MAX667ESA+ Maxim Integrated Products, MAX667ESA+ Datasheet
MAX667ESA+
Specifications of MAX667ESA+
Related parts for MAX667ESA+
MAX667ESA+ Summary of contents
Page 1
... BATTERY MAX667 SET GND SHDN TM Dual Mode is a trademark of Maxim Integrated Products. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. +5V/Programmable Low-Dropout ____________________________Features ♦ 350mV Max Dropout at 200mA ♦ ...
Page 2
Low-Dropout Voltage Regulator ABSOLUTE MAXIMUM RATINGS Input Supply Voltage ...........................................................+18V Output Short Circuited to Ground.........................................1sec LBO Output Sink Current ....................................................50mA LBO Output Voltage ...............................................GND to V SHDN Input Voltage ....................................-0. Input Voltages LBI, SET................................-0. Continuous ...
Page 3
Operating Characteristics (T = +25°C, unless otherwise noted.) A DROPOUT VOLTAGE vs. LOAD CURRENT 1000 100 100 LOAD CURRENT (mA) _____________________Pin Description PIN NAME FUNCTION Dropout Detector Output—the collec- tor of a PNP pass transistor. ...
Page 4
Low-Dropout Voltage Regulator IN SHDN LBO LBI GND Figure 1. MAX667 Block Diagram 8 IN OUT MAX667 SET GND SHDN Figure 2. Fixed +5V Regulator 4 _______________________________________________________________________________________ A1 C2 1.255V REF 2 +5V OUT 250mA C1 ...
Page 5
Output-Voltage Selection If SET is connected to a resistive voltage divider (Figure 3), the output voltage is set by the equation (R1 + R2) / R1, OUT SET where V = 1.22V SET To simplify resistor ...
Page 6
Low-Dropout Voltage Regulator OUT MAX667 SET GND SHDN Figure 5. Alternative Stability Scheme Using Resistor OUT MAX667 1 DD SET GND SHDN 47k Figure 6. ...
Page 7
CIRCUIT OF 600 FIGURE 7 400 CIRCUIT OF 200 (V) Figure 9. Quiescent Current Below Dropout with Connections of Figures 6 and 7 PNP transistor is turned on fully as regulation is ...
Page 8
Low-Dropout Voltage Regulator +5V OUTPUT 0.1V/div 100mA OUTPUT CURRENT 10mA 200μs/div Figure 12. Output Response to 10mA/100mA Load Step with 10 μ F Output Capacitor (1.5 Ω ESR) (PSRR) is therefore not specified. Since the output must be connected ...
Page 9
... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9 © 2008 Maxim Integrated Products ...