ACE533J

500mA, Micropower, VLDO Linear Regulator

VER 1.2

4

Electrical Characteristics

Over recommended operating free-air temperature range (unless otherwise noted)

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

Input Voltage Range

2.5

6.0

V

Input Under Voltage Lockout

1.8

2.4

V

Operating Quiescent Current

100

150

μA

250

300

Shutdown Leakage Current

1

μA

I

OUT

Output Current

500

mA

FB Voltage

1

V

Output Voltage Accuracy

1mA≤I

OUT

≤500mA, T

-2

+2

%

ΔV

DO

Dropout Voltage

2.5V≤V

OUT

220

320

mV

I

LIMT

Output Current Limit

≥2.5V

700

mA

t

Startup Time Response

=68Ω, C

OUT

=1μF

40

μs

V

IL

SHDN Input Low Voltage

2.5V≤V

IN

≤6.0V

0.4

V

V

IH

SHDN Input High Voltage

2.5V≤V

IN

≤6.0V

2.0

V

SHDN

Input Current

-1

+1

μA

T

SHDN

Thermal-Shutdown

Temperature

160

°C

ΔT

SHDN

Thermal-Shutdown

Hysteresis

25

°C

Line Regulation

≤V

IN

≤6.0V (2.5V≤V

0.09

%/V

Load Regulation

(2.5V

≤V

≤I

OUT

≤500mA

0.2

%

Output Voltage Noise

10Hz to

100kHz,

μF,

Adjustable

Output,

60

μVRMS

Adjustable

Output,

194

Adjustable

Output,

305

PSRR

Power Supply Ripple

Rejection

f=100Hz

65

dB

f=1kHz

60

f=10kHz

45