NCV3066DR2G datasheet(4/20 Pages) ONSEMI

Part #	NCV3066DR2G

Description	Up to 1.5 A Constant Current Switching Regulator for LEDs with ON/OFF Function

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NCP3066, NCV3066

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ELECTRICAL CHARACTERISTICS (VCC = 5.0 V, −40°C < TJ < +125°C for NCV3066, 0°C < TJ < +85°C for NCP3066 unless

otherwise specified)

Symbol

Characteristic

Conditions

Min

Typ

Max

Unit

OSCILLATOR

fOSC

Frequency

(VPin5 = 0 V, CT = 2.2 nF,

TJ = 25°C)

110

150

190

kHz

IDISCHG/ICHG Discharge to Charge Current Ratio

(Pin 7 to VCC, TJ = 25°C)

5.5

6.0

6.5

−

IDISCHG

Capacitor Discharging Current

(Pin 7 to VCC, TJ = 25°C)

1650

mA

ICHG

Capacitor Charging Current

(Pin 7 to VCC, TJ = 25°C)

275

mA

VIPK(Sense)

Current Limit Sense Voltage

(TJ = 25°C) (Note 7)

165

200

235

mV

OUTPUT SWITCH (Note 6)

VSWCE(DROP) Darlington Switch Collector to

Emitter Voltage Drop

(ISW = 1.0 A, TJ = 25°C)

(Note 6)

1.0

1.3

V

IC(OFF)

Collector Off−State Current

(VCE = 40 V)

1.0

10

mA

COMPARATOR

VTH

Threshold Voltage

TJ = 25°C

235

mV

TJ = 0°C to 85°C

−5%

235

+5%

TJ = −40°C to +125°C

−10%

235

+10%

REGLiNE

Threshold Voltage Line Regulation

(VCC = 3.0 V to 40 V)

−6.0

2.0

6.0

mV

ICII in

Input Bias Current

(Vin = Vth)

−1000

−100

1000

nA

ON/OFF FEATURE

VIH

ON/OFF Pin Logic Input Level High

VOUT = 0 V

TJ = 25°C

TJ = 0°C to +85°C

2.2

2.4

−

V

VIL

ON/OFF Pin Logic Input Level Low

VOUT = Nominal Output Voltage

J = 25°C

TJ = 0°C to +85°C

−

1.0

0.8

V

IIH

ON/OFF Pin Input Current

ON/OFF Pin = 5 V (ON)

TJ = 25°C

15

mA

IIL

ON/OFF Pin Input Current

ON/OFF Pin = 0 V (OFF)

TJ = 25°C

1.0

mA

TON_MIN

ON/OFF Pin Minimum Width

TJ = 25°C

50

ms

TOTAL DEVICE

ICC

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)

7.0

mA

ISTBY

Standby Quiescent Current

ON/OFF Pin = 5.0 V (OFF)

TJ = 25°C

TJ = −40°C to +125°C

85

120

mA

TSHD

Thermal Shutdown Threshold

160

°C

TSHDHYS

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 and extended operating temperature conditions.

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