Pam2303, Electrical characteristics – Diodes PAM2303 User Manual

Page 4

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PAM2303

Document number: DSxxxxx Rev. 1 - 2

4 of 14

www.diodes.com

November 2012

© Diodes Incorporated

PAM2303

A Product Line of

Diodes Incorporated


Electrical Characteristics

(@T

A

= +25°C, V

IN

= 3.6V, V

O

= 1.8V, C

IN

= 33µF, C

O

= 22µF, L = 2.2µH unless otherwise specified.)

Parameter Symbol Test

Conditions Min

Typ

Max

Units

Input Voltage Range

V

IN

2.7 5.5

V

Output Voltage Range

V

O

0.6 V

IN

V

UVLO Threshold

V

UVLO

V

IN

Rising

2.4

2.5

V

Hysteresis

240

mV

V

IN

Falling

1.8 V

Regulated Output Voltage Accuracy

V

O

I

O

= 0 to 3A

-3 +3

%

Regulated Feedback Voltage

V

FB

0.591

0.600

0.609

V

FB Leakage Current

I

FB

V

O

= 1V

-50 +50

nA

Output Voltage Line Regulation

LNR

V

IN

= 2.5V to 5V

0.2

%/V

Output Voltage Load Regulation

LDR

I

O

= 0A to 3A

0.5

%/A

Quiescent Current

I

Q

No load

42

90

µA

Shutdown Current

I

SD

V

EN

= 0V

1

µA

Current Limit

I

LIM

4

A

Oscillator Frequency

f

OSC

1.2 1.5 1.8

MHz

Drain-Source On-State Resistance

R

DS(ON)

High Side

85

mΩ

Low Side

60

High Efficiency

η

95 %

PSM Threshold

I

TH

V

IN

= 3.3V, V

O

= 1.2V, L = 1µH

450

mA

Analog Soft Start Time

t

S

From enable to output regulation

0.5

ms

EN Threshold High

V

EH

1.5 V

EN Threshold Low

V

EL

0.3

V

EN Leakage Current

I

EN

V

IN

= V

EN

= 0V

-1.0 +1.0

µA

Over Temperature Protection

OTP

150 °C

OTP

Hysteresis

OTH

30

°C
































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