LP5900TL-2.7SLASHNOPB datasheet(5/30 Pages) TI1

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LP5900

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SNVS358R – JULY 2005 – REVISED JUNE 2016

Product Folder Links: LP5900

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(1)

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

(2)

Minimum and Maximum limits are specified by design, test, or statistical analysis. Typical numbers are not ensured, but do represent the

most likely norm.

(3)

The device maintains a stable, regulated output voltage without a load current.

(4)

Quiescent current is defined here as the difference in current between the input voltage source and the load at the OUT pin.

(5)

Ground current is defined here as the total current flowing to ground as a result of all input voltages applied to the device.

(6)

Dropout voltage is the voltage difference between the input and the output at which the output voltage drops to 100 mV below its

nominal value. This parameter only applies to output voltages above 2.5 V.

(7)

Short-circuit current is measured with OUT pulled to 0 V and IN worst case = 6 V.

(8)

This specification is specified by design.

(9)

There is a 1-M

Ω resistor between EN pin and ground on the device.

6.5 Electrical Characteristics

Unless otherwise noted, specifications apply in Figure 16 with: VIN = VOUT (NOM) + 1 V, VEN = 1.2 V, CIN = COUT = 0.47 μF, IOUT

= 1 mA.

(1) (2)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage

2.5

5.5

ΔVOUT

Output voltage tolerance

VIN = (VOUT(NOM) + 1 V) to 5.5 V, IOUT = 1

mA to 150 mA,

–40°C

≤ TJ ≤ 125°C

−2%

Line regulation

VIN = (VOUT(NOM) + 1 V) to 5.5 V, IOUT = 1

0.05

Load regulation

IOUT = 1 mA to 150 mA

0.001

%mA

ILOAD

Load current

See(3)

Maximum output current

–40°C

≤ TJ ≤ 125°C

150

Quiescent current(4)

VEN = 1.2 V, IOUT = 0 mA

µA

VEN = 1.2 V, IOUT = 0 mA, –40°C ≤ TJ ≤

125°C

VEN = 1.2 V, IOUT = 150 mA

160

VEN = 1.2 V, IOUT = 150 mA, –40°C ≤ TJ ≤

125°C

230

VEN = 0.3 V (disabled)

0.003

VEN = 0.3 V (disabled, –40°C ≤ TJ ≤

125°C

Ground current(5)

IOUT = 0 mA (VOUT = 2.5 V)

µA

VDO

Dropout voltage(6)

IOUT = 150 mA

IOUT = 150 mA, –40°C ≤ TJ ≤ 125°C

150

ISC

Short-circuit current limit(7)

300

PSRR

Power supply rejection ratio(8)

f = 100 Hz, IOUT = 150 mA

f = 1 kHz, IOUT = 150 mA

f = 10 kHz, IOUT = 150 mA

f = 50 kHz, IOUT = 150 mA

f = 100 kHz, IOUT = 150 mA

Output noise voltage(8)

BW = 10 Hz to 100

kHz, VIN = 4.2 V

IOUT = 0 mA

μVRMS

IOUT = 1 mA

IOUT = 150 mA

6.5

TSHUTDOWN

Thermal shutdown

Temperature

160

ºC

Hysteresis

VIL

Low input threshold (VEN)

VIN = 2.5 V to 5.5 V, –40°C ≤ TJ ≤ 125°C

0.4

VIH

High input threshold (VEN)

VIN = 2.5 V to 5.5 V, –40°C ≤ TJ ≤ 125°C

1.2

IEN

Input current at EN pin(9)

VEN = 5.5 V and VIN = 5.5 V

5.5

μA

VEN = 0 V and VIN = 5.5 V

0.001

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