MAX1664EUP Maxim Integrated Products, MAX1664EUP Datasheet
MAX1664EUP
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MAX1664EUP Summary of contents
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... PLLC 9 BPV 10 SS TSSOP ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 408-737-7600 ext. 3468. ____________________________Features Integrates All Active Circuitry for Three DC-DC Converters Ultra-Small External Components (ceramic capacitors, 2µH to 5µH inductors) ...
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Active-Matrix Liquid Crystal Display (AMLCD) Supply ABSOLUTE MAXIMUM RATINGS RDY, IN, BPV to GND...........................................-0.3V to +6V DD FB2-, PGND1, PGND2 to GND ..........................................±0.3V LX1 to PGND1 ..........................................................-0.3V to +6V BPV to GND .......................................................-3.3V to +0.3V SS BPVDD to BPV ......................................................-0.3V ...
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Active-Matrix Liquid Crystal Display ELECTRICAL CHARACTERISTICS (continued) = 3.3V, SHDN = IN INP BPVDD unless otherwise noted. Typical values are at T PARAMETER SYMBOL FB2+ Regulation Voltage V FB2+ FB2- Regulation Voltage V FB2- I ...
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Active-Matrix Liquid Crystal Display (AMLCD) Supply __________________________________________Typical Operating Characteristics (f = 22.5kHz, FPLL = GND 3.3µ 4.7µH, T BPCLK DC-DC 1 EFFICIENCY vs. LOAD CURRENT (V = +5V) OUT1 100 ...
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Active-Matrix Liquid Crystal Display (f = 22.5kHz, FPLL = GND 3.3µ 4.7µH, T BPCLK V LINE-TRANSIENT RESPONSE OUT1 A B 2ms/div 250mA OUT1 LOAD OUT1 A: V ...
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Active-Matrix Liquid Crystal Display (AMLCD) Supply (f = 22.5kHz, FPLL = GND 3.3µ 4.7µH, T BPCLK BPCLK TO BPDRV FALLING DELAY BPDRV BPCLK 100ns/div C = 10,000pF LOAD NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE 1.8 1.6 ...
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Active-Matrix Liquid Crystal Display ______________________________________________________________Pin Description PIN NAME Shutdown Input. Drive low to enter shutdown mode. Drive high or connect to IN for normal operation. All IC SHDN 1 sections are off when SHDN is low. Ready Indicator Output, DC-DC ...
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Active-Matrix Liquid Crystal Display (AMLCD) Supply REF INP FB2- LX2P V OUT2- -10V V OUT2+ 28V LX2N FB2+ PGND2 PLLC BPCLK PHASE DET FPLL N IN REF GND Figure 1. Functional Diagram _______________Detailed Description The MAX1664 combines power supply and ...
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Active-Matrix Liquid Crystal Display Table 1. Switching Frequency Options f BPCLK FPLL (kHz REF GND See Figure 2 Fixed-frequency, current-mode operation ensures that the switching noise exists only at ...
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Active-Matrix Liquid Crystal Display (AMLCD) Supply PLLC PHASE VCO DETECTOR C R SHUNT PLLC C PLLC N* BPCLK *SEE TABLE 1 FOR SELECTED VALUES OF N. REF IN GND Figure 2. Internal PLL Operation within the MAX1664 The heart of ...
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Active-Matrix Liquid Crystal Display REF R5 49.9k R6 200k V OUT2- -5V 0. OUT2+ 15V R7 549k R8 49.9k 2.2nF 100k 22nF Figure 4. Detailed Typical Operating Circuit Inductor Selection The optimum inductor value for L1 ...
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Active Matrix Liquid Crystal Display (AMLCD) Supply Table 2. Typical DC-DC 2 Operation OUT2+ OUT2- IN BPCLK (V) (V) (V) (kHz) +15 -5 3.0 22.5 +15 -5 3.0 22.5 +15 -5 3.3 22.5 +15 -5 3.3 ...
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Active-Matrix Liquid Crystal Display Ceramic capacitors are recommended because they have low ESR and the lowest profile. Typical ceramic capacitors are the C3225X5R series from TDK and JMK325 series from Taiyo Yuden. See Table 3 for more information on the ...
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Active-Matrix Liquid Crystal Display (AMLCD) Supply Supply Connections and Layout The MAX1664 performs both precision analog and high-power switching functions. Carefully plan supply connections, bypassing, and layout. Bypass IN and INP with a 33Ω isolation resistor (R9, Figure 4) between ...
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Active-Matrix Liquid Crystal Display 1.0" Figure 7c. MAX1664 PC Board Layout—Solder Side ______________________________________________________________________________________ (AMLCD) Supply ___________________Chip Information TRANSISTOR COUNT: 838 15 ...
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... 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. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1998 Maxim Integrated Products Printed USA ...