AS1355 datasheet(4/12 Pages) AMSCO

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AS1355

Datasheet - Electrical Character i s t ics

6 Electrical Characteristics

VDD = 4V, COUT = 1µF, typical values are for TAMB = 25°C (unless otherwise specified);

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

Unit

TAMB

Operating Temperature Range

-40

°C

VDD

Supply Voltage Range

2.3

5.5

VOUT

Output Voltage Range

1.25

3.6

RON

On Resistance

0.5

PSRR 1

1. Guaranteed by design and verified by lab evaluation.

Power Supply

Rejection Ratio

f = 1kHz, CREF = 100nF

f = 100kHz, CREF = 100nF

IOFF

Shut Down Current

ENx = Low, TAMB = +25°C

µA

IVDD

Supply Current

Without Load

160

240

µA

tset 1

Output Voltage

Settling Time

ILOAD Switched from 0 to 100mA

µs

tstart 1

Start-up Time 2

2. Startup is performed if any EN pin goes high.

CREF = 100nF Pre-charged

300

µs

CREF = 0nF Uncharged

200

µs

CREF = 100nF Uncharged

VOUT

Output Voltage Tolerance

ILOAD = 0mA, TAMB = 25°C

-1

ILOAD = 0mA

-2

VLINEREG

Line Regulation, Static

VOUT(NOM)+0.3V to 5.4V

-1

VLOADREG 1

Load Regulation, Static

ILOAD = 0 to 50 mA

0.5

2.5

ILOAD = 0 to 300 mA

VIH

Enable Input Voltage High

1.5

VIL

Enable Input Voltage Low

0.4

ILOAD

Output Current

300

ILIMIT

Output Current Limitation

450

VNoise

Output Noise Voltage

10Hz to 100kHz, CREF = 100nF

µVRMS

Thermal Protection

150

°C

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