4

Electrical characteristics

TJ = 25 °C, VI = VO + 2.5 V, CI = CO = 1 µF, unless otherwise specified.

Table 4. Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ. Max.

Unit

VI

Operating input voltage

IO = 2 A (FLAT-16P) or 3 A (SMD.5 and TO-257)

12

V

VO

Output voltage accuracy

VI = VO + 2.5 V, IO = 5 mA

-2

2

%

ISHORT

Output current limit (1)

Adjustable by mask/external resistor

4.5

A

VO

Operating output voltage

IO = 2 A, 2.5 V output voltage

2.45

2.55

V

IO = 2 A, 3.3 V output voltage

3.23

3.37

IO = 2 A, 5.0 V output voltage

4.9

5.1

∆VO/∆vI Line regulation

VI = VO+2.5 V to 12 V, IO = 5 mA (+25 °C)

0.3

%

VI = VO+2.5 V to 12 V, IO = 5 mA (-55 °C)

0.4

VI = VO+2.5 V to 12 V, IO = 5 mA (+125 °C)

0.4

∆VO/∆vO Load regulation

VI = VO+2.5 V, IO = 5 mA to 400 mA (+25 °C)

0.2

%

VI = VO+2.5 V, IO = 5 mA to 400 mA (-55 °C)

0.3

VI = VO+2.5 V, IO = 5 mA to 400 mA (+125 °C)

0.3

VI = VO+2.5 V, IO = 5 mA to 1 A (+25 °C)

0.3

VI = VO+2.5 V, IO = 5 mA to 1 A (-55 °C)

0.4

VI = VO+2.5 V, IO = 5 mA to 1 A (125 °C)

0.4

ZOUT

Output impedance

IO = 100 mA DC and 20 mA rms

100

mΩ

Iq

Quiescent current

VI = VO + 2.5 V,

IO = 30 mA,

ON mode (+25 °C)

8

mA

VI = VO + 2.5 V,

IO = 300 mA,

ON mode

25

VI = VO + 2.5 V,

IO = 1 mA,

ON mode

60

VI = VO + 2.5 V,

IO = 3 A,

ON mode (only for SMD.5 and TO-257)

150

VI = VO+2 V, VINH = 2.4 V, off mode

1

Iq

Quiescent current

VI = VO + 2.5 V,

IO = 1 mA, (TJ = +125 °C, on mode)

40

mA

VI = VO + 2.5 V,

IO = 1 A, (TJ =-55 °C, on mode)

100

RHFL4913XX25, RHFL4913XX33, RHFL4913XX50

Electrical characteristics

DS3260 - Rev 15

page 5/20