DC1084A-A Linear Technology, DC1084A-A Datasheet
DC1084A-A
Specifications of DC1084A-A
Related parts for DC1084A-A
DC1084A-A Summary of contents
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... LTM4602HV. L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. μModule is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 5481178, 6100678, 6580258, 5847554, 6304066. ...
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LTM4602 ABSOLUTE MAXIMUM RATINGS (Note 1) FCB, EXTV , PGOOD, RUN/SS OUT ............................................ –0.3V to 20V IN IN ADJ V , COMP ............................................. –0.3V to 2.7V OSET Operating Temperature Range (Note 2).... –40°C ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER I Input Supply Current S(VIN) Output Specifi cations I Output Continuous Current Range OUTDC (See Output Current Derating Curves for Different and T IN OUT ...
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LTM4602 TYPICAL PERFORMANCE CHARACTERISTICS Effi ciency vs Load Current with 5V (FCB = 0) IN 100 0.8V OUT 1.2V OUT 60 1.5V OUT 1.8V OUT 2.5V OUT 50 3.3V * OUT *FOR 5V TO 3.3V CONVERSION, 40 ...
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TYPICAL PERFORMANCE CHARACTERISTICS Start-Up, No Load OUT V OUT 0.5V/DIV I IN 0.5A/DIV 4602 G10 200μs/DIV V = 12V 1.5V OUT × 22μF, 6.3V X5R OUT 330μF, 4V SANYO POSCAP NO ...
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LTM4602 PIN FUNCTIONS (See Package Description for Pin Assignment) V (Bank 1): Power Input Pins. Apply input voltage be- IN tween these pins and PGND pins. Recommend placing input decoupling capacitance directly between V and PGND pins. f (Pin A15): ...
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SIMPLIFIED BLOCK DIAGRAM RUN/SS PGOOD COMP COMP FCB f ADJ 10Ω SGND EXTV CC V OSET R SET 66.5k DECOUPLING REQUIREMENTS SYMBOL PARAMETER C External Input Capacitor Requirement 4.5V to 20V OUT C External Output ...
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LTM4602 OPERATION μModule Description The LTM4602 is a standalone nonisolated synchronous switching DC/DC power supply. It can deliver output current with only bulk external input and output capacitors. This module provides a precisely regulated output ...
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APPLICATIONS INFORMATION The typical LTM4602 application circuit is shown in Fig- ure 21. External component selection is primarily deter- mined by the maximum load current and output voltage. Output Voltage Programming and Margining The PWM controller of the LTM4602 has ...
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LTM4602 APPLICATIONS INFORMATION Output Capacitors The LTM4602 is designed for low output voltage ripple. The bulk output capacitors C is chosen with low enough OUT effective series resistance (ESR) to meet the output voltage ripple and transient requirements. C tantalum ...
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APPLICATIONS INFORMATION Table 2. Output Voltage Response Versus Component Matrix (Refer to Figure 21 Step (Typical Values) TYPICAL MEASURED VALUES C VENDORS PART NUMBER OUT1 TDK C4532X5R0J107MZ (100μF ,6.3V) TAIYO YUDEN JMK432BJ107MU-T ( 100μF , 6.3V) TAIYO ...
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LTM4602 APPLICATIONS INFORMATION After the controller has been started and given adequate time to charge up the output capacitor, C short-circuit timer. After the RUN/SS pin charges above 4V, if the output voltage falls below 75% of its regulated value, ...
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APPLICATIONS INFORMATION Enable The RUN/SS pin can be driven from logic as shown in Figure 5. This function allows the LTM4602 to be turned on or off remotely. The ON signal can also control the sequence of the output voltage. ...
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... The LTM4602 modules do not provide isolation from There is no internal fuse. If required, a slow blow fuse OUT with a rating twice the maximum input current should be provided to protect each unit from catastrophic failure. OPTI-LOOP is a registered trademark of Linear Technology Corporation. V PULLUP 100k PGOOD V ...
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APPLICATIONS INFORMATION 2.0 1.8 1.6 1.4 12V TO 1.5V 1.2 LOSS 1.0 0 1.5V 0.6 LOSS 0.4 0.2 0 0.6 1.0 2.1 3.1 4.1 5.1 6.1 CURRENT (A) 4602 F08 Figure 8. 1.5V Power Loss vs Load Current ...
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LTM4602 APPLICATIONS INFORMATION 0LFM 1 200LFM 400LFM TEMPERATURE (°C) Figure 16. 12V to 3.3V, No Heat Sink Table 3. 1.5V Output AIR FLOW (LFM) HEAT SINK 0 None 200 ...
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APPLICATIONS INFORMATION PGND V OUT LOAD TOP LAYER Figure 18. Recommended PCB Layout from The on time is equal ADJ • 10pF and – ...
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LTM4602 APPLICATIONS INFORMATION Equations for setting frequency for 5V to 3.3V – 0.7V)/110k 39μ frequency = (I /[2.4V • 10pF]) • 1.07MHz duty cycle, duty cycle is ...
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APPLICATIONS INFORMATION 4. 10μF 25V RUN/SOFT-START WITH 20V C3 10μF 25V RUN/SOFT-START 7V TO 20V AT 5A WITH f Figure 20 150μF 5V ...
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LTM4602 TYPICAL APPLICATION 4.5V TO 20V C7 10μF 25V RUN/SOFT-START C1 10μF 25V 20 Parallel Operation and Load Sharing OUT WHERE ADJ EXTV V CC OUT FCB V OSET R SET ...
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PACKAGE DESCRIPTION 6.9865 5.7142 4.4442 3.1742 1.9042 0.6342 0.0000 0.6358 1.9058 3.1758 4.4458 5.7158 6.9421 Z Z bbb 6.3500 5.0800 3.8100 2.5400 1.2700 0.3175 0.0000 0.3175 1.2700 2.5400 3.8100 5.0800 6.3500 LTM4602 4602fa 21 ...
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LTM4602 PACKAGE DESCRIPTION PIN NAME PIN NAME ...
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... N22 PGND 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. Pin Assignment Tables (Arranged by Pin Number) ...
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... DC/DC μModule with PLL, Output Tracking/ Margining and Remote Sensing LTM4603 6A DC/DC μModule with PLL and Output Tracking/ Margining and Remote Sensing PolyPhase is a registered trademark of Linear Technology Corporation. 24 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● ...