NCP5212A datasheet(9/19 Pages) ONSEMI

Part #	NCP5212A

Description	Single Synchronous Step-Down Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP5212A

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9

ELECTRICAL CHARACTERISTICS (VIN = 12 V, VCC = VCCP = 5 V, TA =−40°C to 85°C, unless other noted)

Characteristics

Unit

Max

Typ

Min

Test Conditions

Symbol

TRE SETTING

TRE Threshold Detection Current

I_TRESET

Sourced from DL in the short period

before soft−start. (Rtre = 47 kW is

connected from DL to GND

7.2

8

8.8

mA

Detection Voltage for TRE Threshold

Selection

VDL_TRE_1

(Default)

Internal TRE_TH

is set to 300 mV

Rtre w 75 kW

(Note 2)

500

600

700

mV

VDL_TRE_2

Internal TRE_TH

is set to 500 mV

Rtre = 44 − 50 kW

(Note 2)

300

450

VDL_TRE_3

TRE is Disabled

Rtre v 25 kW

(Note 2)

0

250

TRE Comparator Offset

TRE_OS

(Note 2)

10

mV

Propagation Delay of TRE

Comparator

TD_PWM

(Note 2)

20

ns

THERMAL SHUTDOWN

Thermal Shutdown

Tsd

(Note 2)

150

°C

Thermal Shutdown Hysteresis

Tsdhys

(Note 2)

25

°C

2. Guaranteed by design, not tested in production.

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