Datasheet LT3013 (Analog Devices) - 4

LT3013
ELECTRICAL CHARACTERISTICS (LT3013H) The
l
denotes the specifi cations which apply over the –40°C to 140°C operating temperature range, otherwise specifi cations are at TJ = 25°C. PARAMETER CONDITIONS MIN TYP MAX UNITS
Dropout Voltage ILOAD = 10mA 160 230 mV VIN = VOUT(NOMINAL) (Notes 4, 5) ILOAD = 10mA l 320 mV ILOAD = 50mA 250 340 mV ILOAD = 50mA l 450 mV ILOAD = 200mA 360 490 mV ILOAD = 200mA l 630 mV GND Pin Current ILOAD = 0mA l 65 130 μA VIN = 4.75V ILOAD = 100mA 3 mA (Notes 4, 6) ILOAD = 200mA l 7 18 mA Output Voltage Noise COUT = 10μF, ILOAD = 200mA, BW = 10Hz to 100kHz 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 0.8 V SHDN Pin Current (Note 8) VSHDN = 0V 0.3 2 μA VSHDN = 6V 0.1 1 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 3.0 6 μA CT Pin Voltage Differential VCT(PWRGD High) – VCT(PWRGD Low) 1.6 V Ripple Rejection VIN = 7V(Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 200mA 65 75 dB Current Limit VIN = 7V, VOUT = 0V 400 mA VIN = 4.75V, ΔVOUT = –0.1V (Note 2) l 200 mA Reverse Output Current (Note 9) VOUT = 1.24V, VIN < 1.24V (Note 2) 12 25 μA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 7:
ADJ pin bias current fl ows into the ADJ pin. may cause permanent damage to the device. Exposure to any Absolute
Note 8:
SHDN pin current fl ows out of the SHDN pin. Maximum Rating condition for extended periods may affect device
Note 9:
Reverse output current is tested with the IN pin grounded and the reliability and lifetime. OUT pin forced to the rated output voltage. This current fl ows into the OUT
Note 2:
The LT3013 is tested and specifi ed for these conditions with the pin and out the GND pin. ADJ pin connected to the OUT pin.
Note 10:
The LT3013E is guaranteed to meet performance specifi cations
Note 3:
Operating conditions are limited by maximum junction from 0°C to 125°C operating junction temperature. Specifi cations over temperature. The regulated output voltage specifi cation will not apply the –40°C to 125°C operating junction temperature range are assured by for all possible combinations of input voltage and output current. When design, characterization and correlation with statistical process controls. operating at maximum input voltage, the output current range must be The LT3013H is tested to the LT3013H Electrical Characteristics table at limited. When operating at maximum output current, the input voltage 140°C operating junction temperature. High junction temperatures degrade range must be limited. operating lifetimes. Operating lifetime is derated at junction temperatures
Note 4:
To satisfy requirements for minimum input voltage, the LT3013 is greater than 125°C. The LT3013MP is 100% tested and guaranteed over tested and specifi ed for these conditions with an external resistor divider the –55°C to 125°C operating junction temperature range. (249k bottom, 649k top) for an output voltage of 4.5V. The external
Note 11:
This IC includes overtemperature protection that is intended resistor divider will add a 5μA DC load on the output. to protect the device during momentary overload conditions. Junction
Note 5:
Dropout voltage is the minimum input to output voltage differential temperature will exceed 125°C (LT3013E, LT3013MP) or 140°C (LT3013H) needed to maintain regulation at a specifi ed output current. In dropout, the when overtemperature protection is active. Continuous operation above output voltage will be equal to (VIN – VDROPOUT). the specifi ed maximum operating junction temperature may impair device
Note 6:
GND pin current is tested with V reliability. IN = 4.75V and a current source load. This means the device is tested while operating close to its dropout region. This is the worst-case GND pin current. The GND pin current will decrease slightly at higher input voltages. 3013fe 4