SMB117 datasheet(10/32 Pages) SUMMIT

Il numero della parte	SMB117

Spiegazioni elettronici	High-power, Four-channel Programmable DC-DC System Power Managers

PDF	32 Pages

Scroll/Zoom	100%

Produttore elettronici	SUMMIT [Summit Microelectronics, Inc.]

Homepage	http://www.summitmicro.com

Logo

10 / 32 page

SMB113A/B/SMB117/A

Preliminary Information

Summit Microelectronics, Inc

2111 2.4 6/24/2008

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

AVOL

Open loop voltage Gain

At DC

Frequency bandwidth

At AVOL = 0 dB

MHz

ISOURCE

Output source current

At 0.5V

µA

ISINK

Output sink current

At 0.5V

800

µA

Output Block

VBATT= 4.2V, ILOAD=0

VOUT = VBATT x (duty cycle)

0.5

4.2

VOUT

Voltage set point range.

100% Maximum Duty cycle

VBATT= 6.0V, ILOAD=0

VOUT = VBATT x (duty cycle)

0.5

6.0

Commercial temperature range

-1.5

+1.5

∆VOUT

Output accuracy, excluding

external resistor divider

Industrial temperature range

-2.0

+2.0

Output high

RDRVH

HSDRV ON resistance

Output low

Output high

RDRVL

LSDRV ON resistance

Output low

Ω

VCOMP1

Feedback voltage reference

COMP1 pin

Programmable in 4mV steps

1.0

High Duty Cycle

100

100% Max Duty Cycle

Low Duty Cycle, Note 3

High Duty Cycle, Note 3

D.C.

90% Max Duty Cycle

Low Duty Cycle

Logic Levels

VIH

Input high voltage

0.7 x

VDD_CAP

6.0

VIL

Input low

0.3 x

VDD_CAP

VOL

Open drain outputs

ISINK = 1mA

0.4

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