MAX889TESA+ Maxim Integrated Products, MAX889TESA+ Datasheet
MAX889TESA+
Specifications of MAX889TESA+
Related parts for MAX889TESA+
MAX889TESA+ Summary of contents
Page 1
... FB OFF CAP+ MAX889 OUT CAP- AGND GND ________________________________________________________________ Maxim Integrated Products For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. High-Frequency, Regulated, 200mA, Inverting Charge Pump o 200mA Output Current 2MHz Switching Frequency . o Small Capacitors (1µ ...
Page 2
High-Frequency, Regulated, 200mA, Inverting Charge Pump ABSOLUTE MAXIMUM RATINGS IN to GND .................................................................-0.3V to +6V FB, SHDN, CAP+ to GND ............................-0. AGND to GND .......................................................-0.3V to +0.3V OUT to GND .............................................................-6V to +0.3V CAP- to GND ............................................(V Continuous ...
Page 3
ELECTRICAL CHARACTERISTICS ( +5V, capacitors from Table 1, T SHDN IN PARAMETER SYMBOL Supply Voltage Range Output Voltage Range I OUT(MAX)1 Maximum Output Current I OUT(MAX)2 Quiescent Supply I Q(FREE-RUN) Current (Free-Run Mode) Quiescent Supply I Q(REGULATED) ...
Page 4
High-Frequency, Regulated, 200mA, Inverting Charge Pump (Circuit of Figure +5V, capacitors from Table 1, T SHDN IN MAX889T OUTPUT RIPPLE vs. LOAD CURRENT vs. C OUT 2.2µF OUT ...
Page 5
PIN NAME 1 IN Power-Supply Positive Voltage Input 2 CAP+ Positive Terminal of Flying Capacitor 3 GND Power Ground 4 CAP- Negative Terminal of Flying Capacitor 5 OUT Inverting Charge-Pump Output Shutdown Control Input. Drive SHDN low to shut down ...
Page 6
High-Frequency, Regulated, 200mA, Inverting Charge Pump (ESR) of the flying and output capacitors. The typical output impedance is more accurately determined from the Typical Operating Characteristics. Current Limit and Soft-Start The MAX889 features a foldback current-limit/soft-start scheme that allows it ...
Page 7
Adjust the output voltage to a negative voltage from -2. with external resistors R1 and shown in Figures 1 and 4. FB servos to GND. Choose 100kΩ or less. Calculate R2 for ...
Page 8
... 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. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2000 Maxim Integrated Products ...