If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

PV

−0.2V to +6.0V

PGND to SGND

−0.2V to +0.2V

EN, FB, V

(SGND −0.2V)

to (V

w/6.0V max

SW

(PGND −0.2V)

to (PV

w/6.0V max

PV

IN

−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

Input Voltage Range

2.7V to 5.5V

Recommended Load Current

0mA to 650mA

Junction Temperature (T

−30˚C to +125˚C

Ambient Temperature (T

(Note 4)

−30˚C to +85˚C

Thermal Properties

Junction-to-Ambient Thermal

100˚C/W

Resistance (

θ

(Note 5)

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

≤ T

≤ +85˚C). Unless otherwise noted, all

specifications apply to LM3207 with: PV

Symbol

Parameter

Conditions

Min

Typ

Max

Units

LDO

V

LDO

LDO Output Voltage

Iout=0mA

2.875

2.95

V

V

LDO,MIN

Minimum LDO Output Voltage Iout = 10mA, PV

2.80

V

I

SC

Short circuit current(DC)

V

50

mA

I

PUT

Pull-up current (transient)

V

(Note 12)

150

mA

I

PD

DC Pull-down current (DC)

V

-50

mA

I

PDT

Pull-down current (transient)

V

(Note 12)

-200

mA

I

Q_LDO + PWM

DC Bias current into PV

IN

V

EN

LDO

= EN = 3.6V (Note 9)

1.2

1.6

mA

I

PIN,ENLDO

LDO Pin pull down current

5

10

uA

Switcher

V

FB, MIN

Feedback Voltage at

minimum setting

V

0.75

0.8

0.85

V

V

FB, MAX

Feedback Voltage at

maximum setting

V

3.537

3.6

3.683

V

I

SHDN

Shutdown supply current

EN = EN

(Note 8)

0.01

2

µA

I

Q_PWM

DC bias current into PV

IN

V

EN = 3.6V, No Switching (Note 9)

1.1

1.6

mA

R

DSON(P)

Pin-pin resistance for PFET

I

140

200

m

Ω

230

R

DSON(N)

Pin-pin resistance for NFET

I

300

415

m

Ω

485

I

LIM,PFET

Switch peak current limit

(Note 10)

935

1100

1200

mA

F

OSC

Internal oscillator frequency

1.7

2

2.3

MHz

V

IH,EN

Logic high input threshold

(PWM, LDO)

1.2

V

V

IL,EN

Logic low input threshold

(PWM, LDO)

0.5

V

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