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MAX20730 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX20730
Description  Integrated, Step-Down Switching Regulator with PMBus
PDF  31 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX20730 Datasheet(HTML) 4 Page - Maxim Integrated Products

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(Circuit of Figure 6, VDDH = 4.5V to 16V, TA = +32°C, unless otherwise noted. Typical values are at TA = +32°C. All devices 100%
tested at room temperature. Limits over temperature guaranteed by design.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT-VOLTAGE PROTECTION (OVP)
Overvoltage Protection, Rising
Threshold
OVP
Relative to programmed VOUT
9.5
13
16.5
%
OVP Deglitch Filter Time
8
µs
Power-Good Protection, Falling
Threshold
PWRGD
Relative to programmed VOUT
6
9
12
%
Power-Good Protection Rising
Threshold
3
6
9
%
Power-Good Deglitch Filter Time
8
µs
OVERCURRENT PROTECTION (OCP)
Positive OCP Inception Threshold
(Inductor Valley Current)
OCP
Selected by R_SELB
or PMBus
(Notes 6, 7, 8, 9)
OCP Setting 0
9.3
13.0
16.7
A
OCP Setting 1
11.8
16.6
21.3
OCP Setting 2
15.1
20.1
25.0
OCP Setting 3
18.1
23.6
29.1
Negative OCP Inception
Threshold (Inductor Valley
Current)
Selectable by R_
SELB or PMBus
OCP Setting 0
-19
A
OCP Setting 1
-23
OCP Setting 2
-26
OCP Setting 3
-30
Hysteresis
Hysteresis applies only to positive OCP
15
%
OVERTEMPERATURE PROTECTION (OTP)
OTP Inception Threshold
OTP
Default is 150, 130 is set through PMBus
(Note 7, 8, 9)
120
130
140
°C
140
150
160
Hysteresis
10
OE MAXIMUM VOLTAGE
OE Maximum Voltage
OE
Full VCC supply range; measured at the
OE pin (Note 6)
VDDH -
2.5
V
Rising Threshold
0.83
0.9
0.97
Hysteresis
0.2
OE Pin Input Resistance
200
275
350
kΩ
OE Deglitch Filter Time
(Note 9)
0.9
2.2
µs
STARTUP TIMING
Enable Time from OE Rise to
Start of BST Charge
tOE
After tINIT
16
µs
Soft-Start Ramp Time
tSS
3 or 1.5 can be bet by R_SELA; any value
can be set by PMBus (Note 7)
0.75
ms
1.5
3
6
BST Charging Time
tBST
8
µs
MAX20730
Integrated, Step-Down Switching
Regulator with PMBus
www.maximintegrated.com
Maxim Integrated │ 4
Electrical Characteristics (continued)



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