PAM2841 datasheet(4/15 Pages) DIODES

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PAM2841

Document number: DS36411 Rev. 2 - 2

4 of 15

www.diodes.com

October 2017

PAM2841

Electrical Characteristics (@TA = +25°C, VEN = VDD = 5.0V, 10 LEDs, unless otherwise specified.)

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VDD

Supply Voltage Range

—

2.7

—

5.5

Quiescent Current

No Switching

—

200

300

µA

ISD

Shutdown Current

VENA = Low

—

µA

Output Current

R3 = η.1Ω

—

R3 = θ.8Ω

—

R3 = 10Ω

—

R3 = 20Ω

—

Output Voltage Range

—

VIN x 1.1

—

VFB

Feedback Voltage

VENA = High

194

200

206

RDS(ON)

SW On-Resistance

ISW = 100mA

—

0.35

0.5

Ω

ILIM

SW Current Limit

Switch On

—

1.5

—

fSW

SW Frequency

—

0.7

1.0

1.3

MHz

Maximum Duty Cycle

—

OVP

Over Voltage Protection

Threshold

Open Load

—

1.2

—

VEL

Enable Threshold Voltage

Chip Shutdown

—

0.4

VEH

Chip On

1.2

—

UVLO

Under Voltage Lockout

VIN Falling

2.0

2.2

2.4

VTH

UVLO Hysterisis

—

0.2

—

OTS

Over Temperature Shutdown

—

+150

—

°C

OTH

Over Temperature Hysterisis

—

+30

—

°C

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