Si9166

Vishay Siliconix

Document Number: 70847

S-40701—Rev. C, 19-Apr-04

www.vishay.com

3

SPECIFICATIONS

Limits

Test Conditions

Unless Otherwise Specified

Parameter

Unit

Test Conditions

Unless Otherwise Specified

Symbol

Oscillator

Maximum Frequency

2

MHz

Accuracy

−20

20

Maximum Duty Cycle—Buck

75

85

%

Maximum Duty Cycle—Boost

52

65

SYNC Range

1.2

1.5

SYNC Low Pulse Width

50

SYNC High Pulse Width

50

ns

50

Error Amplifier

Input Bias Current

−1

1

mA

Open Loop Voltage Gain

50

60

dB

FB Threshold

1.270

1.30

1.330

V

FB Threshold

1.258

1.30

1.342

V

Unity Gain BW

BW

2

MHz

Output Current

−3

−1

mA

Output Current

1

3

mA

Power Supply Rejection

PSRR

60

dB

Output Drive (DH and DL)

Output High Voltage

3.18

3.24

V

Output Low Voltage

0.06

0.12

V

Peak Output Source

−750

−500

mA

Peak Output Sink

500

750

mA

Break-Before-Make

30

ns

Supply

Normal Mode

500

750

PSM Mode

180

250

mA

Shutdown Mode

1

Notes

a.

The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.

b.

Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.