6

FN6852.2

February 11, 2010

Absolute Maximum Ratings

Thermal Information

DC Supply Voltage for VDDP, VDDS Pins . . . . . . -0.3V to 17V

High-Side Supply Voltage for BST Pin . . . . . . . . -0.3V to 30V

High-Side Boost Voltage for BST - SW Pins . . . . . -0.3V to 8V

Internal MOSFET Reference for VR Pin . . . . . . -0.3V to 8.5V

Internal Analog Reference for VRA Pin . . . . . . -0.3V to 6.5V

Internal 2.5 V Reference for V2P5 Pin . . . . . . . . . -0.3V to 3V

Logic I/O Voltage for EN, CFG, DDC, FC, MGN, PG, SDA, SCL,

SA, SALRT, SS, SYNC, VTRK, VSET, VSEN Pins -0.3V to 6.5V

Ground Differential for DGND - SGND,

PGND - SGND Pins

. . . . . . . . . . . . . . . . . . . . . . ±0.3V

MOSFET Drive Reference Current for for VR Pin

Internal Bias Usage . . . . . . . . . . . . . . . . . . . . . . . . 20mA

Switch Node Current for SW Pin

Peak (Sink Or Source) . . . . . . . . . . . . . . . . . . . . . . . 10A

ESD Rating

Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . 2kV

Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . 500V

Thermal Resistance (Typical)

36 Ld QFN (Notes 4, 5) . . . . . . . . .

28

1

Junction Temperature Range . . . . . . . . . . -55°C to +150°C

Storage Temperature Range . . . . . . . . . . . -55°C to +150°C

Dissipation Limits (Note 6)

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Recommended Operating Conditions

Input Supply Voltage Range, VDDP, VDDS (See Figure 14)

VDDS tied to VR, VRA . . . . . . . . . . . . . . . . . .4.5V to 5.5V

VDDS tied to VR, VRA Floating. . . . . . . . . . . .5.5V to 7.5V

VR, VRA Floating . . . . . . . . . . . . . . . . . . . . . 7.5V to 14V

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact

product reliability and result in failures not covered by warranty.

NOTES:

features. See Tech Brief TB379.

6. Thermal impedance depends on layout.

7. Includes margin limits.

+85°C.

PARAMETER

CONDITIONS

MIN

(Note 18)

TYP

MAX

(Note 18)

UNIT

Input and Supply Characteristics

-

11

20

mA

-

15

30

mA

-

0.6

1

mA

VR Reference Output Voltage

6.5

7.0

7.5

V

VRA Reference Output Voltage

4.5

5.1

5.5

V

V2P5 Reference Output Voltage

2.25

2.5

2.75

V

Output Characteristics

Output Current

-

-

6

A

Output Voltage Adjustment Range (Note 9)

0.6

-

5.0

V

Output Voltage Setpoint Resolution

Set using resistors

-

10

-

mV

-

±0.025

-

% FS

(Note 10)

Vsen Output Voltage Accuracy

Includes line, load, temp

-1

-

1

%

Vsen Input Bias Current

VSEN = 5.5V

-

110

200

µA

Soft-start Delay Duration Range (Note 11)

Set using SS pin or resistor

(Note 19)

2

-

20

ms

0.002

-

500

s

ZL2106