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Texas Instruments LP2950CDTX-5.0/NOPB의 평가 키트와 참조 설계를 확인하세요.
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설명
유통업체에서 제공한 Texas Instruments LP2950CDTX-5.0/NOPB에 대한 설명입니다.
100-mA, 30-V, low-dropout voltage regulator with low IQ 3-TO-252 -40 to 125
LP2950 Tape & Reel (TR) Surface Mount Over Current Over Temperature Short Circuit voltage regulator linear 380mV 2.55mm 100mA -40C~125C TJ
LDO, FIXED, 5V, 0.1A, TO-252-3; Type de sortie: Fixe; Tension, entrée min.: 2.3V; Tension, entrée max..: 30V; Tension de sortie fixe Nom.: 5V; Tension de sortie ajustable min: -; Tension de sortie ajustable max.: -; Courant, s
IC, LDO REGULATOR; Primary Input Voltage:30V; Output Voltage Adjustable Range:-; Output Voltage Fixed:5V; Dropout Voltage Vdo:380mV; No. of Pins:3; Output Current:100mA; Operating Temperature Range:-40°C to +125°C ;RoHS Compliant: Yes
The LP2950 and LP2951 are micro power voltage regulators with very low quiescent current (75uA typ.) and very low dropout voltage (typ. 40mV at light loads and 380mV at 100mA). They are ideally suited for use in battery-powered systems. Furthermore, the quiescent current of the LP2950/ LP2951 increases only slightly in dropout, prolonging battery life. The LP2950-5.0 is available in the surface-mount D-Pak package, and in the popular 3-pin TO-92 package for pincompatibility with older 5V regulators. The 8-lead LP2951 is available in plastic, ceramic dual-in-line, LLP, or metal can packages and offers additional system functions. One such feature is an error flag output which warns of a low output voltage, often due to falling batteries on the input. It may be used for a power-on reset. A second feature is the logic-compatible shutdown input which enables the regulator to be switched on and off. Also, the part may be pin-strapped for a 5V, 3V, or 3.3V output (depending on the version), or programmed from 1.24V to 29V with an external pair of resistors. Careful design of the LP2950/LP2951 has minimized all contributions to the error budget. This includes a tight initial tolerance (.5% typ.), extremely good load and line regulation (.05% typ.) and a very low output voltage temperature coefficient, making the part useful as a low-power voltage reference.
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기술 사양
Physical
Case/PackageTO-252
Contact PlatingTin
MountSurface Mount
Number of Pins3
Technical
Accuracy3 %
Dropout Voltage380 mV
Max Input Voltage30 V
Max Junction Temperature (Tj)125 °C
Max Operating Temperature125 °C
Max Output Current100 mA
Max Supply Voltage30 V
Min Operating Temperature-40 °C
Min Supply Voltage2.3 V
Nominal Output Voltage5 V
Number of Channels1
Number of Outputs1
Output Current100 mA
Output TypeFixed
Output Voltage5 V
Output Voltage Accuracy0.5 %
PolarityPositive
Quiescent Current75 µA
Schedule B8542390000
Dimensions
Height2.55 mm
Length6.58 mm
Thickness2.3 mm
Width6.1 mm