TS7900A_07 datasheet(4/11 Pages) TSC

Part #	TS7900A

Description	3-Terminal Fixed Negative Voltage Regulator

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Manufacturer	TSC [Taiwan Semiconductor Company, Ltd]

Direct Link	http://www.taiwansemi.com

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4 / 11 page

TS7900A Series

3-Terminal Fixed Negative Voltage Regulator

4/11

Version: A07

TS7912A Electrical Characteristics

(Vin= -19V, Iout=500mA, 0

oC≤Tj≤125oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Tj=25

oC

-11.76

-12

-12.24

Output Voltage

Vout

-14.5V≤Vin≤-27V,

10mA≤Iout≤1A, PD ≤15W

-11.52

-12

-12.48

V

-14.5V≤Vin≤-30V

--

10

240

Line Regulation

REGline

Tj=25

oC

-15V≤Vin≤-19V

--

3

120

10mA≤Iout≤1A

--

12

240

Load Regulation

REGload

Tj=25

oC

250mA≤Iout≤750mA

--

4

120

mV

Quiescent Current

Iq

Tj=25

oC, Iout=0

--

4.3

8

-14.5V≤Vin≤-30V

--

1

Quiescent Current Change

ΔIq

10mA≤Iout≤1A

--

0.5

mA

Output Noise Voltage

Vn

10Hz≤f≤100KHz, Tj=25

oC

--

75

--

uV

Ripple Rejection Ratio

RR

f=120Hz, -15V≤Vin≤-25V

55

70

--

dB

Voltage Drop

Vdrop

Iout=1.0A, Tj=25

oC

--

2

--

V

Output Short Circuit Current

Ios

Tj=25

oC

--

350

--

mA

Peak Output Current

Io peak

Tj=25

oC

--

2.1

--

A

Temperature Coefficient of

Output Voltage

ΔVout/ ΔTj

Iout=10mA, 0

oC≤Tj≤125oC

--

-1

--

mV/

oC

TS7915A Electrical Characteristics

Vin= -23V, Iout=500mA, 0

oC≤Tj≤125oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Tj=25

oC

-14.70

-15

-15.30

Output voltage

Vout

-17.5V≤Vin≤-30V,

10mA≤Iout≤1A, PD ≤15W

-14.40

-15

-15.60

V

-17.5V≤Vin≤-30V

--

12

300

Line Regulation

REGline

Tj=25

oC

-18V≤Vin≤-22V

--

3

150

10mA≤Iout≤1A

--

12

300

Load Regulation

REGload

Tj=25

oC

250mA≤Iout≤750mA

--

4

150

mV

Quiescent Current

Iq

Tj=25

oC, Iout=0

--

4.3

8

-17.5V≤Vin≤-30V

--

1

Quiescent Current Change

ΔIq

10mA≤Iout≤1A

--

0.5

mA

Output Noise Voltage

Vn

10Hz≤f≤100KHz, Tj=25

oC

--

90

--

µV

Ripple Rejection Ratio

RR

f=120Hz, -18V≤Vin≤-28V

54

69

--

dB

Voltage Drop

Vdrop

Iout=1.0A, Tj=25

oC

--

2

--

V

Output Short Circuit Current

Ios

Tj=25

oC

--

230

--

mA

Peak Output Current

Io peak

Tj=25

oC

--

2.1

--

A

Temperature Coefficient of

Output Voltage

ΔVout/ ΔTj

Iout=10mA, 0

oC≤Tj≤125oC

--

-1

--

mV/

oC



Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as

possible, and thermal effects must be taken into account separately.



This specification applies only for DC power dissipation permitted by absolute maximum ratings.

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TS7900A Datasheet(PDF) 4 Page - Taiwan Semiconductor Company, Ltd

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