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MAX25232ATCH/V+ датащи(PDF) 4 Page - Maxim Integrated Products

номер детали MAX25232ATCH/V+
подробное описание детали  36V, 3A Mini Buck Converters with 3.5關A IQ
PDF  19 Pages
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производитель  MAXIM [Maxim Integrated Products]
домашняя страница  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX25232ATCH/V+ датащи(HTML) 4 Page - Maxim Integrated Products

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Electrical Characteristics (continued)
(VSUP = VEN, VSUP = 14V, VSYNC = 0V, VOUT = 5V, TJ = -40°C to +150°C, unless otherwise noted. (Notes 2 and 5))
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LX Leakage
ILX,LEAK
VSUP = 40V, LX = 0 or 40V, TA = +25°C
-1
+1
µA
Undervoltage Lockout
UVLO
VBIAS rising
2.53
2.73
2.93
V
Hysteresis
0.13
BIAS Voltage
VBIAS
5.5V ≤ VSUP ≤ 36V, PWM mode
5
V
BUCK CONVERTER
Voltage Accuracy, 5V
VOUT,5V
MAX25232ATCA,
MAX25232ATCD
Skip mode (Note 3)
4.85
4.99
5.1
Fixed-frequency
PWM mode
4.93
5
5.07
Voltage Accuracy, 3.3V
VOUT,3.3V
MAX25232ATCB,
MAX25232ATCE
Skip mode (Note 3)
3.2
3.3
3.37
Fixed-frequency
PWM mode
3.25
3.3
3.35
Voltage Accuracy, 4V
VOUT,4V
MAX25232ATCH
Skip Mode (Note 3)
3.88
4
4.12
V
Fixed-frequency
PWM mode
3.92
4
4.08
Output Voltage Range
VOUT
MAX25232ATCF, MAX25232ATCG
3
10
V
FB Voltage Accuracy
VFB
MAX25232ATCF, MAX25232ATCG
0.985
1
1.015
V
FB Current
IFB
MAX25232ATCF,
MAX25232ATCG
VFB = 1V, TA =
+25°C
0.02
µA
FB Line Regulation
MAX25232ATCF,
MAX25232ATCG
VSUP = 6V to 36V
0.02
%/V
High-Side Switch On-
Resistance
RON,HS
VBIAS = 5V, ILX = 1A
70
mΩ
Low-Side Switch On-
Resistance
RON,LS
VBIAS = 5V, ILX = 1A
70
mΩ
High-Side Current-Limit
Threshold
ILIM
MAX25232ATCA, MAX25232ATCB,
MAX25232ATCG, MAX25232ATCH
3.05
3.50
3.95
A
MAX25232ATCD, MAX25232ATCE,
MAX25232ATCF
4.10
4.70
5.60
Low-Side Negative
Current-Limit Threshold
INEG
-1.2
A
Soft-Start Ramp Time
(Note 4)
ISS
MAX25232ATCA, MAX25232ATCB,
MAX25232ATCG, MAX25232ATCH
3.5
5
ms
MAX25232ATCD, MAX25232ATCE,
MAX25232ATCF
5.5
7.5
Minimum On-Time
tON
(Note 3)
65
ns
Maximum Duty Cycle
98
99
%
PWM Switching
Frequency
fSW
MAX25232ATCA, MAX25232ATCB,
MAX25232ATCG, MAX25232ATCH
1.925
2.1
2.275
MHz
MAX25232ATCD, MAX25232ATCE,
MAX25232ATCF
360
400
440
kHz
Spread-Spectrum
Range
SS
VSPS = 5V
±3
%
MAX25232
36V, 3A Mini Buck Converters with 3.5μA IQ
www.maximintegrated.com
Maxim Integrated | 4



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