NCP5230MNTWG datasheet(6/12 Pages) ONSEMI

Part #	NCP5230MNTWG

Description	Precise Low Voltage Synchronous Buck

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NCP5230

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ELECTRICAL CHARACTERISTICS Unless otherwise stated: 0°C < TA < 85°C; 4.5 V < VCC < 13.2 V; CVCC = 0.1 mF

Parameter

Unit

Max

Typ

Min

Test Conditions

HIGH SIDE DRIVER UG

RH_TG Output Resistance, Sourcing

VBOOT − VLX = 12 V, Cload = 3 nF

2.5

5

W

RH_TG Output Resistance, Sinking

VBOOT − VLX = 12V

2.0

2.5

W

TrDRVH Transition Time

CLOAD = 2 nF

16

ns

TfDRVH Transition Time

CLOAD = 2 nF

11

TpdhDRVH Propagation Delay (Notes 1, 2)

Driving High, CLOAD = 3 nF,

VCC = 12 V, VCCP =12 V

15

30

ns

UG Internal Resistor to LX

Unbiased, BOOT − LX = 0

45

kW

LOW SIDE DRIVER LG

RH_BG Output Resistance, Sourcing

VLX = GND, Cload = 3 nF

2.0

3.0

W

RL_BG Output Resistance, Sinking

VLX = VCC

1.0

1.5

W

TrDRVL Transition Time

CLOAD = 3 nF

16

ns

TfDRVL Transition Time

CLOAD = 3 nF

11

TpdhDRVL Propagation Delay (Notes 1, 2)

Driving High, CLOAD = 3 nF, VCCP = 12 V, VCCP

= 12 V

10

20

35

ns

LX Internal Resistor to GND

45

kW

THERMAL SHUTDOWN

Tsd Thermal Shutdown (Note 1)

150

180

°C

Tsdhys Thermal Shutdown Hysteresis

(Note 1)

50

°C

1. Guaranteed by design.

2. For propagation delays, ”tpdh” refers to the specified signal going high ”tpdl” refers to it going low. Reference Gate Timing Diagram.

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