Analog Integrated Circuit Device Data

Freescale Semiconductor

7

34717

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Table 3. Static Electrical Characteristics

Characteristics noted under conditions 3.0 V

≤ V

Characteristic

Symbol

Min

Typ

Max

Unit

IC INPUT SUPPLY VOLTAGE (VIN)

Input Supply Voltage Operating Range

3.0

-

6.0

V

Input DC Supply Current (12)

(Normal Mode: SD = 1, Unloaded Outputs)

-

-

35

mA

Input DC Supply Current (12)

(Shutdown Mode, SD = 0)

-

-

100

µA

INTERNAL SUPPLY VOLTAGE OUTPUT (VDDI)

Internal Supply Voltage Range

2.35

2.5

2.65

V

CHANNEL 1 BUCK CONVERTER (PVIN1, SW1, PGND1, BOOT1, INV1, COMP1, ILIM1)

Channel 1 High-side MOSFET Drain Voltage Range

2.5

-

6.0

V

Output Voltage Adjustment Range (13),

0.7

-

3.6

V

Output Voltage Accuracy (13), (14)

-

-1.0

-

1.0

%

Line Regulation (13)

-1.0

-

1.0

%

Load Regulation (13)

-1.0

-

1.0

%

Error Amplifier Reference Voltage (13)

-

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

(13)

15

-

50

m

Ω

(13)

15

-

50

m

Ω

2.0

-

4.0

Ω

Notes

12.

Section “MODES OF OPERATION”, page 14 has a detailed description of the different operating modes of the 34717

13.

Design information only, this parameter is not production tested.

14.

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