If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

V

−0.2V to +6.0V

PGND to SGND

−0.2V to +0.2V

EN, FB, BYP, V

CON

(SGND −0.2V)

to (V

w/6.0V max

SW, BYPOUT

(PGND −0.2V)

to (PV

w/6.0V max

PV

−0.2V to +0.2V

Continuous Power Dissipation

(Note 3)

Internally Limited

Junction Temperature (T

+150˚C

Storage Temperature Range

−65˚C to +150˚C

Maximum Lead Temperature

(Soldering, 10 sec.)

+260˚C

ESD Rating (Note 4)

Human Body Model

Machine Model

2.0kV

200V

Input Voltage Range

2.7V to 5.5V

Recommended Load Current

PWM Mode

0mA to 300mA

Bypass Mode

0mA to 500mA

Junction Temperature (T

−30˚C to +125˚C

Ambient Temperature (T

(Note 5)

−30˚C to +85˚C

Thermal Properties

Junction-to-Ambient Thermal

100˚C/W

Resistance (

θ

face type apply over the full operating ambient temperature range (−30˚C

≤ T

≤ +85˚C). Unless otherwise noted, speci-

fications apply to the LM3204 with: PV

Symbol

Parameter

Conditions

Min

Typ

Max

Units

V

IN

Input Voltage Range

(Note 8)

PV

2.7

5.5

V

V

FB, MIN

Feedback Voltage at

Minimum Setting

V

0.75

0.800

0.85

V

V

FB, MAX

Feedback Voltage at

Maximum Setting

V

3.528

3.600

3.672

V

OVP

Over-Voltage

Protection Threshold

(Note 9)

330

400

mV

V

BYPASS−

Auto Bypass Detection

Negative Threshold

(Note 10)

160

250

320

mV

V

BYPASS+

Auto Bypass Detection

Positive Threshold

(Note 10)

350

450

540

mV

I

SHDN

Shutdown Supply

Current (Note 11)

EN = SW = BYPOUT = V

0.1

3

µA

I

Q_PWM

DC Bias Current into

V

DD

V

No-Load

720

800

µA

I

Q_BYP

BYP = 3.6V, V

720

800

µA

R

DSON (P)

Pin-Pin Resistance for

PFET

I

320

450

m

Ω

R

DSON (N)

Pin-Pin Resistance for

N-FET

I

310

450

m

Ω

R

DSON

(BYP)

Pin-Pin Resistance for

Bypass FET

I

85

120

m

Ω

I

LIM-PFET

Switch Current Limit

(Note 12)

700

820

940

mA

I

LIM-BYP

Bypass FET Current

Limit

(Note 13)

800

1000

1200

mA

F

OSC

Internal Oscillator

Frequency

1.7

2

2.2

MHz

V

IH

Logic High Input

Threshold for EN, BYP

1.20

V

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