NCP3065PG datasheet(4/18 Pages) ONSEMI

Part #	NCP3065PG

Description	Up to 1.5 A Constant Current Switching Regulator for LEDs

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP3065, NCV3065

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4

ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, TJ = -40°C to +125°C, unless otherwise specified)

Characteristic

Conditions

Symbol

Min

Typ

Max

Unit

OSCILLATOR

Frequency

(VPin 5 = 0 V, CT = 2.2 nF,

TJ = 25°C)

fOSC

110

150

190

kHz

Discharge to Charge Current Ratio

(Pin 7 to VCC, TJ = 25°C)

IDISCHG /

ICHG

5.5

6.0

6.5

-

Capacitor Discharging Current

(Pin 7 to VCC, TJ = 25°C)

IDISCHG

1650

mA

Capacitor Charging Current

(Pin 7 to VCC, TJ = 25°C)

ICHG

275

mA

Current Limit Sense Voltage

(TJ = 25°C) (Note 7)

VIPK(Sense)

165

185

235

mV

OUTPUT SWITCH (Note 6)

Darlington Switch Collector to

Emitter Voltage Drop

(ISW = 1.0 A,

TJ = 25°C) (Note 6)

VSWCE(DROP)

1.0

1.3

V

Collector Off-State Current

(VCE = 40 V)

IC(OFF)

0.01

100

mA

COMPARATOR

Threshold Voltage

TJ = 25°C

VTH

235

mV

TJ = 0 to +85°C

±5

%

TJ = -40°C to +125°C

VTH

-10

+10

%

Threshold Voltage Line Regulation

(VCC = 3.0 V to 40 V)

REGLiNE

-6.0

6.0

mV

Input Bias Current

(Vin = Vth)

ICII in

-1000

-100

1000

nA

TOTAL DEVICE

Supply Current

(VCC = 5.0 V to 40 V,

CT = 2.2 nF, Pin 7 = VCC,

VPin 5 > Vth, Pin 2 = GND,

remaining pins open)

ICC

7.0

mA

Thermal Shutdown Threshold

160

°C

Hysteresis

10

°C

6. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.

7. The

VIPK(Sense) Current Limit Sense Voltage is specified at static conditions. In dynamic operation the sensed current turn-off value depends

on comparator response time and di/dt current slope. See the Operating Description section for details.

8. NCV prefix is for automotive and other applications requiring site and change control.

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