Datasheet

1A, 76V, High-Efficiency MAXPower
Step-Down DC-DC Converter
Typical Operating Characteristics
(V
IN
= 12V, V
ON/OFF
= 12V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C. See the Typical
Application Circuit
, if applicable.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PACKAGE THERMAL CHARACTERISTICS
SO package (JEDEC 51)
170
Thermal Resistance
(Junction to Ambient)
θ
JA
DIP package (JEDEC 51)
110
°C/W
THERMAL SHUTDOWN
Thermal-Shutdown Junction
Temperature
T
SH
+160
°C
Thermal-Shutdown Hysteresis T
HYST
20 °C
Note 1: Switch current at which current limit is activated.
Note 2: All limits at -40°C are guaranteed by design, not production tested.
V
OUT
vs. TEMPERATURE
(MAX5035AASA, V
OUT
= 3.3V)
MAX5035 toc01
TEMPERATURE (°C)
V
OUT
(V)
3.24
3.28
3.32
3.36
3.40
3.20
I
OUT
= 0.1A
I
OUT
= 1A
100
50
0-50
150-25
25
75
125
V
OUT
vs. TEMPERATURE
(MAX5035DASA, V
OUT
= 5V)
MAX5035 toc02
TEMPERATURE (°C)
V
OUT
(V)
125100-25 0 25 50 75
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
4.80
-50 150
I
OUT
= 0.1A
I
OUT
= 1A
LINE REGULATION
(MAX5035AASA, V
OUT
= 3.3V)
MAX5035 toc03
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
65503520
3.24
3.28
3.32
3.36
3.40
3.20
580
I
OUT
= 1A
I
OUT
= 0.1A
LINE REGULATION
(MAX5035DASA, V
OUT
= 5V)
MAX5035 toc04
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
655020 35
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
4.80
580
I
OUT
= 1A
I
OUT
= 0.1A
LOAD REGULATION
(MAX5035AASA, V
OUT
= 3.3V)
MAX5035 toc05
I
LOAD
(mA)
V
OUT
(V)
800600400200
3.24
3.28
3.32
3.36
3.40
3.20
0 1000
V
IN
= 7.5V, 24V
V
IN
= 76V
LOAD REGULATION
(MAX5035DASA, V
OUT
= 5V)
MAX5035 toc06
I
LOAD
(mA)
V
OUT
(V)
800600400200
4.95
5.00
5.05
5.10
4.90
01000
V
IN
= 76V
V
IN
= 24V
V
IN
= 7.5V
ELECTRICAL CHARACTERISTICS (MAX5035_A_ _) (continued)
(V
IN
= +12V, V
ON/OFF
= +12V, I
OUT
= 0, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C. See
the
Typical Application Circuit. ) (Note 2)
MAX5035
Maxim Integrated
5