AS1352 查看數據表（PDF） - austriamicrosystems AG

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AS1352

Programmable Quad LDO

austriamicrosystems AG 

AS1352

Data Sheet - Electrical Characteristics

6 Electrical Characteristics

VDD = 4V; TAMB = -40 to +85ºC. Typ values are @ TAMB = 25ºC, CLOAD = 1µF (Ceramic); (unless otherwise specified).

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ Max Unit

VDD

Supply Voltage Range

3

5.5

V

VOUT

Output Voltage Range

1.8

3.3

V

RON

On Resistance

1

Ω

PSRR 1

Power Supply

Rejection Ratio

f = 1kHz, CREF = 100nF

70

f = 100kHz, CREF = 100nF

40

dB

IOFF

Shut Down Current

ENx = Low

1

µA

IVDD

Supply Current

Without Load

225 350

µA

tset 1

Output Voltage

Settling Time

ILOAD Switched from 0 to 100mA

50

µs

tstart 1

Start-up Time 2

CREF = 100nF Pre-charged

CREF = 0nF Uncharged

CREF = 100nF Uncharged

300

µs

300

µs

15

ms

VOUT Output Voltage Tolerance

ILOAD = 0 to 200mA

-2

2

%

VDD = 5.5V

-1

VLINEREG Line Regulation, Static

VDD = 3 to 4.5V

-2

1

%

2

mV 1

VLOADREG Load Regulation, Static

ILOAD = 0 to 50 mA

ILOAD = 0 to 200 mA

(referenced to 100mA)

0.3

2.5

mV 1

0.6

5

mV 1

VIH

Enable Input Voltage High

0.6 x VDD

V

VIL

Enable Input Voltage Low

0.8

V

ILOAD

Output Current

0

200

mA

ILIMIT

Output Current Limitation

400

mA

VNoise

Output Noise Voltage

10 to 100kHz, CREF = 100nF

40

µVRMS

Thermal Protection

145

ºC

Notes:

1. Guaranteed by design and verified by lab evaluation.

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

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