CS2841B datasheet(3/6 Pages) CHERRY

tên linh kiện	CS2841B

Giải thích chi tiết về linh kiện	Automotive Current Mode PWM Control Circuit

PDF	6 Pages

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nhà sản xuất	CHERRY [Cherry Semiconductor Corporation]

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Electrical Characteristics: continued

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output Section

Output Low Level

ISINK=20mA

0.1

0.4

ISINK=200mA

1.5

2.2

Output High Level

ISOURCE=20mA

13.0

13.5

ISOURCE=200mA

12.0

13.5

Rise Time

TJ=25˚C, CL=1nF (Note 2)

150

Fall Time

TJ=25˚C, CL=1nF (Note 2)

150

Output Leakage

Undervoltage Active, VOUT=0

-0.01

-10.00

µA

Total Standby Current

Start-Up Current

0.5

1.0

Operating Supply Current ICC VFB=VSense=0V, RT=10kΩ, CT=3.3nF

Under-Voltage Lockout Section

Start Threshold

7.6

8.0

8.4

Min. Operating Voltage

After Turn On

7.0

7.4

7.8

Package Pin Description

PACKAGE PIN #

PIN SYMBOL

FUNCTION

8L PDIP

14L SO Narrow

COMP

Error amp output, used to compensate error amplifier

VFB

Error amp inverting input

Sense

Noninverting input to Current Sense Comparator

OSC

Oscillator timing network with Capacitor to Ground, resistor

to VREF

Gnd

Ground

Pwr Gnd

Output driver Ground

610

VOUT

Output drive pin

VCCPwr

Output driver positive supply

712

VCC

Positive power supply

814

VREF

Output of 5V internal reference

2,4,6,13

No Connection

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