MAX5066 Maxim Integrated Products, MAX5066 Datasheet - Page 2
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MAX5066
Manufacturer Part Number
MAX5066
Description
Synchronous Buck Controller
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5066.pdf
(22 pages)
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ABSOLUTE MAXIMUM RATINGS
IN to AGND.............................................................-0.3V to +30V
BST_ to AGND........................................................-0.3V to +35V
DH_ to LX_ ....................................-0.3V to (V
DL_ to PGND ..............................................-0.3V to (V
BST_ to LX_ ..............................................................-0.3V to +6V
V
AGND to PGND .....................................................-0.3V to +0.3V
REG, RT/CLKIN, CSP_, CSN_ to AGND ..................-0.3V to +6V
All Other Pins to AGND ............................-0.3V to (V
REG Continuous Output Current
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
ELECTRICAL CHARACTERISTICS
(V
(Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
SYSTEM SPECIFICATIONS
Input Voltage Range
Quiescent Supply Current
STARTUP/INTERNAL REGULATOR OUTPUT (REG)
REG Undervoltage Lockout
Hysteresis
REG Output Accuracy
REG Dropout
INTERNAL REFERENCE
Internal Reference Voltage
Internal Reference Voltage
Accuracy
EXTERNAL REFERENCE VOLTAGE OUTPUT (REF)
Accuracy
Load Regulation
MOSFET DRIVERS
p-Channel Output Driver
Impedance
n-Channel Output Driver
Impedance
Output Driver Source Current
Output Driver Sink Current
Nonoverlap Time (Dead Time)
(Limited by Power Dissipation, No Thermal or Short-Circuit
Protection).........................................................................67mA
DD
IN
_______________________________________________________________________________________
= V
to PGND............................................................-0.3V to +6V
REG
PARAMETER
= V
DD
= V
EN_
= +5V, T
A
= T
SYMBOL
I
I
DH_
DH_
UVLO
V
V
V
R
R
V
J
HYST
EAN_
EAN_
V
ON_P
ON_N
t
I
REF
NO
= T
IN
IN
, I
, I
DL_
DL_
BST_
MIN
to T
- V
IN and REG shorted together for +5V
operation
f
V
V
V
EAN_ connected to EAOUT_ (Note 2)
V
28V, EAN_ connected to EAOUT_ (Note 2)
I
I
C
OSC
REF
REF
REG
IN
IN
IN
REG
DH_
LX_
DD
MAX
= 5.8V to 28V, I
< 5.8V, I
= V
= 100µA
= 0 to 200µA
= 500kHz, DH_, DL_ = open
) + 0.3V
rising
+ 0.3V)
+ 0.3V)
or C
, unless otherwise noted, circuit of Figure 6. Typical values are at T
REG
DL_
= 4.75V to 5.5V or V
SOURCE
= 5nF
CONDITIONS
SOURCE
REF Continuous Output Current ........................................200µA
Continuous Power Dissipation (T
Package Thermal Resistance
Operating Temperature Ranges
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
= 60mA
28-Pin TSSOP (derate 23.8mW/°C above +70°C) .....1904mW
MAX5066EUI ...................................................-40°C to +85°C
MAX5066AUI .................................................-40°C to +125°C
= 0 to 65mA
IN
= 5V to
4.75
4.75
3.23
MIN
-0.9
4.0
3.2
5
(θ
JC
A
) ...................................2°C/W
= +70°C)
0.6135
TYP
4.15
5.10
1.35
0.45
200
3.3
2.5
30
4
8
MAX
+0.9
5.30
3.37
1.35
5.5
4.5
0.5
3.4
28
20
4
A
= +25°C.)
UNITS
mA
mV
ns
%
Ω
Ω
V
V
V
V
V
V
V
A
A