NCP590MNOATAG datasheet(5/11 Pages) ONSEMI

Part #	NCP590MNOATAG

Description	Dual Output, High Accuracy Ultra Low Dropout

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NCP590

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5

ELECTRICAL CHARACTERISTICS -40

°C v TA v 85°C (Note 5); VIN = VOUT +0.5 V or 2.1 V, whichever is greater (Note 6).

VEN1,2 = 0.95 V, CIN = COUT1,2 = 1.0 mF, unless noted otherwise

Parameter

Unit

Max

Typ

Min

Test Conditions

Symbol

Regulators

Ground Current;

IGND = IIN – IOUT

IGND

VEN1 = 0.95 V, IOUT1 = 200 mA;

VEN2 = 0.4 V, IOUT2 = 0 mA

OR

VEN2 = 0.95 V, IOUT2 = 200 mA;

VEN1 = 0.4 V, IOUT1 = 0 mA

One Regulator ON; One Regulator OFF

-

105

150

mA

Ground Current;

IGND = IIN – IOUT

IGND

IOUT1 = IOUT2 = 200 mA

Both Regulators ON

-

175

250

mA

Disable Current;

IDIS = IIN – IOUT

IDIS

IOUT1,2 = 0 mA, VEN1,2 = 0.4 V

Both Regulators OFF

0

(Note

14)

1

mA

ILoad

Load Current (Note 10)

IOUT

0

-

mA

Maximum Output Current

IOUT

300

-

mA

Current Limit, per Regulator (Note 9)

ISC

VOUT = 0 V

-

750

-

mA

Output Noise Voltage (Note 9)

en

BW = 10 Hz to 100 kHz

VOUT = 0.8 V

VOUT = 2.8 V

-

20

30

-

mVRMS

Thermal Shutdown (Note 9)

TjSD

Junction Temperature

-

155

-

_C

Hysteresis

-

15

-

Input under voltage lock out

UVLO

-

1.9

2.1

V

UVLO hysteresis

UVLOhys

-

0.1

-

V

Power Supply Rejection Ratio

(Note 9)

PSRR

IOUT = 200 mA

120 Hz 0.8 V output

120 Hz 1.8 V output

120 Hz 2.8 V output

-

60

55

50

-

dB

Power Supply Rejection Ratio

(Note 9)

PSRR

IOUT = 200 mA

1 KHz 2.8 V output

-

40

-

dB

Enable Control Characteristics

Maximum Input Current at EN Input

IEN

VEN = 0.0 V

-

0.01

-

mA

VEN = VIN

-

0.01

-

Low Input Threshold

VIL

-

0.4

V

High Input Threshold

VIH

0.95

-

V

Timing Characteristics

Turn On Time Delay, Both outputs

turned on with ENABLE

TON

To 95%

DVO

VIN(MIN) to 5.5 V

-

375

700

ms

Turn Off Time Delay, Both outputs

turned off with ENABLE (Note 9)

TOFF

VIN = 5.5 V

VOUT = 5 V, to VOUT = 250 mV

VOUT = 0.8 V, to VOUT = 40 mV

-

215

155

-

ms

Recommended Output Capacitor Specifications

Output Capacitance (Note 9)

COUT

Capacitance over full temperature

range of application. Any ESR

0.7

1.0

4.7

mF

5. Performance guaranteed over specified operating range by design, guard banded test limits, and/or characterization. Production tested at

TJ = TA = 25°C. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.

6. VOUT based on the greater of the two outputs.

7. Overall accuracy specified over specified operating conditions of line, load, and temperature.

8. Drop out voltage VDO = VIN – VOUT measured when the output voltage has dropped 100 mV from the nominal value for VOUT > 2.0 V.

9. Guaranteed by design, not production tested.

10. Regulated and stable output over full load range down to 0 mA load.

11. VIN is set at VIN = ((VOUT + 0.5 V) + 5.5 V) / 2 or VIN = ((2.1 V) + 5.5 V) / 2, whichever is greater.

12. Applicable for VOUT u 1.2 V.

13. For all output voltages and -40

°C to 85°C overall voltage accuracy is 2.9%.

14. Typical disable current is in the nA.

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