CS2841B Ver la hoja de datos (PDF) - Cherry semiconductor

Número de pieza

componentes Descripción

Fabricante

CS2841B

Automotive Current Mode PWM Control Circuit

Cherry semiconductor 

PARAMETER

s Output Section

Output Low Level

Output High Level

Rise Time

Fall Time

Output Leakage

Electrical Characteristics: continued

TEST CONDITIONS

MIN

ISINK=20mA

ISINK=200mA

ISOURCE=20mA

13.0

ISOURCE=200mA

12.0

TJ=25˚C, CL=1nF (Note 2)

TJ=25˚C, CL=1nF (Note 2)

Undervoltage Active, VOUT=0

s Total Standby Current

Start-Up Current

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

s Under-Voltage Lockout Section

Start Threshold

7.6

Min. Operating Voltage

After Turn On

7.0

TYP

0.1

1.5

13.5

13.5

50

50

-0.01

0.5

11

8.0

7.4

MAX

UNIT

0.4

V

2.2

V

V

V

150

ns

150

ns

-10.00 µA

1.0

mA

17

mA

8.4

V

7.8

V

PACKAGE PIN #

8L PDIP 14L SO Narrow

1

1

2

3

3

5

4

7

5

8

9

6

10

11

7

12

8

14

2,4,6,13

Package Pin Description

PIN SYMBOL

FUNCTION

COMP

VFB

Sense

OSC

Gnd

Pwr Gnd

VOUT

VCCPwr

VCC

VREF

NC

Error amp output, used to compensate error amplifier

Error amp inverting input

Noninverting input to Current Sense Comparator

Oscillator timing network with Capacitor to Ground, resistor

to VREF

Ground

Output driver Ground

Output drive pin

Output driver positive supply

Positive power supply

Output of 5V internal reference

No Connection

3

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