Datasheet MAX866, MAX867 (Maxim) - 2

3.3V/5V or Adjustable-Output, Single-Cell DC-DC Converters ABSOLUTE MAXIMUM RATINGS
Supply Voltage (OUT to GND) ...-0.3V, +7V Reverse Battery Current (T ≤ A +45°C) (Note 1) ..750mA Switch Voltage (LX to GND) ...-0.3V, +7V Operating Temperature Ranges ———– SHDN, LBO to GND ..-0.3V, +7V MAX86_C/D ...0°C to +70°C – LBI, REF, 3/5, FB to GND ..-0.3V, (VOUT + 0.3V) MAX86_E_A ..-40°C to +85°C Reference Current (IREF) ..2.5mA Junction Temperature ...+150°C Continuous Power Dissipation (TA = +70°C) Storage Temperature Range ..-65°C to +160°C SO (derate 5.88mW/°C above +70°C) ...471mW Lead Temperature (soldering, 10sec) ..+300°C µMAX (derate 4.1mW/°C above +70°C) ..330mW
Note 1:
Reverse battery current is measured from the Typical Operating Circuit’s battery input terminal to GND when the battery is connected backwards. A reverse current of 750mA will not exceed the package dissipation limits but, if left for an extended time (more than ten minutes), may degrade performance. 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 absolute maximum rating conditions for extended periods may affect device reliability.
MAX866/MAX867 ELECTRICAL CHARACTERISTICS
(Circuit of Figure 2, VIN = 1.2V, ILOAD = 0mA, TA = +25°C, unless otherwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Start-Up 0.8 0.9 V Supply Voltage – MAX866, 3/5 = 0V, 0mA ≤ ILOAD ≤ 6mA 4.80 5.0 5.20 – 0.9V ≤ VIN ≤ 3V MAX866, 3/5 = 3V, 0mA ≤ ILOAD ≤ 8mA 3.17 3.3 3.43 MAX867, VOUT = 5V, 0mA ≤ ILOAD ≤ 6mA 4.80 5.0 5.20 – MAX866, 3/5 = 0V, 0mA ≤ ILOAD ≤ 6mA 4.75 5.0 5.25 0.9V ≤ VIN ≤ 3V, Output Voltage – T MAX866, 3/5 = 3V, 0mA A =TMIN TO TMAX ≤ ILOAD ≤ 8mA 3.13 3.3 3.47 V (Note 2) (Note 3) MAX867, VOUT = 5V, 0mA ≤ ILOAD ≤ 6mA 4.75 5.0 5.25 – MAX866, 3/5 = 0V, 0mA ≤ ILOAD ≤ 10mA 4.80 5.0 5.20 – 1.2V ≤ VIN ≤ 3V MAX866, 3/5 = 3V, 0mA ≤ ILOAD ≤ 15mA 3.17 3.3 3.43 MAX867, VOUT = 5V, 0mA ≤ ILOAD ≤ 10mA 4.80 5.0 5.20 – MAX866, 3/5 = 0V, 4.8V ≤ VLOAD ≤ 5.2V 6 9 – 0.9V ≤ VIN ≤ 3V MAX866, 3/5 = 3V, 3.17V ≤ VLOAD ≤ 3.43V 8 13 MAX867, VOUT = 5V, 4.8V ≤ VLOAD ≤ 5.2V 6 9 Maximum Load Current – mA (Note 2) MAX866, 3/5 = 0V, 4.8V ≤ VLOAD ≤ 5.2V 10 15 – 1.2V ≤ VIN ≤ 3V MAX866, 3/5 = 3V, 3.17V ≤ VLOAD ≤ 3.43V 15 23 MAX867, VOUT = 5V, 4.8V ≤ VLOAD ≤ 5.2V 10 15 – Quiescent Supply Current in ILOAD = 0mA, 3/5 = 3V, LBI = 1.5V, 27 60 µA 3.3V mode (Note 4) VOUT = 3.47V, FB = 1.5V No-Load Battery Current Output set for 3.3V, measured at VIN in Figure 2, VIN = 1.5V 100 µA ———– – Shutdown Quiescent Current SHDN = 0V, 3/5 = 3V, LBI = 1.5V, VOUT = 3.47V, 1 µA (Note 4) FB = 1.5V Peak Inductor Current Limit 500 mA Reference Voltage No REF load 1.22 1.25 1.28 V – Reference Load Regulation 3/5 = 3V, -20µA ≤ REF load ≤ 250µA, CREF = 0.22µF 0.8 2.0 % LBI Input Threshold With falling edge 1.22 1.25 1.28 V
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