NCV887700D1R2G datasheet(5/15 Pages) ONSEMI

Part #	NCV887700D1R2G

Description	Automotive Grade Start-Stop Non-Synchronous Boost Controller

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Manufacturer	ONSEMI [ON Semiconductor]

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NCV8877

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ELECTRICAL CHARACTERISTICS (−40

°C < TJ < 150°C, 3.6 V < VOUT < 40 V, unless otherwise specified) Min/Max values are

guaranteed by test, design or statistical correlation.

Characteristic

Unit

Max

Typ

Min

Conditions

Symbol

VOLTAGE ERROR OPERATIONAL TRANSCONDUCTANCE AMPLIFIER

GDRV Switching Delay

VOUT < VOUT,des or when IC DISB goes

from low to high with Vc pin compensation

network disconnected

−

55

64

ms

GATE DRIVER

Sourcing Current

Isrc

VDRV ≥ Typical Driving Voltage Specifica-

tion, VDRV − VGDRV = 2 V

550

800

−

mA

Sinking Current

Isink

VGDRV ≥ 2 V

480

600

−

mA

Driving Voltage Dropout (Note 2)

Vdrv,do

VOUT − VDRV, IvDRV = 25 mA

−

0.3

0.6

V

Driving Voltage Source Current

Idrv

VOUT − VDRV = 1 V

35

45

−

mA

Backdrive Diode Voltage Drop

Vd,bd

VDRV – VOUT, Id,bd = 5 mA

−

0.7

V

Driving Voltage

VDRV

IVDRV = 0.1 − 25 mA

5.8

6.0

6.2

V

Pull−down Resistance

−

21

−

k

W

UVLO

Undervoltage Lock−out,

Threshold Voltage

Vuvlo

VOUT falling

3.60

3.80

4.00

V

Undervoltage Lock−out,

Hysteresis

Vuvlo,hys

VOUT rising

330

450

570

mV

THERMAL SHUTDOWN

Thermal Shutdown Threshold (Note

2)

Tsd

TJ rising

160

170

180

°C

Thermal Shutdown Hysteresis (Note

2)

Tsd,hys

TJ falling

10

15

20

°C

Thermal Shutdown Delay (Note 2)

tsd,dly

From TJ > Tsd to stop switching

−

100

ns

VOLTAGE REGULATION

Voltage Regulation

VOUT,reg

NCV887700

NCV887701

NCV887720

NCV887740

6.66

9.80

11.76

6.80

10.00

12.00

6.94

10.20

12.24

V

Threshold IC Enable

VOUT descending

NCV887700

NCV887701

NCV887720

NCV887740

7.10

10.36

12.64

7.30

10.65

13.00

7.50

10.94

13.36

V

Threshold IC Disable

VOUT ascending

NCV887700

NCV887701

NCV887720

NCV887740

7.55

10.96

13.40

7.75

11.25

13.75

7.95

11.54

14.10

V

Threshold IC Enable – Voltage Reg-

ulation

NCV887700

NCV887701

NCV887720

NCV887740

0.32

0.39

0.52

0.5

0.6

0.8

−

V

Threshold IC Disable – Threshold

IC Enable

NCV887700

NCV887701

NCV887720

NCV887740

−

0.4

0.5

0.7

−

V

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

2. Not tested in production. Limits are guaranteed by design.

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