LP3907 datasheet(8/57 Pages) TI1

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LP3907

SNVS511N – JUNE 2007 – REVISED AUGUST 2011

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General Electrical Characteristics

(1) (2) (3) (4) (5)

Unless otherwise noted, VIN = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25°C. Limits appearing

in boldface type apply over the entire junction temperature range for operation,

−40°C to +125°C.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

VINLDO12 Shutdown Current

VIN = 3.6V

µA

VPOR

Power-On Reset Threshold

VDD Falling Edge

(5)

1.9

TSD

Thermal Shutdown Threshold

160

°C

TSDH

Themal Shutdown Hysteresis

°C

UVLO

Under Voltage Lock Out

Rising

2.9

Falling

2.7

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the component may occur. Operating Ratings are conditions under

which operation of the device is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed

performance limits and associated test conditions, see the Electrical Characteristics.

(2)

All voltages are with respect to the potential at the GND pin.

(3)

Min and Max limits are guaranteed by design, test, or statistical analysis. Typical numbers are not guaranteed, but do represent the

most likely norm.

(4)

This specification is guaranteed by design.

(5)

VPOR is voltage at which the EPROM resets. This is different from the UVLO on VINLDO12, which is the voltage at which the

regulators shut off; and is also different from the nPOR function, which signals if the regulators are in a specified range.

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