LTC4440 Linear Technology, LTC4440 Datasheet
LTC4440
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LTC4440 Summary of contents
Page 1
... V sients. The powerful driver capability reduces switching losses in MOSFETs with high gate capacitances. The LTC4440’s pull-up has a peak output current of 2.4A and its pull-down has an output impedance of 1.5Ω. The LTC4440 features supply independent TTL/CMOS compatible input thresholds with 350mV of hysteresis. ...
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... V Rising BOOST TS V – V Falling BOOST TS Hysteresis INP Ramping High INP Ramping Low www.DataSheet4U.com ORDER PART NUMBER TOP VIEW LTC4440ES6 6 BOOST PACKAGE PART MARKING = 125°C, θ = 230°C/W JA LTZY = GND = 0V, unless otherwise noted. TS MIN TYP MAX ...
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... Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The LTC4440 is guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the –40°C to 85°C operating temperature range are assured by design, characterization and correlation with statistical process controls ...
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... LTC4440 W U TYPICAL PERFOR A CE CHARACTERISTICS Output High Voltage ( Supply Voltage 25° –1mA –10mA –100mA BOOST – TS SUPPLY VOLTAGE (V) 4440 G04 2MHz Operation INPUT (INP) 5V/DIV OUTPUT (TG) 5V/DIV V = 12V ...
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... TS (Pin 4). Normally, a bootstrap diode is connected between V (Pin 1) and this pin. Voltage swing at this pin is from CC V – drop of the bootstrap diode. LTC4440 www.DataSheet4U.com Peak Driver (TG) Pull-Up Current vs Temperature BOOST – 15V BOOST – 12V – ...
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... LTC4440 CTIO S Exposed Pad MS8E Package INP (Pin 1): Input Signal. TTL/CMOS compatible input referenced to GND (Pin 2). GND (Pins 2, 4): Chip Ground. V (Pin 3): Chip Supply. This pin powers the internal low CC side circuitry. A low ESR ceramic bypass capacitor should be tied between this pin and the GND pin (Pin 2). ...
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... Since the power MOSFET generally accounts for the majority of the power loss in a converter important to quickly turn off, thereby minimizing the transition time in its linear region. The LTC4440 can drive a 1nF load with a 10ns rise time and 7ns fall time. is inversely DS(ON) The LTC4440’ ...
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... W U Undervoltage Lockout (UVLO) The LTC4440 contains both low side and high side under- voltage lockout detectors that monitor V bootstrapped supply V 6.2V, the internal buffer is disabled and the output pin OUT is pulled down to TS. When V OUT is pulled down to TS. When both supplies are under- voltage, OUT is pulled low to TS and the chip enters a low current mode, drawing approximately 25µ ...
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... U TYPICAL APPLICATIO S LTC4440 www.DataSheet4U.com 4440f 9 ...
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... LTC4440 U TYPICAL APPLICATIO S 10 www.DataSheet4U.com 4440f ...
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... BSC 1.4 MIN (NOTE 4) 0.95 BSC 0.80 – 0.90 1.00 MAX 0.09 – 0.20 (NOTE 3) 4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR 5. MOLD FLASH SHALL NOT EXCEED 0.254mm 6. JEDEC PACKAGE REFERENCE IS MO-193 LTC4440 www.DataSheet4U.com 0.52 (.0205 REF 3.00 ± 0.102 (.118 ± .004) (NOTE ...
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... LTC4440 U TYPICAL APPLICATIO LTC3723-2/LTC4440/LTC3901 240W 42V-56V 0.56µ 1µF 1µF 48V IN 100V 100V 11V D1 – INP BOOST LTC4440ES6 5 TG GND 0.22µ 12V 11V IN A MMBT3904 6 4 15k 120Ω DRVA DRVB 1/ LTC3723EGN-2 215k ...