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MAX16909RAUE+ Folha de dados(PDF) 3 Page - Maxim Integrated Products

Nome de Peças MAX16909RAUE+
Descrição Electrónicos  36V, 220kHz to 1MHz Step-Down Converter with Low Operating Current
PDF  20 Pages
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Fabricante Electrônico  MAXIM [Maxim Integrated Products]
Página de início  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX16909RAUE+ Folha de dados(HTML) 3 Page - Maxim Integrated Products

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Maxim Integrated
MAX16909
36V, 220kHz to 1MHz Step-Down Converter
with Low Operating Current
ELECTRICAL CHARACTERISTICS (continued)
(VSUP = VSUPSW = 14V, VEN = 14V, RFOSC = 66.5kI, TA = TJ = -40NC to +125NC, unless otherwise noted. Typical values are at
TA = +25NC.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Skip-Mode Output Voltage
VOUT_SKIP
No load, VFB = VBIAS
4.925
5
5.15
V
Adjustable Output Voltage
Range
VOUT_ADJ
FB connected to external resistive divider
1
10
V
Load Regulation
VFB = VBIAS, 30mA < ILOAD < 3A
0.5
%
Line Regulation
VFB = VBIAS, 6V < VSUPSW < 36V
0.02
%/V
BST Input Current
IBST_ON
High-side on, VBST - VLX = 5V
1.5
2.5
mA
LX Current Limit
ILX
(Note 2)
3.4
4.1
6
A
Skip-Mode Threshold
ISKIP_TH
300
mA
Power-Switch On-Resistance
RON
RON measured between SUPSW and LX,
ILX = 1A, VBIAS = 5V
70
150
mI
High-Side Switch Leakage
Current
VSUP = 36V, VLX = 0V, TA = +25°C
1
F
A
TRANSCONDUCTANCE AMPLIFIER (COMP)
FB Input Current
IFB
10
nA
FB Regulation Voltage
VFB
FB connected to an external resistive
divider; 0°C < TA < +125°C
0.99
1.0
1.01
V
-40°C < TA < +125°C
0.985
1.0
1.015
FB Line Regulation
D
VLINE
6V < VSUP < 36V
0.02
%/V
Transconductance (from FB to
COMP)
gm
VFB = 1V, VBIAS = 5V (Note 2)
900
F
S
Minimum On-Time
tON_MIN
(Note 2)
110
ns
Maximum Duty Cycle
DCMAX
fSW = 1MHz
98
%
fSW = 220kHz
99
OSCILLATOR FREQUENCY
Oscillator Frequency
RFOSC = 66.5kI
360
400
444
kHz
EXTERNAL CLOCK INPUT (FSYNC)
FSYNC Input Current
TA = +25°C
1
F
A
External Input Clock Acquisition
Time
tFSYNC
1
Cycles
External Input Clock Frequency
(Note 2)
fOSC +
10%
Hz
External Input Clock
High Threshold
VFSYNC_HI
VFSYNC rising
1.4
V
External Input Clock
Low Threshold
VFSYNC_LO
VFSYNC falling
0.4
V
Soft-Start Time
tSS
8.5
ms



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