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LT3954 40V IN LED Converter with Internal PWM Generator FEATURES DESCRIPTION n 3000:1 True Color PWM Dimming for LEDs n Wide V IN Range: 4.5V to 40V n Rail-to-Rail Current Sense Range: 0V to 40V n Internal 40V/5A Switch n Programmable PWM Dimming Signal Generator n Constant Current (±3%) and Constant-Voltage (±2%) Regulation n Accurate Analog Dimming n Drives LEDs in Boost, SEPIC, CUK, Buck Mode, Buck-Boost Mode, or Flyback Configuration n Output Short-Circuit Protected Boost n Open LED Protection and Reporting n Adjustable Switching Frequency: 100kHz to 1MHz n Programmable V IN UVLO with Hysteresis n C/10 Indication for Battery Chargers n Low Shutdown Current:
LTM8001 36V IN, 5A µModule Regulator with 5-Output Configurable LDO Array FEATURES DESCRIPTION n Complete Step-Down Switch Mode Power Supply with Configurable Array of Five LDOs n Step-Down Switching Power Supply – Adjustable 10% Accurate Output Current Limit – Constant-Current, Constant-Voltage Operation – Wide Input Voltage Range: 6V to 36V – 1.2V to 24V Output Voltage n Configurable Output LDO Array – Five 1.1A Parallelable Outputs – Outputs Adjustable from 0V to 24V – Low Output Noise: 90μV RMS (10Hz to 1MHz) n 15mm × 15mm × 3.42mm Surface Mount BGA Package APPLICATIONS n FPGA, DSP, ASIC and Microprocessor Supplies n Servers and Storage Devices n RF Transceivers 11 VOUT5 10 SET5 9 BIAS45 8 BIAS123 V 7 IN45 BANK 3 6 5 VOUT0 BANK 4 4 3 2 1 VOUT4 SET4 TOP VIEW VOUT3 SET3 SET2 VOUT2 A B C D E F G H J K BGA PACKAGE 121 121 PADS (15mm × 15mm × × 3.42mm) LTM8001EY LTM8001IY V IN 6V TO 36V GND BANK 2 10µF 3.3V Protected by U.S. Patents, including 7199560, 7321203. VREF SYNC SS L VOUT1 SET1 ILIM RT COMP FBO RUN V IN0 BANK 1 VIN45 VIN0 510k RUN BIAS123 BIAS45 LTM8001 COMP SS VREF ILIM SYNC GND µModule Regulators The LTM ® 8001 is a 36V IN, 5A step-down μModule ® regulator with a 5-output configurable LDO array. Operating over an input voltage range of 6V to 36V, the LTM8001 buck regulator supports an output voltage range of 1.2V to 24V. Following the buck regulator is an array of five 1.1A linear regulators whose outputs may be connected in parallel to accommodate a wide variety of load combinations. Three of these LDOs are tied to the output of the buck regulator, while the other two are tied together to an undedicated input. The low profile package (3.42mm) enables utilization of unused space on the bottom of PC boards for high density point of load regulation. The LTM8001 is packaged in a thermally enhanced, compact (15mm × 15mm) and low profile (3.42mm) overmolded ball grid array (BGA) package suitable for automated assembly by standard surface mount equipment. The LTM8001 is RoHS compliant. 5A Output DC/DC µModule Converter STEP-DOWN SWITCHING REGULATOR RT 118k 350kHz FBO LDO 1 LDO 2 LDO 3 LDO 4 LDO 5 19.6k VOUT0 VOUT1 SET1 VOUT2 SET2 VOUT3 SET3 VOUT4 SET4 VOUT5 SET5 4.7µF 4.7µF 2.2µF 45.3k 54.9k 121k + 470µF 100µF 1.8V 1A 1.2V 1A 1.1V 1.5A 0.9V 1.5A 8001 TA01 15
Page 1 and 2: May 2013 New Products Catalog High
Page 3 and 4: Amplifier Contents LTC6430-15 High
Page 5 and 6: LTC6430-15 High Linearity Different
Page 7 and 8: LTC3300-1 High Efficiency Bidirecti
Page 9 and 10: LTC3245 Wide V IN Range, Low Noise,
Page 11 and 12: The LTC ® 2314-14 leads a family o
Page 13 and 14: LTC2315-12 12-Bit, 5Msps Serial Sam
Page 15 and 16: LTM9013 300MHz Digital Predistortio
Page 17: LT3030 Dual 750mA/250mA Low Dropout
Page 21 and 22: LTC2977 8-Channel PMBus Power Syste
Page 23 and 24: LTC3129-1 15V, 200mA Synchronous Bu
Page 25 and 26: LTC3621/LTC3621-2 17V, 1A Synchrono
Page 27 and 28: LTC3639 High Efficiency, 150V 100mA
Page 29 and 30: LTC3863 60V Low I Q Inverting DC/DC
Page 31 and 32: The LTC ® 6957 is a dual output bu
Page 33 and 34: LTC6957-1/LTC6957-2/LTC6957-3/LTC69
Page 35 and 36: Intelligent Systems SoCKIT to Me! D

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