PTH04T240FAST datasheet(5/35 Pages) TI

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PTH04T240F

www.ti.com ............................................................................................................................................... SLTS293A – DECEMBER 2008 – REVISED MARCH 2009

ELECTRICAL CHARACTERISTICS (continued)

PTH04T240F

TA = 25°C, VI = 5 V, VO = 1.0 V, CI = 220 µF, CO = 1000 µF, and IO = IO max (unless otherwise stated)

PARAMETER

TEST CONDITIONS

PTH04T240F

UNIT

MIN

TYP

MAX

see table

Capacitance Value

10000

µF

(6) (7)

External output capacitance

w/ TurboTrans

Capacitance × ESR product (CO × ESR)

1000 (7)

10000 (7)

µF×m

Ω

Per Telcordia SR-332, 50% stress,

MTBF

Reliability

4.5

106 Hr

TA = 40°C, ground benign

(6)

1000 µF of external non-ceramic output capacitance is required for basic operation. Adding additional capacitance at the load further

improves transient response. Up to 500 µF of ceramic capacitance may be added in addition to the required non-ceramic capacitance.

See Capacitor Application Information section for more guidance.

(7)

When using TurboTrans™ technology, a minimum value of output capacitance is required for proper operation. Additionally, low ESR

capacitors are required for proper operation. See the application notes for further guidance.

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