Analog Integrated Circuit Device Data

8

Freescale Semiconductor

34717

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

PVIN1 Pin Leakage Current

(Shutdown Mode)

-10

-

10

µA

INV1 Pin Leakage Current

-1.0

-

1.0

µA

Thermal Shutdown Threshold (15)

-

170

-

°C

Thermal Shutdown Hysteresis (15)

-

25

-

°C

CHANNEL 2 BUCK CONVERTER (PVIN2, SW2, PGND2, BOOT2, INV2, COMP2, ILIM2)

Channel 2 High-side MOSFET Drain Voltage Range

2.5

-

6.0

V

Output Voltage Adjustment Range(15)

0.7

-

3.6

V

Output Voltage Accuracy (15), (16), (17)

-

-1.0

-

1.0

%

Line Regulation (15)

-1.0

-

1.0

%

Load Regulation (15)

-1.0

-

1.0

%

Error Amplifier Reference Voltage (15)

-

0.7

-

V

Output Undervoltage Threshold

-1.5

-

-8.0

%

Output Overvoltage Threshold

1.5

-

8.0

%

Continuous Output Current

-

-

5.0

A

Over Current Limit

-

6.5

-

A

Soft Start Adjusting Reference Voltage Range

1.25

-

V

Short Circuit Current Limit

-

8.5

-

A

(15)

15

-

50

m

Ω

(15)

15

-

50

m

Ω

2.0

-

4.0

Ω

PVIN2 Pin Leakage Current

(Shutdown Mode)

-10

-

10

µA

INV2 Pin Leakage Current

-1.0

-

1.0

µA

Notes

15.

Design information only, this parameter is not production tested.

16.

This is directly affected by the accuracy of the external feedback network, 1% feedback resistors are recommended.

17.

±1% is assured at room temperature

Table 3. Static Electrical Characteristics

Characteristics noted under conditions 3.0 V

≤ V

Characteristic

Symbol

Min

Typ

Max

Unit