ISL78302AARJCZ datasheet(4/12 Pages) RENESAS

Part #	ISL78302AARJCZ

Description	Dual LDO with Low Noise, Very High PSRR and Low IQ

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Manufacturer	RENESAS [Renesas Technology Corp]

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4 / 12 page

ISL78302A

FN7932 Rev 2.00

Page 4 of 12

December 22, 2015

Absolute Maximum Ratings

Thermal Information

Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7.1V

VO1, VO2 Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +3.6V

All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (VIN + 0.3)V

ESD Ratings

Human Body Model (Tested per JESD22-A114E) . . . . . . . . . . . . . . . . 3000V

Machine Model (Tested per JESD-A115-A) . . . . . . . . . . . . . . . . . . . . . . 200V

Charge Device Model (Tested per AEC-Q100-011) . . . . . . . . . . . . . . 1500V

Thermal Resistance

JA (°C/W) JC (°C/W)

10 Ld 3x3 DFN Package (Notes 4, 5). . . . .

59

18.5

Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C

Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C

Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493

Recommended Operating Conditions

Ambient Temperature Range (TA) . . . . . . . . . . . . . . . . . . .-40°C to +105°C

Operating Temperature Range . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C

Supply Voltage (VIN). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3V to 6.5V

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product

reliability and result in failures not covered by warranty.

NOTES:

4.

JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech

Brief TB379.

5. For

JC, the “case temp” location is the center of the exposed metal pad on the package underside.

Electrical Specifications Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature

range of the device as follows: TA = -40°C to 105°C; VIN = (VO + 0.5V) to 6.5V with a minimum VIN of 2.3V; CIN = 1µF; CO = 1µF; CBYP = 0.01µF;

CPOR =0.01µF. Boldface limits apply over the operating temperature range, -40°C to +105°C.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 6)TYP

MAX

(Note 6)UNITS

DC CHARACTERISTICS

Supply Voltage

VIN

2.3

6.5

V

Ground Current

Quiescent condition: IO1 = 0µA; IO2 = 0µA

IDD1

One LDO active

30

36

µA

IDD2

Both LDO active

47

55

µA

Shutdown Current

IDDS

0.3

2.1

µA

UVLO Threshold

VUV+

1.9

2.1

2.3

V

VUV-

1.6

1.8

2.0

V

Regulation Voltage Accuracy

VIN = VO + 0.5V to 5.5V, IO = 10µA to 300mA, TJ = +25°C

-0.8

+0.8

%

VIN = VO + 0.5V to 5.5V, IO = 10µA to 300mA, TJ = -40°C to +125°C

-1.8

+1.8

%

Maximum Output Current

IMAX

Continuous

300

mA

Internal Current Limit

ILIM

320

475

650

mA

Dropout Voltage (Note 7)VDO1

IO = 300mA; VO  2.5V

450

mV

IO = 150mA; VO  2.5V

225

250

VDO2

IO = 300mA; 2.5V  VO  2.8V

250

mV

IO = 150mA; 2.5V  VO  2.8V

125

160

mV

VDO3

IO = 300mA; VO > 2.8V

230

mV

IO = 150mA; VO > 2.8V

115

145

mV

Thermal Shutdown Temperature

TSD+

145

°C

TSD-

110

°C

AC CHARACTERISTICS

Ripple Rejection

IO = 10mA, VIN = 2.8V(min), VO = 1.8V, CBYP = 0.1µF

@ 1kHz

90

dB

@ 10kHz

70

dB

@ 100kHz

50

dB

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