ltc4555 Linear Technology Corporation, ltc4555 Datasheet
ltc4555
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ltc4555 Summary of contents
Page 1
... All other trademarks are the property of their respective owners. Typical SIM Interface V BAT (1.2V TO 4.4V) ( 0.1µF 0.1µ BAT SHDN SEL LTC4555 R RST IN C CLK IN DATA I/0 GND LTC4555 SIM Power Supply and Level Translator U SIM/ SMART CARD INTERFACE V CC 1µF RST CLK I/0 GND 4555 TA01 4555fa 1 ...
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... PACKAGE/ORDER I FOR ATIO + 0. JMAX ORDER PART NUMBER LTC4555EUD Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: Consult LTC Marketing for parts specified with wider operating temperature ranges. The ● ...
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... Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The LTC4555E is guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the – 40°C to 85°C operating The ● ...
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... Supply Voltage for the Controller Side I/O CC Pins ( DATA). When below 1.1V, the disabled, placing the LTC4555 in shutdown mode. This pin should be bypassed with a 0.1µF ceramic capacitor close to the pin. NC (Pins 4, 6, 12, 16): No Connect. V (Pin 5): V Supply Input. This pin can be between 3V ...
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... FROM SIM CELL PHONE PROCESSOR INTERFACE V BAT ( BAT SHDN 1 50mA LDO V SEL 2 R RST CLK IN 13 20k 10k DATA I/0 15 LTC4555 GND 10 LTC4555 C2 0.1µ 1.8V/ 50mA C1 1µF 9 RESET 11 CLOCK BIDIRECTIONAL 8 I/O SIM/ SMART CARD INTERFACE 4555 BD 4555fa 5 ...
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... On-chip pull-up resistors are provided for both the DATA and I/O lines. Shutdown Modes The LTC4555 can enter a low current shutdown mode by one of two methods. First, the SHDN pin is an active low pin. The output SEL input that the controller can use to directly shut down the part ...
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... Plastic QFN (3mm × 3mm) (Reference LTC DWG # 05-08-1691) 0.70 ±0.05 PACKAGE OUTLINE 0.25 ±0.05 0.50 BSC 0.75 ± 0.05 3.00 ± 0.10 (4 SIDES) 1.45 ± 0.10 (4-SIDES) 0.200 REF 0.00 – 0.05 LTC4555 BOTTOM VIEW—EXPOSED PAD PIN 1 NOTCH R = 0.20 TYP R = 0.115 OR 0.25 × 45° CHAMFER TYP 15 16 0.40 ± 0. (UD16) QFN 0904 0.25 ± 0.05 0.50 BSC ...
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... LTC4555 RELATED PARTS PART NUMBER DESCRIPTION LTC1514 50mA, 650kHz, Step-Up/Down Charge Pump with Low Battery Comparator LTC1515 50mA, 650kHz, Step-Up/Down Charge Pump with Power On Reset LTC1555/LTC1556 650kHz,SIM Power Supply and Level Translator for 3V/5V SIM Cards LTC1555L 1MHz, SIM Power Supply and Level Translator for 3V/5V SIM Cards LTC1555L-1 ...