GS1117CT datasheet(3/6 Pages) VISHAY

3 / 6 page

GS1117

Vishay Semiconductors

formerly General Semiconductor

Document Number 74802

www.vishay.com

20-Feb-02

Electrical Characteristics(1) TJ = 25°C(2), VIN = 5V, Io = 10mA unless otherwise noted.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Output Current

0°C

≤ TJ ≤ 125°C

0.85

2.65

≤ Vin ≤ 7V

Adjust Pin Current

Iadj

10mA

≤ Io ≤ 800mA

120

µA

0°C

≤ TJ ≤ 125°C

2.65

≤ Vin ≤ 7V

Adjust Pin Current Change

∆Iadj

10mA

≤ Io ≤ 800mA

0.2

µA

0°C

≤ TJ ≤ 125°C

Temperature Stability

Io = 0.5A

0.8

%VO

0°C

≤ TJ ≤ 125°C

Minimum Load Current

ILMIN

0°C

≤ TJ ≤ 125°C

Adjustable Version

Quiescent Current

0°C

≤ TJ ≤ 125°C10

Fixed Voltage Version

RMS Output Noise

10HZ

≤ f ≤ 10 kHZ

0.003

%VO

Ripple Rejection Ratio

f = 120 HZ, CO = 25

µF

Cadj = 25

µF

Thermal Regulation

RTH

TA = 25°C, 30ms Pulse

0.02

0.05

%/W

Long Term Stability

TA = 125°C, 1000 Hrs

0.3

%VO

Notes:

VREF = VOUT – VADJ = 1.25V (typ.)

VOUT = VREF x (1+R2/R1) + IADJ x R2

IADJ = 55

µA (typ.)

(1) C1 needed if device is far away from filter capacitors

(2) C2 required for stability

Typical Application Circuit

VIN

VOUT

3.3V

µF

ADJ

VREF

125

Ω

205

Ω

GS1117

Adjustable Voltage Regulator

VIN

VOUT

µF

GS1117-2.5

GS1117-2.85

GS1117-3.3

GS1117-5

Fixed Voltage Regulator

Notes:

(1) All parameters, except nominal output voltage are specified for the variable voltage version, allowing a wider Vin Range.

The specified limits also apply for the fixed voltage versions.

(2) To maintain the specified junction temperatures, low duty cycle pulse testing is required for most parameters.

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