MAX1605ETT+T Maxim Integrated Products, MAX1605ETT+T Datasheet
MAX1605ETT+T
Specifications of MAX1605ETT+T
Related parts for MAX1605ETT+T
MAX1605ETT+T Summary of contents
Page 1
... LIM FB ON SHDN OFF GND ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ Adjustable Output Voltage up to 30V ♦ 20mA at 20V from a Single Li+ Battery ♦ 88% Efficiency ♦ 500kHz Switching Frequency ♦ ...
Page 2
Internal Switch LCD Bias Supply ABSOLUTE MAXIMUM RATINGS , FB, LIM, SHDN to GND....................................-0. GND ..............................................................-0.3V to +32V Continuous Power Dissipation (T = +70°C) A 6-Pin SOT23 (derate 8.7mW/°C above +70°C) ...........696mW 6-Pin ...
Page 3
Internal Switch LCD Bias Supply ELECTRICAL CHARACTERISTICS (continued) = SHDN = 3.3V 0°C to +85°C, unless otherwise noted. Typical values are PARAMETER SYMBOL CONTROL INPUTS SHDN Input Threshold SHDN Input Bias Current ...
Page 4
Internal Switch LCD Bias Supply ELECTRICAL CHARACTERISTICS (continued) = SHDN = 3.3V -40°C to +85°C, unless otherwise noted.) (Note PARAMETER SYMBOL LIM Input Low Level LIM Input Float Level LIM Input High Level ...
Page 5
Internal Switch LCD Bias Supply = 3.6V 10µH, SHDN = LIM = 3.3V EFFICIENCY vs. LOAD CURRENT (L1 = 47µ LIM = OPEN (250mA) 84 LIM = GND ...
Page 6
Internal Switch LCD Bias Supply PIN NAME Active-Low Shutdown Input. A logic low shuts down the device and reduces the supply current SHDN 1 to 0.1µA. Connect SHDN Supply Voltage (+2.4V to +5.5V). Bypass ...
Page 7
Internal Switch LCD Bias Supply V CC (2.4V TO 5.5V MAX1605 LIM GND I PEAK = 500mA Figure 2. Setting the Peak Inductor Current Limit Setting the Output Voltage (FB) Adjust the output voltage by connecting a ...
Page 8
Internal Switch LCD Bias Supply Design Procedure Inductor Selection Smaller inductance values typically offer smaller physi- cal size for a given series resistance or saturation cur- rent. Circuits using larger inductance values may start up at lower input voltages ...
Page 9
Internal Switch LCD Bias Supply 0. OUT 2.4V TO 5.5V C6 0.1µF ON Figure 4. Negative Voltage for LCD Bias saturation region. When shut down, the input voltage exceeds the emitter ...
Page 10
Internal Switch LCD Bias Supply (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 10 ______________________________________________________________________________________ Package Information PACKAGE OUTLINE, SOT-23 21-0058 F ...
Page 11
Internal Switch LCD Bias Supply (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) D PIN 1 INDEX AREA NUMBER OF LEADS SHOWN ARE FOR ...
Page 12
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2003 Maxim Integrated Products Package Information (continued) ...