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AS1341

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

on page 1.

Note:

All limits are guaranteed. The 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

-45

85

°C

Input Voltage Range

4.5

20

V

Output Voltage (Preset Output)

FB = GND

4.85

5.00

5.15

V

Output Voltage (Adjustable)

1.25

Dropout Voltage

250

mV

Line Regulation

Ω load

0.1

%/V

Load Regulation

1

%

Feedback Set Voltage (Adjustable

Output)

1.212

1.25

1.288

V

Input Supply Current

No load

12

18

µA

Input Supply Current in Dropout

No load

45

60

µA

Input Shutdown Current

SHDNN = GND

0.8

3

µA

Input Undervoltage Lockout

Threshold

3.6

4.0

4.4

V

3.5

3.9

4.3

OUT Bias Current

2

3.5

5

µA

FB Bias Current

-25

+25

nA

FB Threshold Low

50

100

150

mV

Thermal Shutdown

10ºC hysteresis

145

ºC

DC-DC Switches

LX Switch Minimum Off-Time

0.2

0.4

0.6

µs

LX Switch Maximum On-Time

8

10

12

µs

LX Switch On-Resistance

0.4

Ω

0.5

LX Current Limit

ILIMIT = GND, L = 39µH

500

700

900

mA

ILIMIT = IN, L = 10µH

1000

1400

1800

LX Zero-Crossing Threshold

-75

+75

mV

Zero-Crossing Timeout

LX does not rise above the threshold

30

µs

LX Switch Leakage Current

0.1

µA

1

Control Inputs

Digital Input Level

SHDNN, ILIMIT = GND

0.8

V

SHDNN, ILIMIT = IN

2.4

Digital Input Leakage Current

-100

+100

nA

Power-OK

Power-OK Threshold

90

92.5

95

%

POK Output Voltage Low

0.4

V

POK Output Leakage Current

0.1

µA

1