LP5907UVX-1.8-NOPB datasheet(4/21 Pages) TI1

Part #	LP5907UVX-1.8-NOPB

Description	ULTRA LOW NOISE, 250-mA LINEAR REGULATOR FOR RF AND ANALOG CIRCUITS

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Manufacturer	TI1 [Texas Instruments]

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LP5907

SNVS798D – APRIL 2012 – REVISED NOVEMBER 2012

www.ti.com

ELECTRICAL CHARACTERISTICS

(1) (2) (3)

Limits in standard typeface are for TA = 25°C. Limits in boldface type apply over the full operating junction temperature range

(–40°C

≤ TJ ≤ +125°C). Unless otherwise noted, specifications apply to LP5907 (all packages) Typical Application Circuit (pg.

1) with:

VIN = VOUT (NOM) + 1 V, VEN = 1.2 V, CIN = 1 µF, COUT = 1 µF, IOUT = 1 mA.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN

Input voltage

2.2

5.5

V

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

–2

2

IOUT = 1 mA to 200 mA

Output voltage tolerance

%

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

IOUT = 1 mA to 200 mA

-3

3

ΔVOUT

(VOUT < 1.8V, SOT23)

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

Line regulation

0.02

%/V

IOUT = 1 mA

Load regulation

IOUT = 1 mA to 250 mA

0.001

%/mA

Load current

See (4)

ILOAD

mA

Maximum output current

250

VEN = 1.2 V, IOUT = 0 mA

12

25

IQ

Quiescent current(5)

VEN = 1.2 V, IOUT = 250 mA

250

425

µA

VEN = 0.3 V (Disabled)

0.2

1

IG

Ground current(6)

IOUT = 0 mA (VEN = 1.2 V)

14

µA

VOUT = 2.8 V, IOUT = 100 mA

50

VOUT = 2.8 V, IOUT = 250 mA

120

200

VDO

Dropout voltage(7)

mV

VOUT = 2.8 V, IOUT = 250 mA (SOT23

250

package)

ISC

Short circuit current limit

See (8)

250

500

mA

f = 100 Hz, IOUT = 20 mA

90

f = 1 kHz, IOUT = 20 mA

82

Power supply rejection

PSRR

dB

ratio(9)

f = 10 kHz, IOUT = 20 mA

65

f = 100 kHz, IOUT = 20 mA

60

IOUT = 1 mA

10

eN

Output noise voltage(9)

BW = 10 Hz to 100 kHz

µVRMS

IOUT = 250 mA

6.5

Temperature

160

TSHUTDOWN

Thermal shutdown

°C

Hysteresis

15

LOGIN INPUT THRESHOLDS

VIL

Low input threshold (VEN)

VIN = 2.2 V to 5.5 V

0.4

V

VIH

High input threshold (VEN)

VIN = 2.2 V to 5.5 V

1.2

V

VEN = 5.5 V and VIN = 5.5 V

5.5

IEN

Input current at VEN Pin

(10)

µA

VEN = 0 V and VIN = 5.5 V

0.001

(1)

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

(2)

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

likely norm.

(3)

In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may

have to be derated. Maximum ambient temperature (TA-MAX) is dependent on the maximum operating junction temperature (TJ-MAX-OP =

125°C), the maximum power dissipation of the device in the application (PD-MAX), and the junction-to ambient thermal resistance of the

part/package in the application

θJA), as given by the following equation: TA-MAX = TJ-MAX-OP – (θJA × PD-MAX). See applications section.

(4)

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

(5)

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

(6)

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

(7)

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.

(8)

Short Circuit Current is measured with VOUT pulled to 0 V and VIN worst case = 6 V.

(9)

This specification is ensured by design.

(10) There is a 1-M

Ω resistor between VEN and ground on the device.

4

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