LP2951CMM-3.3 National Semiconductor, LP2951CMM-3.3 Datasheet - Page 8
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LP2951CMM-3.3
Manufacturer Part Number
LP2951CMM-3.3
Description
Manufacturer
National Semiconductor
Specifications of LP2951CMM-3.3
Case
MSOP8
Date_code
06+
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Electrical Characteristics
(Note 2) (Continued)
Note 10: When used in dual-supply systems where the output terminal sees loads returned to a negative supply, the output voltage should be diode-clamped to
ground.
≥ 2V, V
≤ 30V, V
Note 11: V
= 0, Feedback pin tied to V
.
shutdown
in
out
TAP
Note 12: Output or reference voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range.
Note 13: Thermal regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding load or line regulation
effects. Specifications are for a 50mA load pulse at V
= 30V (1.25W pulse) for T = 10ms.
IN
Note 14: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are
covered under the specification for thermal regulation.
Note 15: Line regulation for the LP2951 is tested at 150˚C for I
= 1mA. For I
= 100µA and T
= 125˚C, line regulation is guaranteed by design to 0.2%. See Typical
L
L
J
Performance Characteristics for line regulation versus temperature and load current.
Note 16: A Military RETS specification is available on request. At time of printing, the LP2951 RETS specification complied with the boldface limits in this column.
The LP2951H, WG, or J may also be procured as Standard Military Drawing Spec #5962-3870501MGA, MXA, or MPA.
Note 17: All LP2950 devices have the nominal output voltage coded as the last two digits of the part number. In the LP2951 products, the 3.0V and 3.3V versions
are designated by the last two digits, but the 5V version is denoted with no code at this location of the part number (refer to ordering information table).
Note 18: Human Body Model 1.5kΩ in series with 100pF.
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