ltc1555l-1.8 Linear Technology Corporation, ltc1555l-1.8 Datasheet
ltc1555l-1.8
Related parts for ltc1555l-1.8
ltc1555l-1.8 Summary of contents
Page 1
... CIN CLK 2 15 RIN RST 3 14 DATA I DDRV 0 – GND LTC1555L-1.8 Level Translator U supply voltage to the SIM card SIM CLK RST I 1.8V,3V, 10mA VCC 2 GND 1555L TA01 1 ...
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... LTC1555L-1 ABSOLUTE AXI U RATI GS (Note GND ..................................... –0. GND ...............................................– 0.3V to 6.5V CC Digital Inputs to GND ................................– 0.3V to 6.5V CLK, RST, I/O to GND ..................... – 0. Short-Circuit Duration ............................... Indefinite CC Operating Temperature Range (Note 2) .. – Storage Temperature Range ................. – 150 C Lead Temperature (Soldering,10 sec)................... 300 C ...
Page 3
... VCC CC OUT operating temperature range are assured by design, characterization and correlation with statistical process controls. Note 3: The DATA and I/O pull-down drivers must also sink current sourced by the internal pull-up resistor. LTC1555L-1.8 = 1.425V to 4.4V, controller digital pins tied to CC MIN TYP MAX –100 100 – ...
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... Supply Voltage for Controller Side Digital CC Input/Output Pins (typically 3V). May be between 1.425V and 4.4V. The DV shutdown for further reduction in battery current. When DV drops below 1.2V, the charge pump is disabled and CC the LTC1555L-1.8 goes into shutdown mode regardless of the signals on the M0-M2 pins DVCC DVCC 20 F ...
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... F + – LTC1555L-1 STEP-UP/ STEP-DOWN CHARGE PUMP M1 DC/DC CONVERTER M2 UVLO DV CC RIN CIN 20k 10k DATA 1 A DDRV LTC1555L-1 Output. Should be connected CC contact. The V output voltage is deter discharged OUT 2.2 F RST RST SIM CLK CLK I/O I/O GND GND 1555L BD pin ...
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... SIM and the controller. V Voltage Regulator CC The regulator section of the LTC1555L-1.8 (refer to Block Diagram) consists of a buck/boost charge pump DC/DC converter. The charge pump can operate over a wide input voltage range (2.6V to 6V) while maintaining a regulated V output ...
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... Figure 1a. Level Translator Connections for Bidirectional Controller DATA Pin forced below 1.2V, an undervoltage lockout circuit forces the LTC1555L-1.8 into shutdown mode regardless of the status of the M0-M2 pins. 10kV ESD Protection All pins that connect to the SIM (CLK, RST, I/O, V withstand over 10kV of human body model ESD. In order to ensure proper ESD protection, careful board layout is required ...
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... Smart Card Interface LTC1756 Smart Card Interface LTC1986 3V/5V SIM Power Supply in SOT-23 Linear Technology Corporation 8 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 www.linear-tech.com WCDMA Cellular Telephone SIM Interface V 1.425V TO 4.4V LTC1555L-1.8 2. CIN CLK 2 15 RIN RST 3 14 ...