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SMB214B Fiches technique(PDF) 9 Page - Summit Microelectronics, Inc.

No de pièce SMB214B
Description  High-power, Three-channel Programmable DC-DC System Power Managers
Download  26 Pages
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Fabricant  SUMMIT [Summit Microelectronics, Inc.]
Site Internet  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMB214B Fiches technique(HTML) 9 Page - Summit Microelectronics, Inc.

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SMB214A/B/C
Summit Microelectronics, Inc
2128 2.0 6/20/2008
9
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
60
dB
BW
Frequency bandwidth
At AVOL = 0 dB
30
MHz
ISOURCE
Output source current
At 0.5V
20
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
V
Commercial temperature range
-2.5
+2.5
∆VOUT
Output accuracy, Note 1
Industrial temperature range
-2.5
+2.5
%
Output high
2
RDRVH
HSDRV ON resistance
Output low
2
Output high
2
RDRVL
LSDRV ON resistance
Output low
2
VCOMP1
Feedback voltage reference
COMP1 pin
Programmable in 4mV steps
1.0
V
High Duty Cycle
100
100% Max Duty Cycle
Low Duty Cycle
35
High Duty Cycle
70
D.C.
90% Max Duty Cycle
Low Duty Cycle
0
%
Logic Levels
VIH
Input high voltage
0.7 x
VDD_CAP
6.0
V
VIL
Input low
0
0.3 x
VDD_CAP
V
VOL
Open drain outputs
ISINK = 1mA
0
0.4
V


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