SMB113A/B/SMB117/A

Preliminary Information

Summit Microelectronics, Inc

2111 2.4 6/24/2008

10

DC OPERATING CHARACTERISTICS (CONTINUED)

(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Error Amplifier

Open loop voltage Gain

At DC

60

dB

BW

Frequency bandwidth

30

MHz

Output source current

At 0.5V

20

µA

Output sink current

At 0.5V

800

µA

Output Block

0.5

4.2

Voltage set point range.

100% Maximum Duty cycle

0.5

6.0

V

Commercial temperature range

-1.5

+1.5

Output accuracy, excluding

external resistor divider

1

Industrial temperature range

-2.0

+2.0

%

Output high

2

HSDRV ON resistance

Output low

2

Output high

2

LSDRV ON resistance

Output low

2

Ω

Feedback voltage reference

COMP1 pin

Programmable in 4mV steps

1.0

V

High Duty Cycle

100

100% Max Duty Cycle

Low Duty Cycle, Note 3

35

High Duty Cycle, Note 3

70

D.C.

90% Max Duty Cycle

Low Duty Cycle

0

%

Logic Levels

Input high voltage

0.7 x

VDD_CAP

6.0

V

Input low

0

0.3 x

VDD_CAP

V

Open drain outputs

0

0.4

V