NCV8855 datasheet(5/24 Pages) ONSEMI

Part #	NCV8855

Description	Quad-Output Automotive System Power Supply IC with Integrated High-Side 2A Switch

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NCV8855

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ATTRIBUTES

Description

Symbol

Value

Unit

Thermal Characteristic

RqJA generated from 1 sq in / 1 oz copper 1 sided PCB

RqJA

36

°C/W

RqJC

3

°C/W

ESD Capability

Human Body Model (SN1, SN2)

Human Body Model (All Others)

Machine Model

1

2

150

kV

V

Moisture Sensitivity Level

MSL

1

RECOMMENDED OPERATING CONDITIONS

Description

Value

VBATT range (refer to Figure 1)

9 V to 18 V

Ambient Temperature range

−40°C to 105°C

Figure 2.

COMP1

LR_G1

COMP2

HOT_FLG

SN2

VIN_SW

LDO_EN

SYNC/ROSC

HS_EN

SYS_EN

Top View

SW_FB2

SW_FB1

HS_S

VIN

GH1

SN1

DRV_VPP

GL1

BST1

OCSET

1

ELECTRICAL CHARACTERISTICS (VIN_SW = VIN = VISNS1+ = VISNS1− = VISNS2+ = VISNS2− = 13.2 V, SYS_EN = LDO_EN =

HS_EN = 5 V, VOUT3 = 3.3 V, VOUT4 = 8.5 V, IOUT[1:4] = 0 A) Min/Max values are valid for the temperature range −40°C v TJ v

150°C unless noted otherwise. Min/Max values are guaranteed by test, design or statistical correlation.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

SUPPLY VOLTAGES AND SYSTEM SPECIFICATION

Supply Current and Operating Voltage Range

VIN_SW quiescent current

No Switching, VSW_FB2 = 1V, SN2 =

PGND1, TJ = 25°C

175

mA

VIN_SW shutdown current

SYS_EN = 0 V, TJ = 25°C

100

500

nA

High VIN detect voltage

VOVP

VIN rising

18

18.5

19

V

High VIN detect hysteresis

VIN falling

0.2

0.6

1

VIN quiescent current

TJ = 25°C

4

mA

VIN shutdown current

SYS_EN = 0 V, TJ = 25°C

100

500

nA

1. Guaranteed by design, not fully tested in production.

2. Indirectly guaranteed by test coverage of other parameters.

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