LTC4241IGN Linear Technology, LTC4241IGN Datasheet
LTC4241IGN
Specifications of LTC4241IGN
Related parts for LTC4241IGN
LTC4241IGN Summary of contents
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... High Side Drive for External N-Channel FETs –12V and 12V On-Chip Switches Fault and Power Good Outputs U APPLICATIO S PCI-Based Servers Computer Systems , LTC and LT are registered trademarks of Linear Technology Corporation. Hot Swap is a trademark of Linear Technology Corporation. U TYPICAL APPLICATIO SYSTEM POWER SUPPLY ...
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... AUXSENSE .......................... –0.3V to (AUXIN + 0.3V) V ................................................ –14V to + 0.3V EEOUT 12V .................................................. –0.3V to 14V OUT AUXGATE ......................... Internally Limited (Note 3) Operating Temperature Range LTC4241CGN ........................................... LTC4241IGN ........................................– Storage Temperature Range ..................– 150 C Lead Temperature (Soldering,10sec).................... 300 C DC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are 3.3V. (Note 2) AUXIN SYMBOL PARAMETER ...
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DC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are 3.3V. (Note 2) AUXIN SYMBOL PARAMETER V External Gate Voltage GATE V Internal Switch Voltage Drop DROP I Current Limit CL(12) I Current Limit CL(VEE) T Thermal Shutdown ...
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LTC4241 W U TYPICAL PERFOR A CE CHARACTERISTICS 3.3V and 5V Current Foldback Profile 12 3V OUT 10 5V OUT 3. 0.005 SENSE 0 0.5 1.5 2.5 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS GATE, AUXGATE Output Sink Current vs Temperature 350 300 GATE 250 200 AUXGATE 150 100 50 75 100 125 150 –75 –50 – TEMPERATURE ( C) 4241 • G10 AUXGATE ...
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LTC4241 W U TYPICAL PERFOR A CE CHARACTERISTICS Power Good Threshold Voltage vs Temperature (V ) EEOUT –10.60 –10.55 –10.50 –10.45 –10.40 –10.35 –10.30 75 100 125 150 –75 –50 – TEMPERATURE ( C) 4241 • G19 ...
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CTIO S 12V (Pin 1): 12V Supply Input. This pin powers the IN primary controller internal circuitry. A 0.5 connected between 12V and 12V IN current limit. An undervoltage lockout circuit prevents the switches from ...
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LTC4241 CTIO S a constant voltage across the sense resistor and a constant current through the switch. A foldback feature makes the current limit decrease as the voltage at the 3V pin approaches ground. To ...
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W BLOCK DIAGRA 5V 5V SENSE – OUT + 55mV A1 + – – 3. UVL PWRGD 7 Q3 FAULT UVL Q1 REF 1 20 12V 12V OUT IN 11 ...
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LTC4241 U U APPLICATIO S I FOR ATIO Hot Circuit Insertion When a circuit board is inserted into a live PCI slot, the supply bypass capacitors on the board can draw huge transient currents from the PCI power bus as ...
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U U APPLICATIO S I FOR ATIO ON 10V/DIV TIMER 10V/DIV GATE 10V/DIV 12V OUT 5V/DIV 5V 5V/DIV OUT 3V 5V/DIV OUT V EEOUT 5V/DIV FAULT 10V/DIV PWRGD 10V/DIV 10ms/DIV Figure 2. Normal Power-Up Sequence The current in each pass ...
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LTC4241 U U APPLICATIO S I FOR ATIO For C = 0.1 F, the timer period will be ~50ms. The TIMER TIMER pin is immediately pulled low when ON goes low. Thermal Shutdown The internal switches for the 12V and ...
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U U APPLICATIO S I FOR ATIO The current limit and the foldback current level (at the V = 0V) are given by: OUT I = 55mV/R LIMIT SENSE I = 9mV/R FOLDBACK SENSE As a design aid, the current ...
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LTC4241 U U APPLICATIO S I FOR ATIO Electronic Circuit Breaker for 3.3V Auxiliary Supply An electronic circuit breaker is used to protect against excessive load current and short-circuits on the 3.3V auxiliary supply. The load current is monitored by ...
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... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE 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 its circuits as described herein will not infringe on existing patent rights. ...
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... LTC4253 –48V Hot Swap Controller and Sequencer LTC4350 Hot Swappable Load Share Controller CompactPCI is a trademark of the PCI Industrial Computer Manufactures Group ThinSOT is a trademark of Linear Technology Corporation Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 R1 0 ...