SC70 Inverting Charge Pumps with ShutdownABSOLUTE MAXIMUM RATINGS IN to GND ...-0.3V to +6V Continuous Power Dissipation (TA = +70°C) C1+, SHDN to GND ...-0.3V to (VIN + 0.3V) 6-Pin SC70 (derate 3.1mW/°C above +70°C) ...245mW C1- to GND...(VOUT - 0.3V) to +0.3V Operating Temperature Range ...-40°C to +85°C OUT to GND ...+0.3V to -6V Junction Temperature ..+150°C OUT Short-Circuit to GND ..1 minute Storage Temperature Range ...-65°C to +150°C 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. ELECTRICAL CHARACTERISTICS (Circuit of Figure 1, capacitors from Table 2, VIN = +5V, SHDN = IN, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETERCONDITIONSMINTYPMAXUNITSMAX1852/MAX1853 Supply Voltage Range 2.5 5.5 V TA = +25°C 75 130 MAX1852 TA = -40°C to +85°C 150 Quiescent Supply Current µA TA = +25°C 165 320 MAX1853 TA = -40°C to +85°C 350 TA = +25°C 0.002 0.5 Shutdown Supply Current SHDN = GND µA TA = +85°C 0.01 TA = +25°C 32 50 68 MAX1852 TA = -40°C to +85°C 25 78 Oscillator Frequency kHz TA = +25°C 130 200 270 MAX1853 TA = -40°C to +85°C 110 310 Voltage Conversion Efficiency IOUT = 0 99 99.9 % TA = +25°C 15 30 Output Resistance (Note 2) IOUT = 10mA Ω TA = -40°C to +85°C 40 Output Current Continuous, long-term 30 mARMS SHDN Input Logic High +2.5V ≤ VIN ≤ +5.5V 0.7 × VIN V SHDN Input Logic Low +2.5V ≤ VIN ≤ +5.5V 0.3 × VIN V TA = +25°C -100 1 100 SHDN Bias Current SHDN = GND or IN nA TA = +85°C 10 MAX1852 260 Wake-Up Time From Shutdown IOUT = 5mA µs MAX1853 112 Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design. Note 2: Output resistance is guaranteed with capacitor ESR of 0.3Ω or less. 2_______________________________________________________________________________________
