AS1346 datasheet(4/16 Pages) AMSCO

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AS1346-49

Datasheet - Electrical Characteristics

6 Electrical Characteristics

PVIN = VDD = EN = 5V, unless otherwise noted. Typical values are at TA=25°C. All limits are guaranteed. The parameters with min and max

values are guaranteed with production tests or SQC (Statistical Quality Control) methods.

Table 4. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Operating Temperature Range

-40

+85

°C

Operating Junction Temperature Range

-40

+125

°C

VIN

Input Voltage Range

VIN

VOUT

2.7

5.5

VOUT

Output Voltage Range

(see Table 8 on page 15)

1.2

3.6

Quiescent Supply Current

2.8

IOUT1

Output current 1

AS1346, VOUT1 = 3.3V

1200

AS1347

500

AS1348

500

AS1349

1200

IOUT2

Output current 2

AS1346, VOUT2 = 1.8V

500

AS1347

500

AS1348

950

AS1349

1200

ISHDN

Shutdown Current

0.1

μA

Regulation

VOUT1

Output Voltage 1

AS1346, IOUT1 = 100mA

3.234

3.3

3.366

Accuracy

VOUT2

Output Voltage 2

AS1346, IOUT2 = 100mA

1.764

1.8

1.836

Accuracy

Line Transient Response

VIN = 4.5V to 5.5V, IOUT1 = 500mA,

VOUT1 = 3.3V, EN2 = 0V

mVpk

Load Transient Response

VIN = 5V, IOUT1 = 0 to 500mA, VOUT1

= 3.3V, EN2 = 0V

mVpk

fOSC

Oscillator frequency

1.8

2.2

MHz

tON

Turn on time

350

μs

DC-DC Switches

ISW1

SW1 Current Limit

AS1346

1.55

ISW2

SW2 Current Limit

AS1346

800

RDSON1(P)

Pin-Pin Resistance for PMOS1

VDD = 5.0V, ISW = 200mA

150



RDSON1(N)

Pin-Pin Resistance for NMOS1

VDD = 5.0V, ISW = 200mA

250



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