APTH003A0X-SR 参数 Datasheet PDF下载

Data Sheet

October 8, 2009

Pico TLynx

TM

3A: Non-isolated DC-DC Power Modules

2.4 – 5.5Vdc input; 0.6Vdc to 3.63Vdc output; 3A output current

Electrical Specifications (continued)

Parameter

Output Voltage Set-point (with 0.5% tolerance for

external resistor used to set output voltage)

Output Voltage

(Over all operating input voltage, resistive load,

and temperature conditions until end of life)

Adjustment Range

Selected by an external resistor

Output Regulation (for V

O

≥

2.5Vdc)

Line (V

IN

=V

IN, min

to V

IN, max

)

Load (I

O

=I

O, min

to I

O, max

)

Output Regulation (for V

O

< 2.5Vdc)

Line (V

IN

=V

IN, min

to V

IN, max

)

Load (I

O

=I

O, min

to I

O, max

)

Temperature (T

ref

=T

A, min

to T

A, max

)

Remote Sense Range

Output Ripple and Noise on nominal output

(V

IN

=V

IN, nom

and I

O

=I

O, min

to I

O, max

Co = 0.1μF //

10

μF

ceramic capacitors)

Peak-to-Peak (5Hz to 20MHz bandwidth)

RMS

External Capacitance

ESR

≥

1 mΩ

With the Tunable Loop

ESR

≥

0.15 mΩ

ESR

≥

10 mΩ

Output Current

Output Current Limit Inception (Hiccup Mode )

Output Short-Circuit Current

(V

O

≤250mV)

( Hiccup Mode )

Efficiency

V

IN

= 3.3Vdc, T

A

=25°C

I

O

=I

O, max ,

V

O

= V

O,set

V

IN

= 5Vdc

Switching Frequency

Dynamic Load Response

(dIo/dt=10A/μs; V

IN

= 5V; V

out

= 1.5V, T

A

=25°C)

Load Change from Io= 0% to 50% of Io,max;

Co = 0

Peak Deviation

Settling Time (Vo<10% peak deviation)

Load Change from Io= 50% to 0% of Io,max:

Co = 0

Peak Deviation

Settling Time (Vo<10% peak deviation)

All

All

TM

TM

1

TM

Device

All

All

Symbol

V

O, set

V

O, set

Min

-1.5

-3.0

Typ

Max

+1.5

Unit

% V

O, set

% V

O, set

⎯

+3.0

All

V

O

0.6

3.63

Vdc

All

All

All

All

All

All

⎯

⎯

⎯

⎯

⎯

+0.4

10

10

5

0.4

0.5

% V

O, set

mV

mV

mV

% V

O, set

V

All

⎯

20

15

35

25

mV

pk-pk

mV

rms

Without the Tunable Loop

All

All

All

All

All

All

V

O,set

= 0.6Vdc

V

O, set

= 1.2Vdc

V

O,set

= 1.8Vdc

V

O,set

= 2.5Vdc

V

O,set

= 3.3Vdc

All

C

O, max

C

O, max

C

O, max

I

o

I

O, lim

I

O, s/c

η

η

η

η

η

f

sw

0

0

0

0

⎯

⎯

⎯

47

1000

3000

3

200

μF

μF

μF

Adc

% I

o,max

Adc

%

%

%

%

%

0.12

81.2

89.4

91.4

93.9

94.4

⎯

600

⎯

kHz

All

All

V

pk

t

s

90

20

mV

μs

V

pk

t

s

100

20

mV

μs

External capacitors may require using the new Tunable Loop feature to ensure that the module is stable as well as

TM

getting the best transient response. See the Tunable Loop section for details.

1

LINEAGE

POWER

3