LTM8026_1208 LINER [Linear Technology], LTM8026_1208 Datasheet
LTM8026_1208
Related parts for LTM8026_1208
LTM8026_1208 Summary of contents
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FeaTures Complete Step-Down Switch Mode Power Supply n Constant-Voltage Constant-Current Operation n Selectable Output Current Parallelable for Increased Output Current, Even n from Different Voltage Sources Wide Input Voltage Range 36V n 1.2V to ...
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LTM8026 absoluTe MaxiMuM raTings (Note 1) V ............................................................................40V IN ADJ, RT, COMP, CTL_I, CTL_T, V REF V ..........................................................................25V OUT RUN, SYNC, SS ...........................................................6V Current Into RUN Pin ............................................100µA Internal Operating Temperature Range .. –40°C to 125°C Solder Temperature ............................................... 250°C ...
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T PARAMETER Minimum Input Voltage Output DC Voltage Output DC Current Quiescent Current Into V IN Line Regulation Load Regulation Output RMS Voltage Ripple Switching Frequency Voltage at ADJ Pin Current ...
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LTM8026 Typical perForMance characTerisTics T = 25°C, unless otherwise noted. Configured per Table 1, where applicable. A 1.2V Efficiency OUT vs Output Current 12V IN 55 24V IN 36V IN 50 ...
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Typical perForMance characTerisTics T = 25°C, unless otherwise noted. Configured per Table 1, where applicable. A 24V Efficiency OUT vs Output Current 100 28V IN 36V OUTPUT CURRENT ...
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LTM8026 Typical perForMance characTerisTics T = 25°C, unless otherwise noted. Configured per Table 1, where applicable. A Input Current vs Output Current 3.3V OUT 3 12V IN 3.0 24V IN 36V IN 2.5 2.0 1.5 1.0 0.5 0 ...
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Typical perForMance characTerisTics T = 25°C, unless otherwise noted. Configured per Table 1, where applicable. A Input Current vs Load Current –8V OUT 3.0 12V IN 24V IN 2.5 28V IN 2.0 1.5 1.0 0 ...
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LTM8026 Typical perForMance characTerisTics T = 25°C, unless otherwise noted. Configured per Table 1, where applicable. A Minimum Required Input Voltage vs Load 24V OUT 28.0 27.5 27.0 26.5 26.0 25 LOAD CURRENT (A) 8026 ...
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Typical perForMance characTerisTics T = 25°C, unless otherwise noted. Configured per Table 1, where applicable. A Temperature Rise vs Load Current 12V OUT 120 36V IN 24V IN 100 15V ...
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LTM8026 Typical perForMance characTerisTics T = 25°C, unless otherwise noted. Configured per Table 1, where applicable. A CTL_I Voltage vs Load Current, CTL_T = 2V 2.5 2.0 1.5 1.0 0 LOAD CURRENT (A) pin FuncTions V ...
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FuncTions SS (Pin J8): The Soft-Start Pin. Place an external capacitor to ground to limit the regulated current during start-up conditions. The soft-start pin has an 11µA charging current. ADJ (Pin K8): The LTM8026 regulates its ADJ pin to ...
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LTM8026 operaTion The LTM8026 is a standalone nonisolated step-down switching DC/DC power supply that can deliver output current. This µModule regulator provides a precisely regulated output voltage programmable via one external resistor from 1.2V to 24V. ...
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For most applications, the design process is straight forward, summarized as follows: 1. Look at Table 1 and find the row that has the desired input range and output voltage. 2. Apply the recommended ...
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LTM8026 applicaTions inForMaTion graphs in the Typical Performance Characteristics section for guidance. The maximum frequency (and attendant R which the LTM8026 should be allowed to switch is given in Table 1 in the f column, while the recommended MAX frequency ...
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The internal oscillator may also be synchronized to an external clock through the SYNC pin. The external clock applied to the SYNC pin must have a logic low below 0.6V and ...
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LTM8026 applicaTions inForMaTion down switching for 13µs. The regulated output voltage must be greater than 1.21V and is set by the equation: 11.9 R kΩ = ADJ V – 1.19 OUT where R is shown in Figure 3. ADJ V ...
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LTM8026s equally sharing output current is shown in the Typical Applications section. The modulation of the CTL_I inputs is performed at a high bandwidth, so use an op amp with a gain bandwidth product greater than 1MHz. The ...
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LTM8026 applicaTions inForMaTion 3. Place the C capacitor as close as possible to the OUT V and GND connection of the LTM8026. OUT 4. Place the C and C capacitors such that their IN OUT ground current flow directly adjacent ...
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JCbottom all of the component power dissipation flowing through the bottom of the package. In the typical µModule regulator, the bulk of the heat flows out the bottom of the package, ...
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LTM8026 Typical applicaTions 36V 36V 15V TO 36V 20 36V , 3.3V Step-Down CVCC Converter IN OUT LTM8026 OUT 510k 10µF RUN SS V REF SYNC CTL_I COMP CTL_T RT ...
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Typical applicaTions 31V 5V 0 Two LTM8026s Operating in Parallel to Produce 2. 36V 10µF 31V , –5V Negative CVCC Converter IN OUT LTM8026 OUT 10µF RUN SS V ...
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LTM8026 Typical applicaTions Two LTM8026s Operating in Parallel to Produce 2. 36V 324k 10µF 0.1µF Two LTM8026s Running from 12V and 24V. At Max Load, Each LTM8026 Draws Less Than 750mA from Their Respective Input Sources ...
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DescripTion PIN NAME PIN OUT OUT OUT OUT A5 GND B5 A6 GND B6 A7 GND B7 A8 GND B8 PIN NAME PIN G1 GND G2 GND ...
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LTM8026 package DescripTion Please refer to http://www.linear.com/designtools/packaging/ 24 for the most recent package drawings bbb // 4.445 3.175 1.905 0.635 0.000 0.635 1.905 3.175 4.445 Z aaa 8026fa ...
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REV DATE DESCRIPTION A 8/12 Added MP-Grade. 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 ...
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LTM8026 Typical applicaTion 36V , 3. 36V relaTeD parTs PART NUMBER DESCRIPTION LTM8062 32V , 2A µModule Battery Charger with Maximum Peak Power IN Tracking (MPPT) LTM8027 60V , 4A DC/DC Step-Down µModule Regulator IN ...