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MAX20735 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX20735
Description  Integrated, Step-Down Switching Regulator
PDF  26 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX20735 Datasheet(HTML) 4 Page - Maxim Integrated Products

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(Circuit of Figure 6, VDDH = 4.5V to 16V, TA = +25°C, unless otherwise specified. Typical values are at TA = +25°C. All devices are
tested at TA = +25°C. Limits over temperature are guaranteed by design.)
MAX20735
Integrated, Step-Down Switching Regulator
www.maximintegrated.com
Maxim Integrated │ 4
Electrical Characteristics (continued)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OUTPUT-VOLTAGE PROTECTION (OVP)
Overvoltage Protection Rising
Threshold
OVP
Relative to programmed VOUT
9.7
13
16.3
%
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_SEL3
(Notes 5, 7, 8, 9)
Setting 0
16.3
21
26.1
A
Setting 1
20.8
27
33.0
Setting 2
24.6
32
39.9
Setting 3
30.6
38
45.5
Hysteresis of Positive OCP
20
%
Negative OCP Inception
Threshold (Inductor Valley
Current)
Selected by R_SEL3
Setting 0
-28.1
Setting 1
-33.2
Setting 2
-38.6
Setting 3
-43.8
Hysteresis of Negative OCP
0
%
OVERTEMPERATURE PROTECTION (OTP)
OTP Inception Threshold
OTP
Selected by R_SEL2 (Notes 7, 8, 9)
120
130
140
°C
140
150
160
Hysteresis
10
°C
OE MAXIMUM VOLTAGE
OE Max Voltage
OE
VDDH -
2.5
V
Rising Threshold
Measured at OE pin (Note 5)
0.83
0.9
0.97
V
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
Set by R_SEL1 (Note 7)
1.5
ms
3
ms
BST Charging Time
tBST
8
µs



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