TS1583CM5 datasheet(2/9 Pages) TSC

2 / 9 page

TS1583

1.5A Dual Input LDO

2/9

Version: A07

Absolute Maximum Rating

Parameter

Symbol

Value

Units

Input Supply Voltage

V Power

V Control

Vpower

Vcontrol

Power Dissipation

Internally Limited

Operating Junction Temperature Range

0 ~ +125

Storage Temperature Range

TSTG

-65 ~ +150

Lead Soldering Temperature (260

oC)

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 1.5A

1.230

1.250

1.270

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 1.5A

-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 1.5A

0.08

0.4

Mini. Load Current (Note 2)

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

Control Pin Current

(Note 3)

VCONTROL = (VOUT +2.5V),

VPOWER = (VOUT +0.8V), IO = 10mA to 1.5A

135

Adjust Pin Current

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

IO = 10mA

120

Current Limit

VPOWER - VOUT = 3V

5.5

6.8

Ripple Rejection

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

IO = 2.1.5A, f = 120kHz

Thermal Regulation

30mS pulse

0.003

%/W

Dropout Voltage (Note 4)

VCONTROL = (VOUT +2.5V), IO = 1.5A

0.55

0.70

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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