MAX688CPA Maxim Integrated Products, MAX688CPA Datasheet
MAX688CPA
Specifications of MAX688CPA
Available stocks
Related parts for MAX688CPA
MAX688CPA Summary of contents
Page 1
... PFO 6 MAX689 GND 4 5 DIP/SO/ MAX ( ) ARE FOR MAX687 ________________________________________________________________ Maxim Integrated Products Call toll free 1-800-998-8800 for free samples or literature. High-Accuracy, Low-Dropout Linear Regulators ____________________________Features Fixed Outputs: 3.3V (MAX687/MAX688) 3.0V (MAX689) Directly Drives External PNP Transistor 10mA Min Base-Current Drive for >1A Output ...
Page 2
High-Accuracy, Low-Dropout Linear Regulators ABSOLUTE MAXIMUM RATINGS Input Supply Voltage IN to GND ............................................12V Terminal Voltages to GND PFO (MAX687) ........................................-0. PFO (MAX688/MAX689) ......................................-0.3V to 12V All Remaining Pins .....................................-0. PFO Sink Current ...............................................................10mA PFO Source ...
Page 3
ELECTRICAL CHARACTERISTICS (continued 3.8V, SHDN = V (MAX688/MAX689 noted. Typical values are +25°C.) A PARAMETER SYMBOL MAX687: ON, PFO, SHDN PFO Threshold Voltage Below V - NOM V (Note 5) V NOM ...
Page 4
High-Accuracy, Low-Dropout Linear Regulators __________________________________________Typical Operating Characteristics (Circuits of Figures 1 and 5V FZT749 MAX687 OUTPUT VOLTAGE DISTRIBUTION 3.32289 3.31932 3.31576 3.31219 3.30862 3.30505 3.30149 3.29792 3.29435 3.29078 3.28722 3.28365 0 50 100 ...
Page 5
Operating Characteristics (continued) (Circuits of Figures 1 and 5V FZT749 SHUTDOWN SUPPLY CURRENT vs. TEMPERATURE 0.3000 0.2500 0.2000 0.1500 0.1000 0.0500 0 -55 - 100 125 TEMPERATURE (°C) ...
Page 6
High-Accuracy, Low-Dropout Linear Regulators ______________________________________________________________Pin Description PIN NAME 1 IN Positive input voltage, 2.7V to 11.0V ON activates the regulator when pulsed high. In order for the regulator to remain on, ON must remain high ON until V exceeds the ...
Page 7
Once the MAX687 is shut down, it can only be turned on again when (a) the ON pin is pulsed high, and (b) the conditions that triggered shutdown have changed (e.g., the load has been reduced or the ...
Page 8
High-Accuracy, Low-Dropout Linear Regulators is given 10mA x h LOAD(MAX) FE(MIN) sistor’s rated power dissipation must exceed the actual power dissipated in the transistor. The power dissipat- ed (PD) equals the maximum load current (I times the ...
Page 9
Information High-Power Output Circuit Figure 3 shows a pseudo-Darlington transistor configu- ration to increase load-current capability and maintain a low dropout voltage with a 4A load. A heatsink must be added when high power is dissipated in the pass ...
Page 10
High-Accuracy, Low-Dropout Linear Regulators Table 2a. Component Suppliers DEVICE MANUFACTURER CAPACITORS 267 series Matsuo F95 Tantalum series Nichicon 595 Tantalum series Sprague OS-CON series low-ESR organic Sanyo semiconductor LXF series United Chemi-Con BIPOLAR TRANSISTORS ZTX749 Zetex T1P42 Motorola 2N4403 Motorola ...
Page 11
... Information (continued) PART TEMP. RANGE PIN-PACKAGE MAX688CPA 0°C to +70°C 8 Plastic DIP MAX688CSA 0°C to +70° MAX688CUA 0°C to +70°C 8 µMAX MAX688EPA -40°C to +85°C 8 Plastic DIP MAX688ESA -40°C to +85° MAX689CPA 0°C to +70°C 8 Plastic DIP MAX689CSA 0°C to +70°C ...
Page 12
... Maxim reserves the right to change the circuitry and specifications without notice at any time. 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 12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © ...