LTC1623 Linear Technology, LTC1623 Datasheet
LTC1623
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LTC1623 Summary of contents
Page 1
... CLK is high). Once detected, the LTC1623 compares its address with the first (address) byte sent over the bus from the master. If matched, the LTC1623 will execute the second (command) byte from the master and independently control the built-in charge pumps to drive two external switches ...
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... OFF V DATA/CLK Input Low Voltage IL V DATA/CLK Input High Voltage RATINGS Operating Temperature Range LTC1623C.................................................. 0.3V) LTC1623I ............................................ – Storage Temperature Range ................. – 150 C + 7V) CC Lead Temperature (Soldering, 10 sec).................. 300 ORDER PART NUMBER DATA 1 LTC1623CMS8 CLK ...
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... Controlled by 2nd LSB of command byte. GA: (Pin 7) Gate Drive to External High-Side Switch. Fully , GND enhanced by internal charge pump. Controlled by LSB command byte (Pin 8) Input Supply Voltage. Range from 2. 5.5V. LTC1623 = 1000pF 1000pF GA GB MIN TYP MAX UNITS 0 – 0.2 ...
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... LTC1623 W U TYPICAL PERFORMANCE CHARACTERISTICS Standby Current –60 –40 – TEMPERATURE ( C) Supply Current 400 350 300 250 200 BOTH CHANNELS ON 150 ONE CHANNEL ON 100 50 0 –40 – –60 60 TEMPERATURE ( Temperature ON 500 450 ...
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... 3. 2. –60 –40 – TEMPERATURE ( C) 80 100 60 1623 G08 60 80 100 1623 G10 LTC1623 DATA V vs Temperature OL 500 450 I = 350 A PULLUP 400 350 300 250 200 150 100 50 0 –60 –40 – ...
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... LTC1623 DIAGRA t HDSTA CLK t SUSTA t SUDAT DATA START CTIO AL BLOCK DIAGRA INPUT DATA 1 BUFFER INPUT CLK 2 BUFFER AD0 3 ADDRESS DECODER AD1 HIGH HDDAT LOW START- AND-STOP DETECTORS ACK GLUE SHIFT LOGIC ...
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... LTC1623, even if the address sent by the master matches that of the LTC1623. After reception of the first byte, the slave device (LTC1623) with the matching address then START ...
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... A. Power-On Reset and Undervoltage Lockout The LTC1623 starts up with both gate drives low. An internal power-on reset (POR) signal inhibits operation until about 300 s after V lockout threshold (typically 2V). The circuit includes some hysteresis and delay to avoid nuisance resets ...
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... LDO so that the user has total control over the switching in and switching out of the LDO (Figure 5). Also, with the help of the LT1304-5, the LTC1623 can be used to make a boost switching regulator with a low standby current (Figure 6). ...
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... LTC1623 PACKAGE DESCRIPTION 0.007 (0.18) * DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ...
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... TYP 0.014 – 0.019 (0.355 – 0.483) LTC1623 0.150 – 0.157** (3.810 – 3.988 0.004 – 0.010 (0.101 – 0.254) 0.050 (1 ...
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... LTC1623 U TYPICAL APPLICATIONS *1/2 Si6926DQ LTC1623 Driving Both High Side and Low Side Switches (FROM SMBus) (PROGRAMMABLE) RELATED PARTS PART NUMBER DESCRIPTION LTC1153/LTC1154 Single High Side Micropower MOSFET Drivers LTC1155/LTC1255 Dual High Side Micropower MOSFET Drivers LTC1163 Triple 1. High Side MOSFET Driver ...