NCP5383MNR2G datasheet(7/15 Pages) ONSEMI

Part #	NCP5383MNR2G

Description	2 Phase Buck Controller with Integrated Gate Drivers and AVP

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP5383

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ELECTRICAL CHARACTERISTICS

(Unless otherwise stated: 0

°C < TA < 70°C; 0°C < TJ < 125°C; 4.5 V < VCC < 13.2 V; Fsw = 400 KHz)

Parameter

Units

Max

Typ

Min

Test Conditions

Oscillator

Switching Frequency Range

100

400

KHz

Switching Frequency Accuracy

ROSC = 100 K

W

90

100

110

KHz

Switching Frequency Accuracy

ROSC = 49.9 K

W

180

200

220

KHz

Switching Frequency Accuracy

ROSC = 24.9 K

W

360

400

440

KHz

ROSC Output Voltage

1.92

2.00

2.08

V

Modulators (PWM Comparators)

Minimum Pulse Width (Note 1)

Fs = 400 KHz

30

40

ns

Propagation Delay

20

ns

Magnitude of the PWM Ramp

1.0

V

0% Duty Cycle

COMP voltage when the PWM outputs

remain LO

1.3

V

100% Duty Cycle

COMP voltage when the PWM outputs

remain HI

2.3

V

PWM Comparator Offset Mismatch

40

Mv

Phase Angle Error

-15

15

deg

PWM Linear Duty Cycle

90

%

Gate Drivers

Upper Gate Source

Vbst - Vswn = 5 V,

VTG – VSWN = 4 V

1.8

W

Upper Gate Sink

Vbst - Vswn = 5 V,

VTG – VSWN = 1 V

1.8

W

Lower Gate Source

VCCP = 5 V, Vgs = 4 V

1.8

W

Lower Gate Sink

VCCP = 5 V, Vgs = 1 V

0.9

W

Upper gate transition times

Cload = 3 nF

16

ns

Cload = 3 nF

16

ns

Lower gate transition times

Cload = 3 nF

16

ns

Cload = 3 nF

7.0

ns

SWN falling to BG rising delay

Cload = 3 nF

18

ns

BG falling to TG rising delay

Cload = 3 nF

40

ns

Soft-Start

Soft-Start Pin Source Current

5.0

mA

Soft-Start Pin Discharge Voltage

Fault = 1

50

mV

Soft-Start Pin Discharge Time

From EN = 0 to VSS pin < max discharge

voltage, CSS = 0.01 mF

5.0

ms

Enable Input

Enable High Input Leakage Current

EN = 3.0 V

10

mA

Upper Threshold

VUPPER

0.80

0.85

0.90

V

Total Hysteresis

VUPPER – VLOWER

50

100

150

mV

Thermal Shutdown

Thermal Trip Point

TSD

160

C

1. Guaranteed by design, not tested in production.

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NCP5383MNR2G Datasheet(PDF) 7 Page - ON Semiconductor

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