUT). exceed 125°C (LT3011E/LT3011I) or 150°C (LT3011H) when overtemperature
Note 6:
GND pin current is tested with VIN = VOUT(NOMINAL) and a current protection is active. Continuous operation above the specifi ed maximum source load. This means the device is tested while operating close to its operating junction temperature may impair device reliability. 3011f 4