NCV3843BVDR2G datasheet(4/17 Pages) ONSEMI

Part #	NCV3843BVDR2G

Description	High Performance Current Mode Controllers

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NCV3843BV

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ELECTRICAL CHARACTERISTICS (VCC = 15 V [Note 7], RT = 10 k, CT = 3.3 nF. For typical values TA = 25°C, for min/max values

TA is the operating ambient temperature range that applies [Note 8], unless otherwise noted.)

Characteristics

Symbol

Min

Typ

Max

Unit

OUTPUT SECTION

Output Voltage

Low State (ISink = 20 mA)

(ISink = 200 mA)

High State (ISource = 20 mA)

(ISource = 200 mA)

VOL

VOH

−

12.9

12

0.1

1.6

13.5

13.4

0.4

2.3

−

V

Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 1.0 mA)

VOL(UVLO)

−

0.1

1.1

V

Output Voltage Rise Time (CL = 1.0 nF, TJ = 25°C)

tr

−

50

150

ns

Output Voltage Fall Time (CL = 1.0 nF, TJ = 25°C)

tf

−

50

150

ns

UNDERVOLTAGE LOCKOUT SECTION

Startup Threshold (VCC)

Vth

7.8

8.4

9.0

V

Minimum Operating Voltage After Turn−On (VCC)

VCC(min)

7.0

7.6

8.2

V

PWM SECTION

Duty Cycle

Maximum

Minimum

DC(max)

DC(min)

93

−

96

−

0

%

TOTAL DEVICE

Power Supply Current

Startup (VCC 14 V) (Note 7)

ICC + IC

−

12

17

mA

Power Supply Zener Voltage (ICC = 25 mA)

VZ

30

36

−

V

7. Adjust VCC above the Startup threshold before setting to 15 V.

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

NCV3843BV: Tlow = −40°C, Thigh = +125°C. Guaranteed by design.

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

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NCV3843BVDR2G Datasheet(PDF) 4 Page - ON Semiconductor

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