max5033ausat Maxim Integrated Products, Inc., max5033ausat Datasheet - Page 4
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max5033ausat
Manufacturer Part Number
max5033ausat
Description
Max5033 500ma, 76v, High-efficiency, Maxpower Step-down Dc-dc Converter
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX5033AUSAT.pdf
(17 pages)
500mA, 76V, High-Efficiency, MAXPower
Step-Down DC-DC Converter
ELECTRICAL CHARACTERISTICS (MAX5033_A_ _)
(V
the Typical Application Circuit.) (Note 2)
Note 1: Switch current at which the current limit is activated.
Note 2: All limits at -40°C are guaranteed by design, not production tested.
4
Feedback Voltage
Efficiency
Quiescent Supply Current
Shutdown Current
Peak Switch Current Limit
Switch Leakage Current
Switch On-Resistance
PFM Threshold
FB Input Bias Current
ON/OFF CONTROL INPUT
ON/OFF Input-Voltage Threshold
ON/OFF Input-Voltage Hysteresis
ON/OFF Input Current
OSCILLATOR
Oscillator Frequency
Maximum Duty Cycle
VOLTAGE REGULATOR
Regulator Output Voltage
Dropout Voltage
Load Regulation
PACKAGE THERMAL CHARACTERISTICS
Thermal Resistance
(Junction to Ambient)
THERMAL SHUTDOWN
Thermal-Shutdown Junction
Temperature
Thermal-Shutdown Hysteresis
IN
_______________________________________________________________________________________
= +12V, V
PARAMETER
ON
/
OFF
= +12V, I
OUT
= 0, T
SYMBOL
∆VD/∆I
R
V
I
V
ON/OFF
I
T
ON/OFF
D
DS(ON)
SHDN
I
f
I
V
T
HYST
PFM
HYST
OSC
θ
I
VD
LIM
MAX
I
OL
I
η
SH
FB
JA
Q
B
A
VD
= T
J
V
V
V
V
V
MAX5033D
V
V
V
V
V
(Note 1)
V
I
Minimum switch current in any cycle
MAX5033D
Rising trip point
V
MAX5033D
V
7.5V ≤ V
0 to 5mA
SO package (JEDEC 51)
DIP package (JEDEC 51)
= -40°C to +125°C, unless otherwise noted. Typical values are at T
SWITCH
IN
IN
IN
IN
IN
FB
FB
FB
FB
ON/OFF
IN
ON/OFF
IN
= 7.5V to 76V, MAX5033D
= 12V, I
= 12V, I
= 24V, I
= 12V, V
= 76V, V
= 8.5V to 76V, I
= 3.5V, V
= 5.5V, V
= 13V, V
= 1.3V, MAX5033D
IN
= 500mA
= 0V, V
= 0V to V
≤ 8.5V, I
LOAD
LOAD
LOAD
OUT
ON/OFF
IN
IN
IN
CONDITIONS
= 15V to 76V, MAX5033C
= 7.5V to 76V, MAX5033A
= 7.5V to 76V, MAX5033B
IN
= 5V, I
= 500mA, MAX5033A
= 500mA, MAX5033B
= 500mA, MAX5033C
IN
= 7.5V to 76V
L
L
= 0V, V
= 1mA
= 0mA
LOAD
LX
= 500mA,
= 0V
1.192
0.95
-150
1.50
MIN
105
6.5
35
+0.01
1.221
+160
TYP
1.69
270
270
270
270
100
125
150
170
110
1.5
0.4
7.8
2.0
86
90
94
90
10
65
10
95
20
1
1.250
+150
MAX
2.20
0.80
1.85
440
440
440
440
110
150
137
9.0
45
A
= +25°C. See
UNITS
°C/W
kHz
mA
mV
µA
µA
µA
nA
nA
°C
°C
%
%
Ω
Ω
V
A
V
V
V