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MAX20077 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX20077
Description  36V, 2.5A Mini Buck Converters with 3.5μA IQ
PDF  18 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX20077 Datasheet(HTML) 4 Page - Maxim Integrated Products

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(VSUP = VEN, VSUP = 14V, VSYNC = 0V, VOUT = 5V, TJ = -40°C to +150°C, unless otherwise noted.) (Notes 2 and 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
Low-Side Switch On-Resistance
RON,LS
VBIAS = 5V, ILX = 1A
70
125
mΩ
High-Side Current-Limit Threshold
ILIM
MAX20077ATCA/VY+, MAX20077ATCB/VY+,
MAX20077ATCD/VY+, MAX20077ATCE/VY+
3.05
3.50
3.95
A
MAX20077ATCC/VY+
2.55
2.90
3.25
MAX20077ATCE2/VY+, MAX20077ATCB2/VY+
MAX20077ATCD2/VY+
4.10
4.70
5.30
Low-Side Negative Current-Limit
Threshold
INEG
-1.2
A
Soft-Start Ramp Time (Note 5)
ISS
MAX20077ATCA/VY+, MAX20077ATCB/VY+,
MAX20077ATCC/VY+, MAX20077ATCB2/VY+
3.5
5
ms
MAX20077ATCD/VY+, MAX20077ATCD2/VY+,
MAX20077ATCE/VY+, MAX20077ATCE2/VY+
5.5
7.5
Minimum On-Time
tON
MAX20077ATCC/VY+
20
ns
MAX20077ATCA/VY+, MAX20077ATCB/VY+,
MAX20077ATCB2/VY+, MAX20077ATCD/VY+,
MAX20077ATCD2/VY+, MAX20077ATCE/VY+,
MAX20077ATCE2/VY+
65
80
ns
Maximum Duty Cycle
MAX20077ATCA/VY+, MAX20077ATCB/VY+,
MAX20077ATCB2/VY+, MAX20077ATCD/VY+,
MAX20077ATCD2/VY+, MAX20077ATCE/VY+,
MAX20077ATCE2/VY+
98
99
%
PWM Switching Frequency
fSW
MAX20077ATCA/VY+, MAX20077ATCB/VY+,
MAX20077ATCB2/VY+, MAX20077ATCC/VY+
1.925
2.1
2.275
MHz
MAX20077ATCD/VY+, MAX20077ATCD2/VY+,
MAX20077ATCE/VY+, MAX20077ATCE2/VY+
360
400
440
kHz
Spread-Spectrum Range
SS
VSPS = 5V
±3
%
PGOOD
PGOOD Threshold, Rising
VTHR,PGD VOUT rising
91
93
95
%
PGOOD Threshold, Falling
VTHF,PGD VOUT falling
90
92
94
%
PGOOD Debounce Time
tDEB
MAX20077ATCA/VY+,
MAX20077ATCB2/VY+
MAX20077ATCB/VY+,
MAX20077ATCC/VY+
PWM mode
60
µs
Skip mode
90
MAX20077ATCD/VY+,
MAX20077ATCE/VY+,
MAX20077ATCD2/VY+,
MAX20077ATCE2/VY+
PWM mode
80
Skip mode
110
PGOOD High-Leakage Current
ILEAK,PGD TA = +25°C
1
µA
PGOOD Low Level
VOUT,PGD Sinking 1mA
0.4
V
Electrical Characteristics (continued)
MAX20077/MAX25277
36V, 2.5A Mini Buck Converters with 3.5μA IQ
www.maximintegrated.com
Maxim Integrated │ 4



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