Document Number: 72949

S09-1453-Rev. D, 03-Aug-09

www.vishay.com

3

Vishay Siliconix

SiP1759

Notes:

a. Full = as determined by the operating suffix.

b. Typical values are for Design Aid only, not guaranteed nor subject to production testing.

PIN CONFIGURATION AND TRUTH TABLE

SPECIFICATIONS

Parameter

Symbol

Test Condition Unless Specified

Limits

- 40 °C to 85 °C

Unit

Min.

Max.

FB Dual Mode Threshold

Internal feedback

Full

100

50

mV

External feedback

Full

200

100

ERROR Trip Voltage

Falling edge at FB

Full

1.0

1.1

1.2

V

ERROR Output Low Voltage

Full

5

100

mV

ERROR Leakage Current

Full

0.01

0.2

µA

Switching Frequency

1.6 V

≤ V

Full

1.2

1.5

1.8

MHz

Output Short-Circuit Current

foldback current limit

Full

110

mA

Thermal Shutdown

Temperature

Temperature rising

Full

160

°C

Thermal Shutdown Hysteresis

Full

20

Efficiency

Full

90

%

10

ERROR

FB

MSOP-10

SD

1

2

3

9

8

GND

PGND

Top View

56

47

ORDERING INFORMATION

Part Number

Temperature Range

Marking

SiP1759DH-T1

- 40 °C to 85 °C

1759

Eval Kit

Temperature Range

Board

SiP1759DB

- 40 °C to 85 °C

Surface Mount

PIN DESCRIPTION

Pin Number

Name

Function

1ERROR

Open drain error flag - a low output indicates that the output voltage is out of range

2SD

Shutdown input

3, 4

Input voltage

5

GND

Ground

6

PGND

Power ground

7

Negative terminal of the charge pump capacitor

8

Positive terminal of the charge pump capacitor

9

Regulated output voltage

10

FB

Feedback input - connected to GND for fixed 3.3 V output. Connected to a resistive divider for an adjustable output