TPS7201Q, TPS7225Q, TPS7228Q, TPS7230Q

TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY

MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS

SLVS102F – MARCH 1995 – REVISED NOVEMBER 1998

13

POST OFFICE BOX 655303

shorted to OUT (unless otherwise noted)

PARAMETER

TEST CONDITIONS‡

TJ

TPS7250Q

UNIT

PARAMETER

TEST CONDITIONS‡

TJ

MIN

TYP

MAX

UNIT

Output voltage

VI = 6 V,

IO = 10 mA

25

°C

5

V

Output voltage

6 V

≤ VI ≤ 10 V,

5 mA

≤ IO ≤ 250 mA –40°C to 125°C

4.9

5.1

V

IO =10mA

VI = 4 88 V

25

°C

8

12

IO = 10 mA,

VI = 4.88 V

–40

°C to 125°C

30

Dropout voltage

IO = 100 mA

VI = 4 88 V

25

°C

76

85

mV

Dropout voltage

IO = 100 mA,

VI = 4.88 V

–40

°C to 125°C

136

mV

IO = 250 mA

VI = 4 88 V

25

°C

190

206

IO = 250 mA,

VI = 4.88 V

–40

°C to 125°C

312

Pass element series resistance

(4.88 V – VO)/IO,

VI = 4.88 V,

25

°C

0.76

0.825

Ω

Pass-element series resistance

(

O) O,

IO = 250 mA

I

,

–40

°C to 125°C

1.25

Ω

Input regulation

VI =6Vto10V

50

µA ≤ IO ≤ 250 mA

25

°C

28

mV

Input regulation

VI = 6 V to 10 V,

50

µA ≤ IO ≤ 250 mA

–40

°C to 125°C

35

mV

IO =5mAto250 mA

6V

≤ VI ≤ 10 V

25

°C

46

61

Output regulation

IO = 5 mA to 250 mA,

6 V

≤ VI ≤ 10 V

–40

°C to 125°C

100

mV

Output regulation

IO =50 µA to 250 mA

6V

≤ VI ≤ 10 V

25

°C

59

79

mV

IO = 50 µA to 250 mA, 6 V ≤ VI ≤ 10 V

–40

°C to 125°C

150

IO =50 µA

25

°C

41

52

Ripple rejection

f = 120 Hz

IO = 50 µA

–40

°C to 125°C

37

dB

Ripple rejection

f = 120 Hz

IO = 250 mA

25

°C

36

46

dB

IO = 250 mA

–40

°C to 125°C

32

Output noise spectral density

f = 120 Hz

25

°C

2

µV/√Hz

10 H

≤ f ≤ 100 kH

CO = 4.7 µF

25

°C

390

Output noise voltage

10 Hz

≤ f ≤ 100 kHz,

CSR† = 1

Ω

CO = 10 µF

25

°C

300

µVrms

CSR† = 1

Ω

CO = 100 µF

25

°C

175

PG trip-threshold voltage

VO voltage decreasing from above VPG

–40

°C to 125°C

0.95

×

VO(nom)

V

PG hysteresis voltage

25

°C

50

mV

PG output low voltage

IPG =1 2mA

VI = 4 25 V

25

°C

0.19

0.4

V

PG output low voltage

IPG = 1.2 mA,

VI = 4.25 V

–40

°C to 125°C

0.4

V

† CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance

to CO.

‡ Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must

be taken into account separately.