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MAX16993 View Datasheet(PDF) - Maxim Integrated

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MAX16993 Datasheet PDF : 0 Pages
MAX16993
Step-Down Controller with
Dual 2.1MHz Step-Down DC-DC Converters
Electrical Characteristics (continued)
(VSUP = 14V, VPV1 = VBIAS, VPV2 = VPV3 = VOUT1; TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at
TA = +25°C under normal conditions, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
OUT2 AND OUT3: LOW-VOLTAGE SYNCHRONOUS STEP-DOWN DC-DC CONVERTERS
Supply Voltage Range
Supply Current
Skip Mode Peak Current
Voltage Accuracy
Feedback-Voltage Accuracy
Load Regulation
LX_ On-Resistance High
LX_ On-Resistance Low
Current-Limit Threshold
LX_ Rise/Fall Time
Soft-Start Ramp Time
VSUP
IPV_
VOUT
ILMAX
VEN_ = 5V, no load
0A ≤ ILOAD ≤ IMAX, PWM mode
Adjustable mode, IOUT2 = 0mA
0A ≤ ILOAD ≤ IMAX (PWM mode)
ILX_ = -800mA
ILX_ = 800mA
IMAX = 3.0A option (see the Selector Guide)
IMAX = 1.5A option (see the Selector Guide)
PV2 = PV3 = 3.3V, IOUT_ = 2A
2.7
5.5
0.1
5
0.2 x ILMAX
-3.0
+3.0
0.806 0.815 0.824
-1.5
-1.0
70
110
50
90
5.0
5.6
2.5
3.0
4
2.5
LX_ Leakage Current
0.01
Duty-Cycle Range
PWM mode
15
100
LX_ Discharge Resistance
22
48
RESET_
Reset Threshold
Rising (relative to nominal output voltage)
92
95
98
Falling (relative to nominal output voltage)
90
92
95
See the Selector Guide
(16,384 clocks)
7.8
See the Selector Guide
(8192 clocks)
3.9
OUT1 Active Timeout Period
See the Selector Guide
(4096 clocks)
1.9
See the Selector Guide
(256 clocks)
0.1
See the Selector Guide
(16,384 clocks)
7.8
OUT2, OUT3 Active
See the Selector Guide
(8192 clocks)
3.9
Timeout Period
See the Selector Guide
(4096 clocks)
1.9
See the Selector Guide
(256 clocks)
0.1
Output Low Level
Propagation Time
ISINK = 3mA
OUT1, 5% below threshold
OUT2/OUT3, 5% below threshold
0.1
0.2
5
10
20
2
4
8
UNITS
V
µA
mA
%/A
mΩ
mΩ
A
ns
ms
µA
%
%
ms
ms
V
µs
µs
www.maximintegrated.com
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