TS1581 datasheet(2/9 Pages) TSC

部件名	TS1581

功能描述	5A Dual Input LDO

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制造商	TSC [Taiwan Semiconductor Company, Ltd]

网页	http://www.taiwansemi.com

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2 / 9 page

TS1581

5A Dual Input LDO

2/9

Version: A07

Absolute Maximum Rating

Parameter

Symbol

Value

Units

Input Supply Voltage

V Power

V Control

Vpower

Vcontrol

7

13

V

Power Dissipation

PD

Internally Limited

W

Operating Junction Temperature Range

TJ

0 ~ +125

oC

Storage Temperature Range

TSTG

-65 ~ +150

oC

Lead Soldering Temperature (260

oC)

10

S

Electrical Characteristics Ta=+25°C, Ccontrol=Cpower=Cout=10uF unless Specified

Parameter

Conditions

Min

Typ

Max

Unit

VCONTROL = 4.5V, VPOWER = 2.05V, IO = 10mA

1.238

1.262

Reference Voltage

(Adj. Voltage Versions)

VCONTROL = 4.5V, VPOWER = 2.05V,

IO = 10mA to 5A

1.230

1.250

1.270

V

VCONTROL = 5V, VPOWER =VOUT+0.8V, IO = 10mA

-1.0

+1.0

Output Voltage

(Fixed Voltage Versions)

VCONTROL = 5V, VPOWER = VOUT +0.8V,

IO = 10mA to 5A

-1.6

VOUT

+1.6

%

Line Regulation

VCONTROL = (VOUT +1.5V) to 12V,

VPOWER = (VOUT +0.8V) to 5.5V, IO = 10mA

--

0.04

0.2

%

Load Regulation

VCONTROL = (VOUT +2.5V),

VPOWER = (VOUT +0.8V), IO = 10mA to 5A

--

0.08

0.4

%

Mini. Load Current (Note 2)

VCONTROL =5V, VPOWER= 3.3V, VADJ=0V

--

5

10

mA

Control Pin Current

(Note 3)

VCONTROL = (VOUT +2.5V),

VPOWER = (VOUT +0.8V), IO = 10mA to 5A

--

80

135

mA

Adjust Pin Current

VCONTROL = 2.75V, VPOWER = 2.05, VADJ = 0V,

IO = 10mA

--

50

120

uA

Current Limit

VPOWER - VOUT = 3V

5.5

6.8

--

A

Ripple Rejection

VCONTROL = VPOWER = 5V, VRIPPLE = 1V,

IO = 2.5A, f = 120kHz

60

80

--

dB

Thermal Regulation

30mS pulse

--

0.003

--

%/W

Dropout Voltage (Note 4)

VCONTROL = (VOUT +2.5V), IO = 5A

--

0.55

0.70

V

Note1: VOUT = VSENSE, VADJ = 0V unless otherwise specified.

Note2: For the adjustable device the minimum load current is the minimum current required to maintain regulation,

normally the current in the resistor divider used to set the output voltage is selected to meet the minimum load

current requirement.

Note3: The control pin current is the drive current required for the output transistor, this current will track output current

with a ratio of about 1:100

Note4: If the same voltage is input to both VPOWER and VCONTROL, then the dropout voltage will become 1.3V maximum,

and minimum input/output voltage required to maintain 1% regulation.

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类似说明 - TS1581

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