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MAX16990ATCF Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX16990ATCF
Description  36V, 2.5MHz Automotive Boost SEPIC Controllers
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX16990ATCF Datasheet(HTML) 3 Page - Maxim Integrated Products

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Electrical Characteristics (continued)
(VSUP = 14V, TA = TJ = -40NC to +125NC, unless otherwise noted. Typical values are at TA =+25NC.) (Note 2)
www.maximintegrated.com
Maxim Integrated │ 3
MAX16990/MAX16992
36V, 2.5MHz Automotive Boost/
SEPIC Controllers
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Switching Frequency
fSW
RFSET = 69kI
360
400
440
kHz
RFSET = 12kI
2000
2200
2400
Spread-Spectrum Spreading
Factor
SS
B, D, and F versions
Q
6
% of
fSW
Switching Frequency Range
fSWR
When set with
resistor on pin
MAX16990
100
1000
kHz
MAX16992
1000
2500
FSET/SYNC Frequency Range
fSYNC
Using external
SYNC signal
MAX16990
220
1000
kHz
MAX16992
1000
2500
FSET Regulation Voltage
VFSET
12kI < RFSET < 69kI
0.9
V
Soft-Start Time
tSS
Internally set
6
9
12
ms
Hiccup Period
tHICCUP
55
ms
Maximum Duty Cycle
DCMAX
MAX16990, RFSET = 69kI
93
%
MAX16992, RFSET = 12kI
85
Minimum On-Time
tON
50
80
110
ns
THERMAL SHUTDOWN
Thermal-Shutdown Temperature
TS
Temperature rising
165
N
C
Thermal-Shutdown Hysteresis
TH
10
N
C
GATE DRIVERS
DRV Pullup Resistance
RDRVH
IDRV = 100mA
3
5.5
I
DRV Pulldown Resistance
RDRVL
IDRV = -100mA
1.4
2.5
I
DRV Output Peak Current
IDRV
Sourcing, CDRV = 10nF
0.75
A
Sinking, CDRV = 10nF
1
REGULATION/CURRENT SENSE
FB Regulation Voltage
VFB
VREFIN = VPVL
Across full line, load,
and temperature
range
0.99
1
1.01
V
VREFIN = 2V
1.98
2
2.02
VREFIN = 0.5V
0.495
0.5
0.505
FB Input Current
IFB
-0.5
+0.5
F
A
ISNS Threshold
212
250
288
mV
ISNS Leading-Edge Blanking
Time
tBLANK
MAX16990
60
ns
MAX16992
40
Current-Sense Gain
AVI
8
V/V
Peak Slope Compensation
Current-Ramp Magnitude
Added to ISNS input
40
50
60
F
A
PGOOD Threshold
VPG
Percentage of final
value
Rising
85
90
95
%
Falling
80
85
90


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