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WM8311 датащи(PDF) 19 Page - Wolfson Microelectronics plc

номер детали WM8311
подробное описание детали  Processor Power Management Subsystem
PDF  302 Pages
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производитель  WOLFSON [Wolfson Microelectronics plc]
домашняя страница  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8311 датащи(HTML) 19 Page - Wolfson Microelectronics plc

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Pre-Production
WM8311
w
PP, May 2012, Rev 3.1
19
7.2
DC-DC STEP UP CONVERTER
DC-DC4
Unless otherwise noted: VIN = 3.8V, TJ = -40°C to +125°C; typical values are at TJ = 25°C
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage
VIN
VIN = SYSVDD
2.7
5.5
V
Output Voltage
VOUT
6.5
30
V
Load Current
ILOAD
VOUT ≤ 8V
0
90
mA
VOUT = 6.5V to 20V
0
40
VOUT = 20V to 30V
0
25
Quiescent
Current
IQ
DC4_ENA=1
330
A
Shutdown
Current
ISD
DC4_ENA=0
0.1
1
A
N-channel On
Resistance
RDSN
150
m
Regulated
feedback
voltage
VISINKn
500
mV
Out of regulation
level
VISINKn
440
mV
Overvoltage
detection
VDC4FB
500
mV
Switching
frequency
FSW
1
MHz
N-channel
Current limit
IN_LIM
800
mA
7.3
CURRENT SINKS
Unless otherwise noted: TJ = -40°C to +125°C; Typical values are at TJ = +25ºC
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Sink Current
IISINKn
0.3 <= VISINKn <=
SYSVDD
2
28000
A
Current Accuracy
IISINKn
IISINKn =12mA, VISINKn
= 0.5V
TBD
V
Current matching
IISINKn
IISINKn =12mA, VISINKn
= 0.5V
TBD



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