NCP3337MN250R2G datasheet(7/16 Pages) ONSEMI

Part #	NCP3337MN250R2G

Description	Ultra High Accuracy, Low Iq, 500 mA with Power Good Low Dropout Regulator

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NCP3337

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ELECTRICAL CHARACTERISTICS − 3.3 V (Vout = 3.3 V typical, Vin = 3.7 V, TA = −40°C to +85°C, unless otherwise noted,

Note 8)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (Accuracy) Vin

Vin = 3.7 V to 7.3 V, Iload = 0.1 mA to 500 mA, TA = 25°C

Vout

−0.90%

3.27

3.3

0.90%

3.33

V

Output Voltage (Accuracy)

Vin = 3.7 V to 7.3 V, Iload = 0.1 mA to 500 mA, TA = 0°C to +85°C

Vout

−1.40%

3.254

3.3

1.40%

3.346

V

Output Voltage (Accuracy)

Vin = 3.7 V to 7.3 V, Iload = 0.1 mA to 500 mA, TA = −40°C to +125°C

Vout

−1.50%

3.325

3.3

1.50%

3.35

V

Line Regulation

Vin = 3.7 V to 12 V, Iload = 0.1 mA

LineReg

0.04

mV/V

Load Regulation

Vin = 3.7 V, Iload = 0.1 mA to 500 mA

LoadReg

0.04

mV/mA

Dropout Voltage

Iload = 500 mA

Iload = 300 mA

Iload = 50 mA

Iload = 0.1 mA

VDO

340

230

110

10

mV

Peak Output Current (See Figure 14)

Ipk

500

700

800

mA

Short Output Current (See Figure 14) Vin < 7 V, TA = 25°C

Isc

900

mA

Thermal Shutdown / Hysteresis

TJ

160/10

°C

Ground Current

In Regulation

Iload = 500 mA (Note 8)

Iload = 300 mA

Iload = 50 mA

Iload = 0.1 mA

In Dropout

Vin = 3.7 V, Iload = 0.1 mA

In Shutdown

VSD = 0 V

IGND

IGNDsh

9

4.6

0.8

−

14

7.5

2.5

220

500

1

mA

Output Noise

Cnr = 0 nF, Iload = 500 mA, f = 10 Hz to 100 kHz, Cout = 10 mF

Cnr = 10 nF, Iload = 500 mA, f = 10 Hz to 100 kHz, Cout = 10 mF

Vnoise

69

46

mVrms

Power Good Voltage

Low Threshold

Hysteresis

High Threshold

Velft

93

95

2

97

99

% of

Vout

Power Good Pin Voltage Saturation (Ief = 1.0 mA)

Vefdo

200

mV

Power Good Pin Leakage

Iefleak

1

mA

Power Good Blanking Time (Note 9)

tef

50

ms

Shutdown

Threshold Voltage ON

Threshold Voltage OFF

VSD

2

0.4

V

SD Input Current, VSD = 0 V to 0.4 V or VSD = 2.0 V to Vin

ISD

0.07

1

mA

Output Current In Shutdown Mode, Vout = 0 V

IOSD

0.07

1

mA

Reverse Bias Protection, Current Flowing from the Output Pin to GND

(Vin = 0 V, Vout_forced = 3.3 V)

IOUTR

10

mA

8. Performance guaranteed over the operating temperature range by design 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.

9. Can be disabled per customer request.

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