MAX608ESA Maxim Integrated Products, MAX608ESA Datasheet
MAX608ESA
Specifications of MAX608ESA
Available stocks
Related parts for MAX608ESA
MAX608ESA Summary of contents
Page 1
... Max Supply Current 5µA Max Shutdown Current Preset 5V or Adjustable Output (3V to 16.5V) Current-Limited PFM Control Scheme Up to 300kHz Switching Frequency Evaluation Kit Available ______________Ordering Information PART MAX608C/D MAX608EPA MAX608ESA * Contact factory for dice specifications. __________________Pin Configuration TOP VIEW OUTPUT EXT 5V OUT FB SHDN TEMP ...
Page 2
Adjustable, Low-Voltage, Step-Up DC-DC Controller ABSOLUTE MAXIMUM RATINGS Supply Voltage OUT to GND.............................................................-0.3V, 17V EXT, CS, REF, SHDN GND ...............-0.3V, (V GND to AGND.............................................................0.1V, -0.1V Continuous Power Dissipation (T = +70°C) A Plastic DIP (derate 9.09mW/°C ...
Page 3
ELECTRICAL CHARACTERISTICS (continued 5V 0mA -40°C to +85°C where indicated. T OUT LOAD +25°C.) A PARAMETER SYMBOL Current-Limit Trip Level OUT CS Input Current I CS EXT Rise ...
Page 4
Adjustable, Low-Voltage, Step-Up DC-DC Controller ____________________________Typical Operating Characteristics (continued +25°C, unless otherwise noted.) A EXT RISE/FALL TIME vs. SUPPLY VOLTAGE 250 200 C = 2200pF EXT C = 1000pF EXT 150 C = 470pF EXT C ...
Page 5
Operating Characteristics (continued +25°C, unless otherwise noted.) A HEAVY-LOAD SWITCHING WAVEFORMS (V = 12V) OUT s/div 490mA 12V IN OUT OUT A = EXT VOLTAGE, 10V/div ...
Page 6
Adjustable, Low-Voltage, Step-Up DC-DC Controller ______________________________________________________________Pin Description PIN NAME 1 EXT Gate Drive for External N-Channel Power Transistor 2 OUT Power-Supply and Voltage-Sense Input. Always connect OUT to circuit output. Feedback Input for Adjustable-Output Operation. Connect to ground ...
Page 7
0 OUT 5 REF 150 0.1 F MAX608 SHDN 1N5817 EXT MMFT3055EL 8 6 AGND CS R SENSE GND 50m 7 Figure ...
Page 8
Adjustable, Low-Voltage, Step-Up DC-DC Controller Unlike traditional PFM converters, the MAX608 uses a sense resistor to control the peak inductor current. The device also operates with high switching frequencies (up to 300kHz), allowing the use of miniature external ...
Page 9
V = 3.3V OUT 1.5 R SENSE R SENSE 1.0 R SENSE 0 100m SENSE 0 2.0 2.5 3.0 INPUT VOLTAGE (V) Figure 4a. Maximum Output Current vs. Input Voltage (V = 3.3V) ...
Page 10
Adjustable, Low-Voltage, Step-Up DC-DC Controller Power Transistor Selection Use an N-channel MOSFET power transistor with the MAX608. Use logic-level or low-threshold N-FETs to ensure the external N-channel MOSFET (N-FET) is turned on com- pletely and that start-up occurs. ...
Page 11
PRODUCTION INDUCTORS Sumida CD54 series CDR125 series Coiltronics CTX20 series Surface Mount Coilcraft DO3316 series DO3340 series Sumida RCH855 series Through Hole RCH110 series Feed-Forward Capacitor When adjusting the output voltage, it may be necessary to parallel a 47pF to ...
Page 12
Adjustable, Low-Voltage, Step-Up DC-DC Controller ___________________Chip Topography EXT OUT FB SHDN REF 0.080" (2.032mm) TRANSISTOR COUNT: 501 SUBSTRATE CONNECTED TO OUT ________________________________________________________Package Information ______________________________________________________________________________________ 12 CS 0.126" (3.200mm) GND AGND 0°-8° ...