Analog Integrated Circuit Device Data

6

Freescale Semiconductor

34726

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Table 4. Static Electrical Characteristics

Characteristics noted under conditions; 2.7 V

L1 = 4.7

μH (See Figure 1), unless otherwise noted. The typical specifications are measured at the following conditions;

Characteristic

Symbol

Min

Typ

Max

Unit

Supply Voltage

2.7

-

5.5

V

Output Voltage (Factory preset)

0.8

-

3.3

V

Output Current

300

-

-

mA

Total Supply Current(5)

Regulator disabled

-

0.1

1.0

μA

Quiescent Current (Switching)

-

65

85

μA

Current Limit

Current rising at high side

-

450

-

mA

Output Voltage Accuracy (% of output voltage)

Overload and temperature

-3%

-

3%

UVLO Threshold(6)

-

2.5

-

-

2.7

-

V

Enable Voltage

Regulator operating

Regulator shutdown

1.6

-

-

-

-

0.4

V

High Side Power MOSFET On Resistance

-

250

-

m

Ω

Low Side Power MOSFET On Resistance

-

350

-

m

Ω

Load Regulation

-

0.5

-

%

Line Regulation

-

0.5

-

%

Start-up Overshoot (% of output voltage)

-

3%

-

Thermal Shutdown Threshold (Junction Temperature)

-

140

-

°C

Thermal Shutdown Hysteresis (Junction Temperature)

-

10

-

°C

Notes

5.

6.

of 2.5 V, where the UVLO shutdown mechanism will activate.