max5042atnt Maxim Integrated Products, Inc., max5042atnt Datasheet - Page 4
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max5042atnt
Manufacturer Part Number
max5042atnt
Description
Two-switch Power Ics With Integrated Power Mosfets And Hot-swap Controller
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX5042ATNT.pdf
(22 pages)
ELECTRICAL CHARACTERISTICS (continued)
(V
0.22µF, R
otherwise noted. Typical values are at V
unless otherwise noted.)
Two-Switch Power ICs with Integrated
Power MOSFETs and Hot-Swap Controller
4
SYNC Leakage Current
SYNC Maximum Frequency
SYNC On-Time
SYNC Off-Time
PWM LOGIC
PWM Comparator Propagation
Delay
PPWM to XFRMRL Delay
DRVDEL Reference Voltage
PPWM Output High
PPWM Output Low
PWMSD Logic High
PWMSD Logic Low
PWMSD Leakage Current
SOFT-START
Soft-Start Current
Minimum OPTO Voltage
RAMP GENERATOR
Minimum RCFF Voltage
RCFF Leakage
OVERLOAD FAULT
FLTINT Pulse Current
FLTINT Trip Point
FLTINT Hysteresis
INTERNAL POWER FETs
On-Resistance
Off-State Leakage Current
Total Gate Charge Per FET
HIGH-SIDE DRIVER
Low-to-High Latency
High-to-Low Latency
Output Drive Voltage
LOW-SIDE DRIVER
Low-to-High Latency
POSINPWM
_______________________________________________________________________________________
DRVDEL
PARAMETER
= 20V to 76V, V
= 10kΩ, C
DRVDEL
REG15
= 18V, C
= 0.22µF, V
SYMBOL
R
I
f
FLTINT
POSINPWM
SYNC
I
DSON
CSS
REG15
CSS
PPWM rising
Sourcing 2mA
Sinking 2mA
CSS = 0, sinking 2mA
RCFF sinking 2mA
V
I
Inferred from supply current with V
Driver delay until FET V
(V
Driver delay until FET V
(V
BST to XFRMRH with high side on
Driver delay until FET V
V
DS
= 48V, T
= 4.7µF, C
D R V I N
DRVIN
BST
BST
= V
= 190mA
- V
- V
CSP
= V
XFRMRH
XFRMRH
A
BS T
= V
= +25°C, unless otherwise noted. All voltages are referred to PWMNEG,
REG9
CSN
= 9V , V
CONDITIONS
)
)
= 1µF, C
= V
X F RM RH
RAMP
GS
GS
GS
reaches 0.9 x
reaches 0.1 x
reaches 0.9 x
REG5
= V
= V
= 1µF, R
PWMNEG
S R C
D S
= 0,
= 50V
RCOSC
= V
NEGIN
1.14
MIN
200
2.8
3.5
2.0
= 24kΩ, C
50
= 0, T
±0.1
TYP
0.75
120
2.4
1.4
2.1
2.7
A
70
33
80
75
45
80
45
80
8
RCOSC
= T
MIN
= 100pF, C
MAX
1.38
200
0.4
0.8
3.5
±1
±1
±1
10
to T
MAX
UNITS
, unless
MHz
mΩ
nC
µA
µA
µA
µA
µA
µA
ns
ns
ns
ns
ns
ns
ns
BST
V
V
V
V
V
V
V
V
V
V
=