LP38501TS-ADJ NSC [National Semiconductor], LP38501TS-ADJ Datasheet
LP38501TS-ADJ
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LP38501TS-ADJ Summary of contents
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LP38501/3-ADJ, LP38501A/3A-ADJ 3A FlexCap Low Dropout Linear Regulator for 2.7V to 5.5V Inputs General Description National's FlexCap LDO's feature unique compensation that allows the use of any type of output capacitor with no limits on minimum or maximum ESR. The ...
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... Connection Diagrams for TO-263 (TS) Package Top View (LP38501TS-ADJ) TO-263 Package Connection Diagrams for TO-263 THIN (TJ) Package Top View (LP38501TJ-ADJ, LP38501ATJ-ADJ) TO-263 THIN Package www.national.com 30028122 Top View (LP38503TS-ADJ) 30028162 Top View (LP38503TJ-ADJ, LP38503ATJ-ADJ) 2 30028121 TO-263 Package 30028163 TO-263 THIN Package ...
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... The DAP is electrically connected to the backside of the die. The DAP must be connected to ground potential, but can not be used as the only ground connection. Package Type Package Marking LP38501TS-ADJ LP38501TS-ADJ TO-263 LP38503TS-ADJ LP38503TS-ADJ LP38501TJ-ADJ LP38503TJ-ADJ TO-263 THIN ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Range Lead Temperature (Soldering, 5 sec.) ESD Rating (Note 2) Power Dissipation(Note 3) Input Pin Voltage (Survival) ...
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Symbol Parameter AC Parameters PSRR Ripple Rejection ρ Output Noise Density n(l/f) e Output Noise Voltage n Thermal Characteristics T Thermal Shutdown SD ΔT Thermal Shutdown Hysteresis T SD Thermal Resistance θ J-A Junction to Ambient Thermal Resistance θ J-C ...
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Typical Performance Characteristics µ µ mA OUT OUT Noise Density I vs Load Current GND V vs Temperature ADJ www.national.com Unless otherwise specified 1.8V OUT 30028110 30028111 ...
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V vs Temperature EN 30028116 Load Regulation vs Temperature 30028118 Turn-on Time 30028156 Turn-on Characteristics Turn-on Time 7 30028117 30028155 www.national.com ...
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Block Diagrams www.national.com LP38501-ADJ Block Diagram LP38503-ADJ Block Diagram 8 30028150 30028151 ...
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Application Information EXTERNAL CAPACITORS The LP3850X requires that at least 10 µF (±20%) capacitors be used at the input and output pins located within one cm of the IC. Larger capacitors may be used without limit on size for both ...
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FIGURE 3. Gain-Bandwidth Plot for No Load The reduction in unity-gain bandwidth as load current is re- duced is normal for any LDO regulator using a P-FET or PNP pass transistor, because they have a pole in the loop gain ...
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FIGURE 6. Rising Edge, 10 µF Ceramic, 75A/µs di/dt It can be seen from the figure that the output voltage starts “correcting” back upwards after less than a micro second, and has fully reversed direction after about 1.2 µs. This ...
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FIGURE 9. 10 µF Ceramic Paralleled By 220 µF Generic Aluminum Electrolytic A solid Tantalum should work better, so the aluminum elec- trolytic is replaced by a 220 µF Tantalum (Figure 10). The peak amplitude of the output transient is ...
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At MHz frequencies, ground planes begin to look inductive and RFI/EMI can cause ground bounce across the ground plane. In multi-layer PC Board applications, care should ...
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FIGURE 12. θ vs Copper Area for TO-263 Package JA www.national.com As shown in the figure, increasing the copper area beyond 1.5 square inch produces very little improvement. 30028152 14 ...
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Physical Dimensions inches (millimeters) unless otherwise noted TO-263 5-Lead, Molded, Surface Mount Package TO-263 THIN 5-Lead, Molded, Surface Mount Package NS Package Number TS5B NS Package Number TJ5A 15 www.national.com ...
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