YB1506 datasheet(3/10 Pages) YOBON

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YB1506

Step-up DC-DC Converter , White LED Driver

YB1506 MRev1.1

WWW.YOBON.COM.TW

Symbol

Function Parameter

Test

Conditions

Min

Typ

Max

Units

VIN

Input Voltage Range

2.2

6.5

Not Switching

FB = 0.5V

(Quiescent

Current)

Shutdown

SHDN =0V

0.1

VFB

Feedback Voltage

0.38

0.4

0.42

ICL

Switch Current Limit

350

450

550

FB Pin Bias Current

FB=2V

120

ILKG

SW Leakage Current

VSW=20V

0.05

0.1

TOFF

Switch Off Time

350

400

TON

Switch On Time

RDS(ON)

Switch RDS(ON)

0.7

1.6

Ω

ISD

SHDN

PIN Current

SHDN

=GND

or Vin

UVP

Input Under-Voltage

Protection

ON-OFF

Threshold

1.6

2.0

OVP

Output Over-voltage

Protection

22.5

23.5

24.5

SHDN

Low

0.6

SHDN

Threshold

SHDN

High

0.9

θJA

Thermal Resistance

220

℃

Absolute Maximum Retings

Vin

SW voltage

28V

Vin

SHDN

Vin+0.3V

Maximum Junction Temp,Tj

(note 2)

150 °C

Lead Temperature (Soldering 10

sec)

300 °C

Thermal Resistance

195 °C

Absolute Maximum Retings

Operating

Temperature

(note 3)

-40℃~ +85°C

Supply Voltage

2.2V~6.5V

Maximum SW Voltage

22V

Electricity Characteristics

Table 3 : (TA=25°C , Vin=3V unless otherwise noted)

Note：

Absolute maximum ratings are limits beyond which damage to the device may occur.

The maximum allowable power dissipation is a function of maximum function temperature , TJ(max), the junction to ambient

thermal resistance, θJA , and the ambient temperature. The maximum allowable power dissipation at any ambient

temperature is calculated using: PD(MAX)= [TJ(max)-TA]/θJA . Exceeding the maximum allowable power dissipation will cause

excessive die temperature.

All limits at temperature extremes are guaranteed via correlation using standard statistical methods

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