SMB113A/B/SMB117/A

Preliminary Information

Summit Microelectronics, Inc

2111 2.6 9/16/2010

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

Voltage set point range.

100% Maximum Duty cycle

0.5

4.2

V

0.5

6.0

Output accuracy, excluding

external resistor divider

1

Commercial temperature range

-1.5

+1.5

%

Industrial temperature range

-2.0

+2.0

HSDRV ON resistance

Output high

2

Ω

Output low

2

LSDRV ON resistance

Output high

2

Output low

2

Feedback voltage reference

COMP1 pin

Programmable in 4mV steps

1.0

V

D.C.

100% Max Duty Cycle

High Duty Cycle

100

%

Low Duty Cycle, Note 3

35

90% Max Duty Cycle

High Duty Cycle, Note 3

70

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