3

FN6300.2

April 16, 2007

Absolute Maximum Ratings

Thermal Information

All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VIN+0.3V)

Recommended Operating Conditions

Thermal Resistance

5 Ld SC-70 Package (Note 3) . . . . . . . . . . . . . . . . .

231

6 Ld

μTDFN Package (Note 4) . . . . . . . . . . . . . . . .

125

Junction Temperature Range . . . . . . . . . . . . . . . . . -40°C to +125°C

Operating Temperature Range . . . . . . . . . . . . . . . . . -40°C to +85°C

Storage Temperature Range . . . . . . . . . . . . . . . . . . -65°C to +150°C

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

3.

4.

Tech Brief TB379.

Electrical Specifications

Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature

range of the device as follows:

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

DC CHARACTERISTICS

Supply Voltage

2.3

6.5

V

Ground Current

66

μA

Shutdown Current

0.5

1.2

μA

UVLO Threshold

1.9

2.1

2.3

V

1.6

1.8

2.0

V

Regulation Voltage Accuracy

-0.7

+0.7

%

-0.8

+0.8

%

+125°C

-1.8

+1.8

%

Maximum Output Current

Continuous

150

mA

Internal Current Limit

175

265

355

mA

Drop-out Voltage (Note 6)

300

500

mV

250

400

mV

200

325

mV

Thermal Shutdown

Temperature

140

°C

110

°C

AC CHARACTERISTICS

Ripple Rejection (Note 5)

@ 1kHz

65

dB

@ 10kHz

45

dB

@ 100kHz

35

dB

Output Noise Voltage (Note 5)

μV

RMS

65

DEVICE START-UP CHARACTERISTICS

Device Enable Time

Time from assertion of the ENx pin to when the output voltage

reaches 95% of the VO(nom)

250

500

μs

LDO Soft-start Ramp Rate

Slope of linear portion of LDO output voltage ramp during start-up

30

60

μs/V

ISL9008A