Electrical Characteristic

T =25

, V =3.3V, Vout=1.2V,C =10µF, C =10µF, L=1.0µH, unless otherwise noted.

A

IN

IN

O

°C

4

,

Power Analog Microelectronics Inc

www.poweranalog.com

PARAMETER

SYMBOL

Test Conditions

MIN

T YP

MAX

UNIT S

Input Voltage Range

2.7

3.3

5.5

V

2.6

2.7

V

Hysteresis

250

mV

UVLO Threshold

2

V

Output Voltage Range

Vout

1

1.2

3.3

V

Output Voltage Accuary

Vout

Io=0 to 2A

-3.0

+3.0

%

Regulated F eedback Voltage

No Load

0.591

0.60

0.609

V

PMOS Current Limit

3.0

A

Output Voltage Line Regulation

LNR

V

0.3

%/V

Output Voltage Load Regulation

LDR

I

-2

2

%

Quiescent Current

I

Q

No load

55

90

µA

Shutdown Current

I

SD

V

1

µA

Oscillator Frequency

f

OSC

2.5

MHz

P MOSF ET

105

m

Ω

Drain-Source On-State Res istance

R

DS(O N)

I

N MOSFET

70

m

Ω

SW Leakage Current

1

µA

Start-up T ime

Ts

250

us

PSM T hreshold

Vin=3.3V,Vo=1.2V

250

450

mA

EN Threshold High

V

EH

1.4

V

EN Threshold Low

V

EL

0.4

V

EN Leakage Current

±0.01

µA

Over T emperature Protection

OTP

150

°C

OTH

30

°C

12/2011 Rev1.1

PAM2316

2.5MHz,Fast Transient 2A Step-Down Converter