NCP370(2008) 데이터 시트보기 (PDF) - ON Semiconductor

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NCP370
(Rev.:2008)

Positive and Negative Overvoltage Protection with Internal Low RON N-MOSFETs and Reverse Charge Control Pin

ON Semiconductor 

NCP370

ELECTRICAL CHARACTERISTICS (Vin = 5 V, Minimum/Maximum limits at −40°C < TA < +85°C unless otherwise noted. Typical

values are at TA = +25°C)

Characteristics

Symbols

Conditions

Min Typ Max Unit

Input Voltage Range

Input Voltage

Output Voltage Range

Undervoltage Lockout Threshold

Vin

Vinmin

Vout

UVLO

Disable, Direct and Enhance Modes, Vout = 0 V −28

Disable, Direct and Enhance Modes, Vout = 4.25V −24

Reverse Mode

2.5

28

V

V

5.5

V

Vin falls below UVLO Threshold

(Disable, Direct and Enhance Modes)

2.6

2.7

2.8

V

Undervoltage Lockout Hysteresis

Over voltage Lockout Threshold

NCP370MUAITXG

UVLOhyst

OVLO

Vin rises above UVLO Threshold + UVLOhyst

Vin rises above OVLO threshold

(Disable and Direct Modes)

45

60

75 mV

6.3

6.6

6.9

V

Overvoltage Lockout Hysteresis

Over System Voltage Lockout

OVLOhyst

OVLO00

Vin falls below to OVLO − OVLOhyst

Vin rises above OVLO00 Threshold Enhanced

Mode @ 25°C

60

80 100 mV

7.9 8.27 8.6

V

Overvoltage Lockout Hysteresis

Vin to Vout Resistance

Vout to Vin Resistance

Input Standby Current

Input Supply Quiescent Current

Output Standby Current

Reverse Mode current

Minimum DC Current

Overcurrent Threshold

OVLO00hyst Vin falls below to OVLO00 − OVLO00hyst @ 25°C 80

100 145 mV

RDS(on)

Vin = 5 V, Direct Mode, Load Connected to Vout

Vin = 5 V, Direct Mode,

Load Connected to Vout @ 25°C

130 220 mW

130 200

RDS(on)

Vout = 5 V, Reverse Mode, Accessory

Connected to Vin

Vout = 5 V, Reverse Mode, Accessory

Connected to Vin @ 25°C

130 220 mW

130 200

IddSTD

No Load. Disable Mode, Vin connected

90 150 mA

IddIN

No Load. Direct Mode

200 280 mA

IddSTDOUT

Rin = 10 kW, Vout = 5.5 V, Disable Mode

0.02 1.0 mA

IddREV

No Accessory, Vout = 4.2 V, Reverse Mode

200 315 mA

ICHG

Output Load, Vin = 5.5 V, Direct

1.3

A

IREV

Accessory, Vout = 5.5 V, Reverse Modes

1.3

IOCP

Vout = 4.2 V, Load on Vin, Reverse Mode, RILIM 1.35 1.75 2.10

A

= 0 W, 1 A/1 ms

Overcurrent Response

FLAG Output Low Voltage

Iacc

Volflag

Direct Accessory Short, Reverse Mode,

Vout = 4.2 V, Ilim = 1.6 A

1.2 V < Vin < UVLO

Sink 50 mA on FLAG Pin

7.0

%

30 400 mV

FLAG Leakage Current

DIR Voltage High

DIR Voltage Low

DIR Leakage Current

REV Voltage High

REV Voltage Low

REV Leakage Current

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

FLAGleak

VihDIR

VilDIR

DIRleak

VihREV

VilREV

REVleak

TSD

TSDHYST

Vin > OVLO, Sink 1 mA on FLAG Pin

Ireverse > Ilim, Sink 1 mA on FLAG Pin

FLAG Level = 5.5 V

Vin or Vout connected

Vin and Vout disconnected

Vin or Vout connected

Vin and Vout disconnected

400

400

1.0

nA

1.2

V

0.55 V

200

nA

1.0

1.2

V

0.55 V

200

nA

1.0

150

°C

30

°C

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