3

ML4790

Storage Temperature Range .................... –65

°C to +150°C

Lead Temperature (Soldering 10s) .......................... +260

°C

Thermal Resistance (

Plastic SOIC .................................................... 110

°C/W

OPERATING CONDITIONS

Temperature Range

ML4790CS-X ............................................ 0

°C to +70°C

ML4790ES-X ......................................... –20

°C to +70°C

ML4790CS-X ................................................ 1.0V to 6V

ML4790ES-X ................................................. 1.1V to 6V

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings are those values beyond which

the device could be permanently damaged. Absolute

maximum ratings are stress ratings only and functional

device operation is not implied.

LDO Output Current ............................................. 250mA

Junction Temperature .............................................. 150

°C

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP.

MAX

UNITS

Supply

60

75

µA

SHDN = high

15

25

µA

8

10

µA

1

µA

PFM Regulator

4.5

5

5.5

µs

LDO

SENSE Comparator Threshold Voltage

194

200

206

mV

Load Regulation

See Figure 1

4.85

5.0

5.15

V

4.85

5.0

5.15

V

Dropout Voltage

See Figure 1

300

mV

500

mV

Output Ripple

Shutdown

SHDN Threshold

0.5

0.8

1.0

V

SHDN Bias Current

–100

100

nA

Note 1:

Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.

Figure 1. Application Test Circuit

ML4790

33

µF

22

µH

(Sumida CD54)

GND

SENSE

PWR GND

SHDN

100

µF

100

µF

1nF

931k

Ω

39.2k

Ω