MAX8890ETCJJJ Maxim Integrated Products, MAX8890ETCJJJ Datasheet
MAX8890ETCJJJ
Available stocks
Related parts for MAX8890ETCJJJ
MAX8890ETCJJJ Summary of contents
Page 1
... Standard Versions table and Pin Configuration appear at end of data sheet. ________________________________________________________________ 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. Integrated Cellular RF-Section ...
Page 2
Integrated Cellular RF-Section Power-Management IC ABSOLUTE MAXIMUM RATINGS IN_, EN_ to GND.......................................................-0.3V to +6V OUT_ GND ......................................-0. Output Short-Circuit Protection (Note A) .......................indefinite Continuous Power Dissipation (T = +70°C) A 12-Pin QFN (derate ...
Page 3
ELECTRICAL CHARACTERISTICS (continued 3.6V, EN_ = IN_ 6.8µ noted. Typical values are +25°C.) A PARAMETER SYMBOL ENABLE LOGIC CONTROL EN_ Input Threshold EN_ Input Bias Current THERMAL PROTECTION Thermal-Shutdown ...
Page 4
Integrated Cellular RF-Section Power-Management IC (Circuit of Figure 1, MAX8890ETCGGG, V OUTPUT VOLTAGE vs. INPUT VOLTAGE 3.0 2.5 2.0 1.5 1.0 0 LOAD OUT INPUT VOLTAGE (V) DROPOUT VOLTAGE ...
Page 5
Figure 1, MAX8890ETCGGG, V LOAD TRANSIENT MAX8890 toc10 s/div 1mA to 100mA, 50mA/div OUT 2.8V, 20mV/div OUT +500mV) IN OUT CROSSTALK VOLTAGE ...
Page 6
Integrated Cellular RF-Section Power-Management IC (Circuit of Figure 1, MAX8890ETCGGG, V ENABLE WAVEFORM (1ST OUTPUT) 20 s/div 3.3V, 5V/div EN1 2.8V (100mA), 2V/div OUT1 OUT1 1.25V, ...
Page 7
INPUT 2.5V TO 5.5V Figure 1. Typical Application Circuit Detailed Description The MAX8890 power-management IC for a cellular phone. The MAX8890 contains three low-noise, low quiescent current, low-dropout, linear regulators for powering the transmitter, receiver, synthesizer, TCXO, ...
Page 8
Integrated Cellular RF-Section Power-Management IC R SENSE IN1 EN1 IN2 EN2 IN3 EN3 Figure 2. Functional Diagram If any one of the three low-dropout linear regulators (LDOs) is enabled, the internal 1.25V reference powers up. Therefore, all three LDOs must ...
Page 9
When the junction temperature exceeds T thermal sensor activates the shutdown logic, disabling the overheated regulator. The thermal sensor turns the linear regulator on again after the regulator’s junction temperature cools by 15°C, resulting in a pulsed output during continuous ...
Page 10
Integrated Cellular RF-Section Power-Management IC Pin Configuration TOP VIEW OUT1 GND OUT3 IN1 1 IN2 2 MAX8890 OUT2 EN1 EN2 EN3 4 4 QFN 10 ______________________________________________________________________________________ VERSION MAX8890ETCAAA MAX8890ETCDDD MAX8890ETCGGG 9 IN3 MAX8890ETCMMM ...
Page 11
For the latest package outline information www.maxim-ic.com/packages.) PACKAGE OUTLINE 12,16,20,24L QFN THIN, 4x4x0.8 mm PACKAGE OUTLINE 12,16,20,24L QFN THIN, 4x4x0.8 mm ______________________________________________________________________________________ Integrated Cellular ...
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 © 2002 Maxim Integrated Products ...