LTC1530IS8-2.5 Linear Technology, LTC1530IS8-2.5 Datasheet
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LTC1530IS8-2.5
Specifications of LTC1530IS8-2.5
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LTC1530IS8-2.5 Summary of contents
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... Shutdown mode drops the LTC1530 supply cur- rent ® -2, SPARC, The LTC1530 is specified for commercial and industrial temperature ranges and is available in the S0-8 package. , LTC and LT are registered trademarks of Linear Technology Corporation. Pentium is a registered trademark of Intel Corp. AMD- registered trademark of Advanced Micro Devices, Inc ...
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... LTC1530CS8-1 LTC1530CS8-2 LTC1530CS8-2 MAX LTC1530CS8-3.3 S8 PACKAGE LTC1530IS8 8-LEAD PLASTIC SO LTC1530IS8-1.9 = 125 C, = 130 C/ W JMAX JA LTC1530IS8-2.5 FOR FIXED VOLTAGE VERSIONS LTC1530IS8-2.8 LTC1530IS8-3.3 S8 PART MARKING 153028 1530I 153033 530I19 530I25 MIN TYP MAX 1.223 1.235 1.247 1.216 1.235 1.254 1.881 1.9 1.919 1.871 1 ...
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... DC gain and transconductance are G and g multiplied by the ratio 1.235/V . mERR OUT The denotes specifications that apply over the full operating temperature = 12V unless otherwise noted. (Note 3) CC CONDITIONS LTC1530IS8-1.9 (Note 4) LTC1530IS8-2.5 (Note 4) LTC1530IS8-2.8 (Note 4) LTC1530IS8-3.3 (Note 14A OUT V = 4.75V to 5.25V OUT Figure (Note 8) FB Figure 3, COMP = 0 ...
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LTC1530 W U TYPICAL PERFOR A CE CHARACTERISTICS Efficiency vs Load Current 100 REFER TO FIGURE 0.3 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Error Amplifier Open-Loop Gain vs Temperature –55 –35 – 105 125 TEMPERATURE ( C) 1530 G10 I Sink Current vs Temperature MAX 300 ...
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LTC1530 CTIO S PV (Pin 1): Power Supply for G1, G2 and Logic must connect to a potential of at least 5V, generate PV using a simple charge pump IN ...
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W BLOCK DIAGRA INTERNAL OSCILLATOR I COMP 4 COMP REF HCL MHCL MONO TEST CIRCUITS 750 0 MAX COMP LTC1530-2 100pF G2 ...
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LTC1530 TEST CIRCUITS PV CC 12V + 0 3300pF LTC1530 COMP COMP G2 V GND 3300pF OUT U U APPLICATIO S I FOR ATIO OVERVIEW The LTC1530 is a voltage feedback, synchronous switch- ing ...
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U U APPLICATIO S I FOR ATIO Typically, thermal shutdown is activated if the LTC1530’s junction temperature exceeds 150 C. G1 and G2 resume switching when the junction temperature drops below 100 C. Soft-Start and Current Limit Unlike other PWM ...
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LTC1530 U U APPLICATIO S I FOR ATIO Figure 5b plots the minimum required R versus the maximum operating load current ( / function of Q1’s R LOAD RIPPLE during an intial power-up sequence (V ...
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U U APPLICATIO S I FOR ATIO In order for the current limit circuit to operate properly and to obtain a reasonably accurate current limit threshold, the I and I pins must be Kelvin sensed at Q1’s drain and MAX ...
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LTC1530 U U APPLICATIO S I FOR ATIO either with the power dissipation split up accord- ing to the duty cycle: V OUT OUT OUT ...
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U U APPLICATIO S I FOR ATIO Table 1. Recommended MOSFETs for LTC1530 Applications MANUFACTURER PART NO. Siliconix SUD50N03-10 Siliconix Si4410DY ON Semiconductor MTD20N03HDL Fairchild FDS6680 ON Semiconductor MTB75N03HDL* IR IRL3103S IR IRLZ44 Fuji 2SK1388 Note: Please refer to the ...
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LTC1530 U U APPLICATIO S I FOR ATIO circuits not employing the current limit function, the current in the inductor may rise above this maximum under short circuit or fault conditions; the inductor should be sized accordingly to withstand this ...
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U U APPLICATIO S I FOR ATIO OUT The ESR of the output capacitor and the output capacitor value form a zero at the frequency ESR 2 ESR C OUT The ...
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LTC1530 U U APPLICATIO S I FOR ATIO Table 3. Suggested Compensation Network for a 5V Input Application Using Multiple Paralleled 1500 F SANYO MV-GX Output Capacitors for 2.5V Output ...
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U U APPLICATIO S I FOR ATIO 0 12V (SEE TABLE) * SILICONIX SUD50N03- SANYO 10MV1200GX OR 3 SANYO OS-CON 6SH330K DEVICE LTC1530-3.3 LTC1530-3.3 ...
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LTC1530 U TYPICAL APPLICATIO (SEE TABLE) * SILICONIX SUD50N03- SANYO 10MV1200GX OR 3 SANYO OS-CON 6SH330K DEVICE LTC1530-3.3 LTC1530-3.3 LTC1530-2.8 LTC1530-2.8 LTC1530-2.5 LTC1530-2.5 LTC1530-1.9 LTC1530-1 Dual Output (3.3V and 12V) ...
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U TYPICAL APPLICATIO MBRS120 D1 MBRS120 2. 100pF 13k C C 0.022 F Other Methods to Generate 3. 3.3V 3000pF 33k LTC1530 ...
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LTC1530 U TYPICAL APPLICATIO 3.3V C3 C10 16V 16V R2 C11 47k 470 FMMD914 + 16V 16V 1 F 16V 1 5 – ...
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U TYPICAL APPLICATIO MAX 0 LTC1530-ADJ COMP SENSE GND 4.7k 1000pF C ...
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LTC1530 U TYPICAL APPLICATIO MBR0520 4 SHDN SW LT1317 R6 2. GND R7 3000pF 300k 4 ...
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... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) 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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... High Current Synchronous Step-Down Controller IN LTC3778 Low V , Optional R OUT SENSE LTC3832 High Power, Low V Step-Down Controller IN Burst Mode is a registered trademark of Linear Technology Corporation Linear Technology Corporation 24 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 GND R8 MBRS130 MBRS130 4.7 R SENSE 0 ...