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SMB110 Datasheet(PDF) 11 Page - Summit Microelectronics, Inc.

Part # SMB110
Description  Five Channel Programmable DC-DC System Power Manager
PDF  34 Pages
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Manufacturer  SUMMIT [Summit Microelectronics, Inc.]
Direct Link  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMB110 Datasheet(HTML) 11 Page - Summit Microelectronics, Inc.

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SMB110
Preliminary Information
Summit Microelectronics, Inc
2099 2.3 3/1/2005
11
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
VACC
Threshold Voltage accuracy
0.2
%
TS
Temperature stability
0.2
%
AVOL
Open loop voltage Gain
At DC
60
dB
BW
Frequency bandwidth
At AV=0 dB
30
MHz
ISOURCE
Output source current
At 0.5V
20
µA
ISINK
Output sink current
At 0.5V
800
µA
LDO
VOUT
Nominal output voltage
LDO_SUPPLY = 4.2V,
ILOAD=0A
3.3
V
∆VOUT
Output voltage accuracy
Percent of 3.3V output @
10mA, LDO_SUPPLY = 4.2V
0.3
%
∆VLOAD
Load regulation error
0.3
%/V
∆VLINE
Line regulation error
No load
0.17
%/mA
PSRR
Power supply rejection ratio
20log(Vout/Vin) @ 10kHz
50
dB
IQ
Quiescent current
VBATT = 4.2V, ILOAD=0A
50
µA
IOUT = 1 mA
20
IOUT = 5 mA
100
IOUT = 10 mA
200
IOUT = 15 mA
300
VDO
Dropout voltage
IOUT = 20 mA
400
mV
ILIMIT
Maximum output current
40
mA
VN
Output Noise voltage
Peak to peak
1
mV
Inverting Output Block Channel 0
VOUT
Programmable voltage set point
range
VBATT=4.2V, ILOAD=0
-35
-0.5
V
∆VOUT
Output accuracy
Excluding external resistor
divider accuracy
0.5
%
VCOMP1
Feedback voltage reference
COMP1 pin
1.0
V
∆ VCOMP1
Feedback voltage reference
accuracy
COMP1 pin
-0.2
+0.2
%
ROH
17
RON
LSDRV Output ON resistance
ROL
3
Ω
High
85
95
D.C.
LSDRV Duty Cycle
Low
5
15
%
VREF_OUT
Level shift voltage reference
VREF_OUT pin programmable
in 8mV steps
1
2
V



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