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MAX17536 数据表(PDF) 4 Page - Maxim Integrated Products

部件名 MAX17536
功能描述  4.5V to 60V, 4A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
PDF  19 Pages
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制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX17536 数据表(HTML) 4 Page - Maxim Integrated Products

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Note 3: All electrical specifications are 100% production tested at TA = +25°C. Specifications over the operating temperature range
areguaranteedbydesignandcharacterization.
Note 4: See the Overcurrent Protection/Hiccup Mode section for more details.
(VIN = VEN/UVLO=24V,RRT=open(450kHz),CVCC = 2.2µF, VPGND = VSGND = VMODE/SYNC=0V,LX=SS=RESET = open, VBST
to VLX = 5V, VFB = 1V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C. All voltages are referenced
toSGND,unlessotherwisenoted.)(Note3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
CURRENT LIMIT
PeakCurrent-LimitThreshold
IPEAK-LIMIT
R
DL=openorRDL=174kΩ
5.45
6.5
7.55
A
R
DL=61.9kΩorRDL=26.1kΩ
4.05
5
5.95
A
RunawayCurrent-LimitThreshold
IRUNAWAY-LIMIT
R
DL=openorRDL=174kΩ
6.25
7.5
8.75
A
R
DL=61.9kΩorRDL=26.1kΩ
5
6
7
A
NegativeCurrent-LimitComparator
VoltageReference
MODE = open or MODE = VCC
0
mV
MODE=GND
42
50
58
PFMCurrent-LimitThreshold
IPFM
MODE = open
2
A
RT
Switching Frequency
fSW
RRT=196kΩ
90
100
110
kHz
RRT=93.1kΩ
180
200
220
RRT = open
420
450
480
RRT=6.98kΩ
1950
2200 2450
VFBUndervoltageTripLevelto
CauseHiccup
VFB-HICF
0.56
0.58
0.61
V
HICCUPTimeout
(Note 3)
32768
Cycles
Minimum On-Time
tON-MIN
95
160
ns
MinimumOff-Time
tOFF-MIN
140
160
ns
LXDeadTime
22
ns
RESET
RESET
OutputLevelLow
IRESET = 10mA
0.200
V
RESET
OutputLeakageCurrent
TA = TJ = +25°C, VRESET = 5.5V
-0.1
+0.1
µA
VOUT Threshold for RESET
Assertion
VFB-OKF
VFB falling
90.4
92.5
94.6
%
VOUT Threshold for RESET
Deassertion
VFB-OKR
VFB rising
93.4
95.5
97.7
%
RESET
Deassertion Delay After FB
Reaches95%Regulation
1024
Cycles
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Temperature rising
165
°C
Thermal-ShutdownHysteresis
10
°C
Maxim Integrated │ 4
MAX17536
4.5V to 60V, 4A, High-Efficiency, Synchronous
Step-Down DC-DC Converter
with Internal Compensation
www.maximintegrated.com
Electrical Characteristics
Electrical Characteristics



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