Datasheet MAX1735 (Maxim) - 2

制造商Maxim
描述200mA, Negative-Output, Low-Dropout Linear Regulator in SOT23
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200mA, Negative-Output, Low-Dropout Linear Regulator in SOT23. ABSOLUTE MAXIMUM RATINGS. MAX1735. ELECTRICAL CHARACTERISTICS

200mA, Negative-Output, Low-Dropout Linear Regulator in SOT23 ABSOLUTE MAXIMUM RATINGS MAX1735 ELECTRICAL CHARACTERISTICS

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200mA, Negative-Output, Low-Dropout Linear Regulator in SOT23 ABSOLUTE MAXIMUM RATINGS
IN, SET to GND .. -7.0V to +0.3V Operating Temperature Range ...-40°C to +85°C SHDN to GND .. (VIN - 0.3)V to +7.0V Junction Temperature ..+150°C OUT to GND ...(VIN - 0.3)V to +0.3V Storage Temperature Range .. -65°C to +150°C Output Short-Circuit Duration ..Indefinite Lead Temperature (soldering, 10s) .. +300°C Continuous Power Dissipation (TA = +70°C) 5-Pin SOT23 (derate 7.1mW/°C above +70°C)... 571mW Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
MAX1735
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 2, VIN = VOUT - 1V, VSHDN = VIN, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Voltage VIN -6.5 -2.5 V TA = +25°C, IOUT = -100µA -1 +1 Output Voltage Accuracy IOUT = -100µA, TA = 0°C to +85°C -2 +2 % ILOAD = -100µA to -200mA -3 +2 Circuit of Figure 3, TA = +25°C, IOUT = -100µA -1.2625 -1.25 -1.2375 Circuit of Figure 3, IOUT = -100µA, SET Regulation Set Point -1.275 -1.225 V TA = 0°C to +85°C Circuit of Figure 3, ILOAD = -100µA to -200mA -1.275 -1.2125 Maximum Output Current IOUT -200 mA Current Limit ILIM VOUT = 0 -1020 -515 -250 mA IOUT = -100µA -180 -85 Ground-Pin Current IQ µA IOUT = -200mA -125 IOUT = -100mA 40 Dropout Voltage (Note 2) mV IOUT = -200mA 80 240 Circuit of Figure 3, Line Regulation -0.15 0 +0.15 %/V VIN from -6.5V to -2.5V, VOUT = -1.25V Load Regulation IOUT from 0mA to -200mA 0.004 %/mA Output Voltage Noise 10Hz to 1MHz, COUT = 1µF 160 µVRMS Power-Supply Rejection Ratio PSRR f = 100Hz 60 dB TA = +25°C -1 -0.001 Shutdown Supply Current V SHDN = 0 µA TA = +85°C -1 SHDN Input High Threshold Positive voltage at SHDN +1.6 V (Note 3) Negative voltage at SHDN -1.6 SHDN Input Low Threshold Positive voltage at SHDN +0.4 V (Note 3) Negative voltage at SHDN -0.4 Set Input Bias Current ISET VSET = -1.25V, TA = +25°C -100 -15 nA V SHDN = +6.5V 3.5 SHDN Input Bias Current TA = +25°C µA V SHDN = 0, -6.5V -0.5 +0.5 Thermal Shutdown Junction Hysteresis = 15°C (typ) 160 °C Temperature
Note 1:
Limits are 100% production tested at TA = +25°C. Limits over operating temperature range are guaranteed by design.
Note 2:
The dropout voltage is defined as VOUT - VIN, when VOUT is 100mV above the nominal value of VOUT.
Note 3:
The SHDN logic input can be driven by either a positive voltage or a negative voltage. | VSHDN | < 0.4V puts the device in shutdown, while | VSHDN | > 1.6V enables the device.
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