RT9079

3

DS9079-03 March 2019

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Copyright 2019 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Supply Voltage

VCC

3.5

--

36

V

Output Voltage Range

VOUT

2.5

--

12

V

DC Output Accuracy

VOUT

ILOAD = 10mA

2

--

2

%

Dropout Voltage

VDROP

ILOAD = 10mA, VCC > 5V

--



0.2

0.36

V

VCC Consumption Current

IQ

ILOAD = 0mA, VCC = 15V

--

50

100

A

Shutdown Current

VEN = 0V

--

0.1

0.5

A

Shutdown Leakage Current

VEN = 0V, VOUT = 0V

--

0.1

0.5

A

EN Input Current

IEN

VEN = 36V

--

0.1

--

A

Line Regulation

VLINE

ILOAD = 1mA,

VOUT +1 < VCC < 36V, VOUT  3.3V

--

0.04

0.5

%

ILOAD = 1mA,

VOUT +1 < VCC < 36V, VOUT  3.3V

--

0.04

0.6

Load Regulation

VLOAD

0mA < ILOAD < 100mA

1

--

1

%

Output Current Limit

ILIM

VOUT = 0.5 x VOUT(normal)

200

350

--

mA

Enable Input

Voltage

Logic-High

VIH

--

--

2

V

Logic-Low

VIL

0.6

--

--

Thermal Shutdown Temperature TSD

ILOAD = 30mA

--

150

--

°C

Thermal Shutdown Hysteresis

TSD

--

20

--

°C

Absolute Maximum Ratings

(Note 1)



VCC, EN to GND ------------------------------------------------------------------------------------------------------------

−0.3V to 40V



VOUT to VCC ---------------------------------------------------------------------------------------------------------------

−40V to 0.3V



VOUT to GND

RT9079-60, RT9079-90/RT9079-C0 ------------------------------------------------------------------------------------

−0.3V to 15V

RT9079-25/RT9079-30/RT9079-33/RT9079-50 ----------------------------------------------------------------------

−0.3V to 6V



Power Dissipation, PD @ TA = 25

°C

TSOT-23-5 -------------------------------------------------------------------------------------------------------------------- 0.43W



Package Thermal Resistance (Note 2)

TSOT-23-5,

θJA -------------------------------------------------------------------------------------------------------------- 230.6°C/W



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

°C



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

°C



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

−60°C to 150°C



ESD Susceptibility (Note 3)

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

Recommended Operating Conditions

(Note 4)



Supply Input Voltage ------------------------------------------------------------------------------------------------------- 3.5V to 36V



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

−40°C to 125°C



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

−40°C to 85°C

(CIN = 1

μF, TA = 25°C, unless otherwise specified)