SIP2804 datasheet(3/11 Pages) VISHAY

3 / 11 page

Document Number: 72660

S11-0598-Rev. E, 25-Apr-11

www.vishay.com

Vishay Siliconix

SiP2800, SiP2801, SiP2802, SiP2803, SiP2804, SiP2805

This datasheet is subject to change without notice.

THE PRODUCT DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Parameter

Symbol

Test Conditions Unless Specified

VCC = 10 V, RT = 100 k., CT = 330 pF

CREF = 0.1 µF, - 40 °C < TA < 85 °C

Limits

Unit

Min.a

Typ.b

Max.a

Error Amplifier

Input Voltage

VIN

COMP = 2.5 V

SiP2800 /

SiP2801 /

SiP2802 /

SiP2804

2.44

2.50

2.56

COMP = 2.0 V

SiP2803 /

SiP2805

1.95

2.00

2.05

Input Bias Current

IBIAS1

- 1

µA

Open Loop Gain

COMP Sink Current

ISINK

FB = 2.7 V, COMP = 1.1 V

0.3

3.5

COMP Source Current

ISOURCE

FB = 1.8 V, COMP = VREF - 1.2 V

- 0.2

- 0.5

- 0.8

Gain Bandwidth

2MHz

SPECIFICATIONS

Parameter

Symbol

Test Conditions Unless Specified

VCC = 10 V, RT = 100 k., CT = 330 pF

CREF = 0.1 µF, - 40 °C < TA < 85 °C

Limits

Unit

Min.a

Typ.b

Max.a

PWM and Overcurrent Comparator

Maximum Duty Cycle

DMAX

SiP2800 /

SiP2802 /

SiP2803

100

SiP2801 /

SiP2804 /

SiP2805

Minimum Duty Cycle

DMIN

COMP = 0 V

Gainc

0 < VCS < 0.8 V

1.2

1.65

1.9

V/V

Max. Input Signal

VIMAX

COMP = 5 V

0.9

1.0

1.1

Input Bias Current 2

IBIAS2

- 200

200

COMP to CS Offset

CS = 0 V

0.45

0.90

1.35

CS Pin Blanking Time

100

150

Overcurrent Comparator Fault

Threshold

1.47

1.73

Output

Output Voltage

VOL

I = 20 mA

All Parts

0.1

0.40

I = 200 mA

0.35

0.90

I = 50 mA, VCC = 5 V

SiP2803 /

SiP2805

0.15

0.40

I = 20 mA, VCC = 0 V

All Parts

0.70

1.20

VCC - VOH

I = - 20 mA

All Parts

0.15

0.40

I = - 200 mA

1.00

1.90

I = - 50 mA, VCC = 5 V

SiP2803 /

SiP2805

0.40

0.90

Rise Time

CL = 1 nF

Fall Time

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