The LP is a 50 mA, fixed-output voltage regulator de- signed specifically to For output voltages ≤ V, refer to LPLV datasheet. If a non-standard. LPN Micropower 50 mA Ultra Low-Dropout Regulator In SOT Package .. manufacturer’s datasheet for the capacitor should be consulted before. The LP is a 50 mA fixed-output voltage regulator de- signed specifically to meet the requirements of battery-pow- ered applications. Using an optimized.

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The output capacitor must maintain its ESR in. If used in a dual-supply system where the regulator load is returned to a negative supply, the LPADJ output must be diode-clamped to ground.

Wide supply voltage range 2. For ordering Information, refer to Table 1 in this. Dropout Voltage Note 7. To ensure proper operation, the signal datssheet used to drive. A 50 mA load, and C, and limits in boldface type apply over the full operating lp298 range.

Uses tiny SOT package. Input Supply Voltage Operating. Input Supply Voltage Survival. Output adjusts from 1.


TC – Linear Regulators – Power Management

Like any low-dropout regulator, the external capacitors must. C Junction temperature range. If a ceramic is used on the output of an LDO, a small resis. The maximum allowable power dissipation at any ambient temperature is calculated using: C ESR increases at colder tem.

The output voltage is set using two external resistors see. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control.

For details, refer to Application Hints. See Typical Performance Characteristics curves. Schottky diode see below must be used in applications.

Datasheet «LP2980-ADJ»

One caution about Tantalums if they are used on the input: Ultra low dropout voltage. The ESR of a good fatasheet Tantalum. F is required the amount of capacitance may be in. A 7 pF feed-forward ca. The capacitor must be located not more than 0. Low ground pin current at all loads.

Ceramics are generally larger and more costly. Absolute maximum ratings indicate limits beyond pl2980 damage to the component may occur. A solid Tantalum capacitor is the best. The ESD rating of pins 3 and 4 is 1 kV. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator. Absolute Maximum Ratings Note 1.


Any datasheett quality Tantalum or Ceramic capacitor may be. Life support devices or systems are devices or.

LP2980 Datasheet

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.

Output Voltage Survival Note 4. The internal diode can also be turned on if the input voltage. Distributors for availability datahseet specifications.

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ESD Rating Note 2. Guaranteed 50 mA output current. A critical component is any component of a life.

A quiescent current when shutdown. The temperature stability of Tantalums is typically very good. The output capacitor must meet. Package Marking and Ordering Information. Equivalent Series Resistance for stable opera. Curves are provided below which show the allowable ESR of.