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MAX15014 bảng dữ liệu(PDF) 3 Page - Maxim Integrated Products

tên linh kiện MAX15014
Giải thích chi tiết về linh kiện  1A, 4.5V to 40V Input Buck Converters with 50mA Auxiliary LDO Regulators
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nhà sản xuất  MAXIM [Maxim Integrated Products]
Trang chủ  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX15014 bảng dữ liệu(HTML) 3 Page - Maxim Integrated Products

  MAX15014 Datasheet HTML 1Page - Maxim Integrated Products MAX15014 Datasheet HTML 2Page - Maxim Integrated Products MAX15014 Datasheet HTML 3Page - Maxim Integrated Products MAX15014 Datasheet HTML 4Page - Maxim Integrated Products MAX15014 Datasheet HTML 5Page - Maxim Integrated Products MAX15014 Datasheet HTML 6Page - Maxim Integrated Products MAX15014 Datasheet HTML 7Page - Maxim Integrated Products MAX15014 Datasheet HTML 8Page - Maxim Integrated Products MAX15014 Datasheet HTML 9Page - Maxim Integrated Products Next Button
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(VIN_SW = VIN_LDO = VDRAIN = 14V, VEN_SYS = VEN_SW = 2.4V, VREG = VDVREG, VSYNC = VSET_LDO = VSGND = VPGND = 0V,
CREG = 1μF, CIN_SW = 0.1μF, CIN_LDO = 0.1μF, CLDO_OUT = 10μF, CDRAIN = 0.22μF, TA = TJ = -40°C to +125°C, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Undervoltage Lockout
Threshold
UVLOTH
VIN_SW and IN_LDO rising, MAX15014/
MAX15017
6.7
7.0
7.4
V
VIN_SW and IN_LDO rising, MAX15015/
MAX15016
3.90
4.08
4.25
Undervoltage Lockout
Hysteresis
UVLOHYST
MAX15014/MAX15017
0.54
V
MAX15015/MAX15016
0.3
Output Voltage Range
VOUT
Minimum output
1.26
V
Maximum output
32
Output Current
IOUT
1
A
EN_SW Input Voltage
Threshold
VEN_SWH EN_SW = high, switching power supply is on
2.4
V
VEN_SWL EN_SW = low, switching power supply is off
0.8
EN_SW Hysteresis
220
mV
Switching Enable Input Current
IEN_SW
VEN_SW = 2.4V
0.5
2
µA
VEN_SW = 14V
0.6
2
INTERNAL VOLTAGE REGULATOR
Output Voltage
VREG
MAX15014/MAX15017, VIN_SW = 9V to 40V
7.6
8.4
V
MAX15015/MAX15016, VIN_SW = 5.5V to 40V
4.75
5.25
Line Regulation
VIN_SW = 9.0V to 40V, MAX15014/MAX15017
1
mV/V
VIN_SW = 5.5V to 40V, MAX15015/MAX15016
1
Load Regulation
IREG = 0 to 20mA
0.25
V
Dropout Voltage
VIN_SW = 7.5V (MAX15014/MAX15017),
VIN_SW = 4.5V (MAX15015/MAX15016),
IREG = 20mA
0.5
V
OSCILLATOR
Frequency Range
fCLK
VSYNC = 0V, MAX15014/MAX15016
122
136
150
kHz
VSYNC = 0V, MAX15015/MAX15017
425
500
575
Maximum Duty Cycle
DMAX
VSYNC = 0V, VIN_SW = 7.5V, MAX15014
(135kHz)
90
98
%
VSYNC = 0V, VIN_SW = 4.5V, MAX15016
(135kHz)
90
98
VSYNC = 0V, VIN_SW = 4.5V, MAX15015
(500kHz)
90
96
VSYNC = 0V, VIN_SW = 7.5V, MAX15017
(500kHz)
90
98
Minimum LX Low Time
VSYNC = 0V
94
ns
SYNC High-Level Voltage
2.2
V
SYNC Low-Level Voltage
0.8
MAX15014–MAX15017
1A, 4.5V to 40V Input Buck Converters with
50mA Auxiliary LDO Regulators
www.maximintegrated.com
Maxim Integrated │ 3
Electrical Characteristics (continued)



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