LTC1159CS-5#PBF Linear Technology, LTC1159CS-5#PBF Datasheet
LTC1159CS-5#PBF
Specifications of LTC1159CS-5#PBF
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LTC1159CS-5#PBF Summary of contents
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... Burst Mode operation when load current drops below approximately 15% of maximum current. Standby current is only 300 A while still regulating the output and shut- down current is a low LTC and LT are registered trademarks of Linear Technology Corporation. Burst Mode is a trademark of Linear Technology Corporation ...
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... ORDER PART TOP VIEW NUMBER 16 CAP 15 SHDN2 LTC1159CN 14 EXTV CC LTC1159CN-3.3 13 N-GATE LTC1159CN-5 12 PGND LTC1159CS 11 SGND LTC1159CS-3 (SHDN1 LTC1159CS-5 9 SENSE LTC1159IS S PACKAGE 16-LEAD PLASTIC SO LTC1159IS-3.3 LTC1159IS ( 110 C/ W (S) JA MIN TYP MAX 1.21 1.25 1.29 0.2 3.23 3.33 3.43 4.90 5.05 5.20 – 40 ...
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... Note calculated from the ambient temperature T J dissipation P according to the following formulas: D LTC1159CG, LTC1159CG-3.3, LTC1159CG-5: T LTC1159CN, LTC1159CN-3.3, LTC1159CN-5: T LTC1159CS, LTC1159CS-3.3, LTC1159CS-5: T The denotes specifications which apply over the full operating = 12V (Note 3), unless otherwise noted SHDN1 CONDITIONS ...
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LTC1159 LTC1159-3.3/LTC1159-5 ELECTRICAL C HARA TERISTICS C Note 6: The LTC1159C, LTC1159C-3.3, and LTC1159C-5 are not tested and not quality assurance sampled at – and 85 C. These specifications are guaranteed by design and/or correlation. The LTC1159I, LTC1159I-3.3 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS EXTV Switch Drop CC 600 500 400 300 200 100 SWITCH CURRENT (mA) LTC1159 • TPC07 CTIO Main Supply ...
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LTC1159 LTC1159-3.3/LTC1159 CTIO AL DIAGRA V IN CAP LOW DROPOUT SHDN2 4.5V REGULATOR V LOW DROP SWITCH EXTV CC SLEEP + S – V TH2 OPERATIO (Refer to Functional Diagram) The LTC1159 uses a ...
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U OPERATIO (Refer to Functional Diagram) increases, the output voltage decreases slightly. This causes the output of the gain stage to increase the current com- parator threshold, thus tracking the load current. The sequence of events for Burst Mode operation ...
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LTC1159 LTC1159-3.3/LTC1159 APPLICATIO S I FOR ATIO 0.20 0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0. MAXIMUM OUTPUT CURRENT (A) Figure Maximum Output Current SENSE 15mV I BURST R ...
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U U APPLICATIO S I FOR ATIO inductor ripple current and consequent output voltage ripple which can cause Burst Mode operation to be falsely triggered in the LTC1159. Do not allow the core to saturate! Molypermalloy (from Magnetics, Inc.) is ...
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LTC1159 LTC1159-3.3/LTC1159 APPLICATIO S I FOR ATIO C and C Selection IN OUT In continuous mode, the source current of the P-channel MOSFET is a square wave of duty cycle V To prevent large voltage transients, a low ...
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U U APPLICATIO S I FOR ATIO discharged bypass capacitors are effectively put in parallel with C , causing a rapid drop in V OUT deliver enough current to prevent this problem if the load switch resistance is low and ...
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LTC1159 LTC1159-3.3/LTC1159 APPLICATIO S I FOR ATIO 4. EXTV Connected to an External Supply external CC supply is available in the 5V to 12V range, it may be used to power EXTV providing it is compatible ...
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U U APPLICATIO S I FOR ATIO the same process as in conventional applications, using either the internal divider (LTC1159-3.3, LTC1159- external divider with the adjustable version. Figure 15 in the Typical Applications shows a synchronous 12V to ...
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LTC1159 LTC1159-3.3/LTC1159 APPLICATIO S I FOR ATIO certain types of inductors in high current (I applications when they are lightly loaded. An external offset is put in series with the SENSE subtract from the built-in 0.025V offset. An ...
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U U APPLICATIO S I FOR ATIO 1) Are the signal and power grounds segregated? The LTC1159 signal ground must connect separately to the (–) plate The other ground pin(s) should return to OUT the source of ...
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LTC1159 LTC1159-3.3/LTC1159-5 U TYPICAL APPLICATIO S 1N4148 1 P-GATE 0. 0 P-DRIVE 3 1000pF 7 I 0.047 F 8 SENSE 2k 10k *MAGNETICS 77120-A7 CORE, 16T 18GA. ...
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U TYPICAL APPLICATIO S 0.33 F MPSA06 0.1 F 1N4148 MPSA56 1 P-GATE 2 0. P-DRIVE 750pF 0.047 F 8 SENSE ...
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LTC1159 LTC1159-3.3/LTC1159-5 U TYPICAL APPLICATIO S BAS16 BAS16 1 P-GATE CAP 0. SHDN2 IN 0. EXTV CC 4 P-DRIVE N-GATE LTC1159 PGND CC 2 SGND T 1000pF 7 ...
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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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... Dual, 2-Phase Step-Down Controller LTC1735 Synchronous Step-Down Controller LTC1773 550kHz Synchronous Step-Down Controller TM LTC1778 No R Step-Down Controller SENSE LTC1876 Triple Output, 2-Phase Controller trademark of Linear Technology Corporation. SENSE Linear Technology Corporation 20 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 1N4148 0. P-GATE CAP 2 ...