RT9368 datasheet(4/10 Pages) RICHTEK

4 / 10 page

RT9368

DS9368-07 April 2011

www.richtek.com

Electrical Characteristics

(VIN = 3.6V, CIN = COUT = CFLY = 1uF (ESR = 30m

Ω), TA = 25°C, unless otherwise specification)

To be continued

Absolute Maximum Ratings

(Note 1)

Supply Input Voltage ------------------------------------------------------------------------------------------------------

−0.3V to 6V

Other I/O Pin Voltage -----------------------------------------------------------------------------------------------------

−0.3V to 6V

Power Dissipation, PD @ TA = 25

°C

WQFN-16L 3x3 ------------------------------------------------------------------------------------------------------------ 1.47W

Package Thermal Resistance (Note 2)

WQFN-16L 3x3,

θJA ------------------------------------------------------------------------------------------------------- 68°C/W

Junction Temperature ----------------------------------------------------------------------------------------------------- 150

°C

Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260

°C

Storage Temperature Range --------------------------------------------------------------------------------------------

−40°C to 150°C

ESD Susceptibility (Note 3)

HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV

MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V

Recommended Operating Conditions

(Note 4)

Junction Temperature Range --------------------------------------------------------------------------------------------

−40°C to 125°C

Ambient Temperature Range --------------------------------------------------------------------------------------------

−40°C to 85°C

Parameter

Symbol

Test Condition

Min

Typ

Max

Units

Input

Input Supply Voltage

VIN

2.8

5.0

Under-voltage Lockout

Threshold

VIN Rising

1.6

2.1

2.5

Under-voltage Lockout

Hysteresis

100

Quiescent of x1 Mode

IQ_x1

x1 Mode, No Load, All LED pins

connected to GND, VIN = 4V

0.5

Quiescent of x2 Mode

IQ_x2

x2 Mode, No Load, All LED pins floating,

VIN = 3.5V

1.5

2.5

Shutdown Current

ISHDN

VEN = 0.4V, VIN = 2.8V to 5.5V

0.1

μA

x1 mode to x1.5 mode

Transition Voltage (VIN falling)

VTS_x1.5 VF = 3.5V, IOUT = 80mA, ILEDx = 20mA

3.7

x1.5 mode to x2 mode

Transition Voltage (VIN falling)

VTS_x2

VF = 3.5V, IOUT = 80mA, ILEDx = 20mA

3.0

Hysteresis of Mode Transition

100

Output

Current Range of ILEDx

2.8 < VIN < 5.5@VF = 3.2, IOUT = 60mA

3.0 < VIN < 5.5@VF = 3.4, IOUT = 80mA

3.3 < VIN < 5.5@VF = 3.8, IOUT = 80mA

1.25

ILEDx Accuracy

ILED-ERR 100% Setting

−8

Current Matching

−5

RT9368 Datasheet(PDF) 4 Page - Richtek Technology Corporation

RT9368 Datasheet(HTML) 4 Page - Richtek Technology Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10

Datasheet Download

Link URL