LTC1472CS#PBF Linear Technology, LTC1472CS#PBF Datasheet
LTC1472CS#PBF
Specifications of LTC1472CS#PBF
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LTC1472CS#PBF Summary of contents
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... VPP power. The LTC1472 is available in 16-pin SO package. , LTC and LT are registered trademarks of Linear Technology Corporation. SafeSlot is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. ...
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LTC1472 ABSOLUTE MAXIMUM (Note 1) 5V Supply Voltage ................................... – 0. Supply Voltage ....................................– 0. VPP Supply Voltage .............................– 0.3V to 13. Supply Voltage ................................... – 0.3 to ...
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ELECTRICAL CHARACTERISTICS (VPP Switch Section) The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are 25° 5V 5V, VPP A DD CC(IN) SYMBOL PARAMETER V V Input Voltage ...
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LTC1472 W U TYPICAL PERFORMANCE CHARACTERISTICS 5V Supply Current (OFF 25° CC(OUT) PROGRAMMED TO OFF – SUPPLY VOLTAGE (V) IN LTC1472 TPC01 ...
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W U TYPICAL PERFORMANCE CHARACTERISTICS V Supply Current (No Load) CC(IN) 100 T = 25° VPP PROGRAMMED OUT TO VPP CC(IN VPP PROGRAMMED OUT Hi-Z – ...
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LTC1472 PIN FUNCTIONS Enable Input (Pins 3,4,7,8) The two V and two VPP Enable inputs are designed to CC interface directly with industry standard PCMCIA control- lers. They are high impedance CMOS gates with ESD protection diodes ...
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W BLOCK DIAGRAM TTL-TO-CMOS V EN0 CC CONVERTER TTL-TO-CMOS V EN1 CC CONVERTER V DD SHDN TTL-TO-CMOS VPP EN0 CONVERTER TTL-TO-CMOS VPP EN1 CONVERTER VPP IN + – 10V U OPERATION The LTC1472 protected switch matrix is designed to be ...
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LTC1472 U OPERATION V XOR Input Circuitry CC The LTC1472 ensures that the 3.3V and 5V switches are never turned on at the same time by employing an XOR function which locks out the 3.3V switch when the 5V switch ...
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U OPERATION VPP Gate Charge and Discharge Control The VPP switches are designed to ramp slowly (typically tens of µs) between output modes to reduce supply glitching when powering large capacitive loads. VPP Switch Protection Both VPP power switches are ...
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LTC1472 U U APPLICATIONS INFORMATION Interfacing to “365” Type Controllers The LTC1472 also interfaces directly with “365” type controllers as shown in Figure 2. The V are connected differently than to the CL-PD6710 control- ler because the “365” type controllers ...
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U U APPLICATIONS INFORMATION Output Capacitors The V pin is designed to ramp on slowly, typically CC(OUT) 400µs rise time. Therefore, capacitors as large as 150µF can be driven without producing voltage spikes on the supply pins ...
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LTC1472 U TYPICAL APPLICATIONS 3. 3.3V 5V A_VPP_PGM A_VPP_V CC A_V _3 CC A_V _5 CC 3.3V CL-PD6720 5V B_VPP_PGM B_VPP_V CC B_V _3 CC B_V _5 CC *FOR 5V TO 12V CONVERSION USE 10µH, COILCRAFT DO1608-103. ...
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U TYPICAL APPLICATIONS 3. 100µF 10V 3.3V 0.1µF 5V 0.1µF CL-PD6710 VPP_PGM VPP_V *FOR 5V TO 12V CONVERSION USE 10µH, COILCRAFT D01608-103. SEE LT1301 DATA SHEET FOR MORE DETAILED INFORMATION ...
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LTC1472 U TYPICAL APPLICATIONS Using the LT1121 Powered from an Auxiliary Winding for 12V VPP Power *13V TO 20V (MAY BE FROM AUXILIARY + WINDING) 10µF 10V 5V 2N7002 3.3V 0.1µF 5V 0.1µF CL-PD6710 VPP_PGM VPP_V ...
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... CC Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of circuits as described herein will not infringe on existing patent rights. Dual Protected PCMCIA Power Management System Powered by System 12V Supply 0.1µ ...
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... IN OUT Q = 2.5V to 5.5V 0.8V 60µA IN OUT Q = 2.5V to 5.5V 0.8V 60µA IN OUT Q = 2.25V to 5.5V 280µA IN OUT REF 5.5V to 60V 1.20V 2.5mA IN OUT Q = 2.5V to 5.5V 2.5V 25µA IN OUT Q LT/LT 0705 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1995 1472fa ...