MAX5043ETN+ Maxim Integrated Products, MAX5043ETN+ Datasheet - Page 6

• 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

Two-Switch Power ICs with Integrated
Power MOSFETs and Hot-Swap Controller
ELECTRICAL CHARACTERISTICS (continued)
(V
0.22µF, R
otherwise noted. Typical values are at V
unless otherwise noted.)
6
DEN Hysteresis
DEN Input Resistance
SUPPLY CURRENT
Supply Current
Standby Supply Current
HOT-SWAP CONTROLLER (MAX5042 Only)
Hot-Swap UVLO Threshold
Hot-Swap UVLO Hysteresis
Hot-Swap UVLO Resistance
Startup Delay
HSEN Turn-Off Delay
HSOK Output-High Leakage
Current
HSEN Reference Threshold
HSEN Hysteresis
HSOK Output Low Voltage
HSGATE Voltage High
Hot-Swap Slew Rate
POSINPWM
_______________________________________________________________________________________
DRVDEL
PARAMETER
= 20V to 76V, V
= 10kΩ, C
DRVDEL
REG15
= 18V, C
= 0.22µF, V
SYMBOL
POSINPWM
REG15
CSS
MAX5043 only
MAX5043 only, looking into DEN
From V
CSS shorted to PWMNEG, REG15 = 18V
From REG15 = 18V, V
V
PWMNEG
From REG15 = 18V, V
V
V
MAX5042 only, V
V
HSEN = NEGIN
POSINHS with respect to NEGIN, voltage
rising
Looking into HSEN
From HSEN rising to HSOK falling
From HSEN falling to HSOK rising
Rising with respect to NEGIN
Sinking 5mA
C
= 48V, T
= 4.7µF, C
POSINPWM
POSINPWM
XFRMRL
PWMNEG
L
= V
= 10µF, from HSDRAIN to NEGIN
CSP
POSINHS
= V
A
= V
= V
= +25°C, unless otherwise noted. All voltages are referred to PWMNEG,
REG9
= 76V, CSS shorted to
= 76V, V
SRC
PWMPNEG
CSN
CONDITIONS
= V
POSINHS
= 0V
= 1µF, C
= V
POSINPWM
DRNH
POSINHS
POSINHS
RAMP
= V
= V
REG5
= V
HSDRAIN
= V
POSINPWM
XFRMRH
= 76V,
=
=
= 1µF, R
PWMNEG
= 76V,
=
=
RCOSC
= V
NEGIN
MIN
1.11
7.5
= 24kΩ, C
18
27
18
50
3
= 0, T
TYP
124
165
124
0.6
3.1
A
20
10
10
2
6
RCOSC
= T
MIN
= 100pF, C
MAX
1.35
10.0
350
8.5
0.4
±1
55
34
55
25
to T
3
1
MAX
UNITS
, unless
V/ms
mV
mA
mA
mV
ms
ms
kΩ
kΩ
µA
BST
V
V
V
V
V
=