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AS7620

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

6 Electrical Characteristics

parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Operating Temperature Range

-40

85

ºC

Operating Junction Temperature

-40

125

ºC

Input Voltage Range

3.6

24

32

V

VEPF, ILIM

-0.3

3.6

V

Start-up Voltage

3.3

V

Output Voltage

AS7620-A

1.19

V

AS7620-B

Initial, at 25ºC amb.

3.267

3.300

3.333

V

Over line, load and temperature

3.218

3.383

Feedback voltage

AS7620-A

Initial, at 25ºC amb.

1.178

1.190

1.202

V

Over line and temperature

1.166

1.214

V

AS7620-B

3.218

3.300

3.383

Controller Hysteresis

AS7620-A

At FB node

8

15

30

mV

AS7620-B

22

42

82

Early Power Fail Threshold

1.19

V

Power Good Threshold

91

93

95

%

Line Regulation

0.1

% / V

Load Regulation

10% to 90% load change

0.9

%

Input Bias Current

AS7620-A

FB pin

200

nA

AS7620-B

3

5

µA

Output Current

mA

Switch Current Limit

ILIM=0V

1

192

240

288

mA

2

576

720

864

ILIM=open

800

1000

1200

P-Channel on resistance

0.4

0.8

Ω

Maximum Duty Cycle

100

%

Minimum On-Time

Current limit is not attained to turn off the

switch before the minimum on-time expired

8

10

12

µs

Minimum Off-Time

0.22

0.42

0.62

µs

Quiescent Current

Non-switching

30

45

µA

37

µA

Shutdown Current

1

5

µA

Shutdown Threshold

SHDN

1

V

Logic Input Bias Current

SHDN

1

µA

Shutdown Temperature

160

ºC

10

ºC