MAX5043ETN+ Maxim Integrated Products, MAX5043ETN+ Datasheet - Page 5

• Manufacturer Part Number: MAX5043ETN+
• Description: IC PWR W/MOSFET HS 56-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX5043ETN+

• Package / Case: 56-TQFN
• Voltage - Supply: 20 V ~ 76 V
• Frequency-max: 500kHz
• Operating Temperature: -40°C ~ 85°C
• Number Of Outputs: 1
• Duty Cycle: 47%
• Pwm Type: Voltage/Current Mode
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
0.22µF, R
otherwise noted. Typical values are at V
unless otherwise noted.)
High-to-Low Latency
CURRENT-SENSE COMPARATOR
Current-Limit-Comparator
Threshold Voltage
Current-Limit-Comparator
Propagation Delay
CURRENT-SENSE AMPLIFIER
Current Amplifier Gain
Input Voltage Offset
Input Common-Mode Range
Input Differential-Mode Range
CSP Input Bias Current
CSN Input Bias Current
Settling Time
3dB Bandwidth
BOOST VOLTAGE CIRCUIT
QB R
Driver Output Delay
One-Shot Pulse Width
THERMAL SHUTDOWN
Shutdown Temperature
Thermal Hysteresis
PWM CONVERTER UNDERVOLTAGE LOCKOUT (UVLO)
Preset UVLO Threshold
UVLO Threshold Hysteresis
UVLO Resistance
UVLO Trip Point
UVLO Hysteresis
Preset DEN Threshold
DEN Threshold Hysteresis
DEN Startup Delay
DEN Turn-Off Delay
DEN Trip Point
POSINPWM
DS(ON)
DRVDEL
PARAMETER
= 20V to 76V, V
= 10kΩ, C
Power MOSFETs and Hot-Swap Controller
_______________________________________________________________________________________
Two-Switch Power ICs with Integrated
DRVDEL
REG15
= 18V, C
= 0.22µF, V
SYMBOL
POSINPWM
REG15
CSS
Driver delay until FET V
0.1 x V
10mV overdrive
V
V
Inferred from current amplifier gain test
V
V
V
settling time, C
Sinking 100mA
Temperature rising
Measured at POSINPWM rising
Looking into UVLO
Measured at UVLO rising
MAX5043 only, measured at POSINPWM
rising
MAX5043 only
MAX5043 only
MAX5043 only
MAX5043 only, rising with respect to
PWMNEG
= 48V, T
CSN
CN
CSP
CSP
CSN
= 4.7µF, C
= V
= V
= -0.3V to +0.3V, V
= -0.3V to +0.3V, V
= 0, V
= 0, V
CSP
DRVIN
CSP
A
= V
= +25°C, unless otherwise noted. All voltages are referred to PWMNEG,
CSP
CSP
REG9
= -0.3V to +0.3V
L
CSN
CONDITIONS
= 0 to 0.35V
steps from 0 to 0.2V, 10%
= 20pF
= 1µF, C
= V
GS
RAMP
CSN
CSN
reaches
REG5
= 0
= 0
= V
= 1µF, R
PWMNEG
RCOSC
= V
NEGIN
-160
-160
MIN
9.75
1.15
1.11
-0.3
140
185
3.5
0.2
28
30
27
= 24kΩ, C
= 0, T
+127
TYP
14.5
1.27
156
200
200
300
150
3.1
0.7
45
40
10
70
10
31
12
A
7
3
RCOSC
= T
MIN
10.25
MAX
+0.3
= 100pF, C
0.35
1.39
27.0
1.35
172
230
-40
-30
1.5
20
34
75
34
to T
MAX
UNITS
, unless
MHz
mV
V/V
mV
mV
ms
ms
µA
µA
kΩ
ns
ns
ns
ns
ns
°C
°C
Ω
V
V
V
V
V
V
V
V
BST
5
=