Datasheet MAX889 (Maxim) - 8

High-Frequency, Regulated, 200mA, Inverting Charge Pump Table 1. Capacitor Selection Table C C PART FREQUENCY C IN IN FLY COUT REGULATED FREE-RUN
MAX889R 0.5MHz 4.7µF 22µF 22µF 4.7µF MAX889S 1MHz 2.2µF 10µF 10µF 2.2µF
MAX889
MAX889T 2MHz 1µF 4.7µF 4.7µF 1µF
Table 2. Low-ESR Capacitor Manufacturers PRODUCTION MANUFACTURER SERIES PHONE FAX METHOD
AVX TPS series 803-946-0690 803-626-3123 Kemet 494 series 864-963-6300 864-963-6521 Surface-Mount Tantalum Matsuo 267 series 714-969-2491 714-960-6492 Sprague 593D, 595D series 603-224-1961 603-224-1430 S ur face- M ount P ol ym er Sanyo POSCAP-APA 619-661-6835 619-661-1055 AVX X7R 803-946-0690 803-626-3123 Kemet X7R 864-963-6300 864-963-6521 S ur face- M ount C er am i c Matsuo X7R 714-969-2491 714-960-6492 Murata GRM X7R 814-237-1431 814-238-0490
Chip Information Package Information
TRANSISTOR COUNT: 1840 SOICN.EPS PROCESS: BiCMOS VREF INPUT 5V 5.0V CIN R1 4.7µF 100k 1 ON 6 IN 7 SHDN FB OFF R2 2 CAP+ MAX889T 66.5k CFLY 5 OUTPUT 1µF OUT C -3.3V OUT 4 CAP- 4.7µF VOUT = -VREF × R2 AGND GND R1 8 3 Figure 4. Separate VREF for Voltage Divider 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.
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