MAX1836EUT33 Maxim, MAX1836EUT33 Datasheet - Page 3

• Manufacturer Part Number: MAX1836EUT33
• Description: 24V Internal Switch / 100% Duty Cycle / Step-Down Converters
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS
(Circuits of Figures 1 (MAX1836) and 2 (MAX1837), V
ELECTRICAL CHARACTERISTICS (continued)
(Circuits of Figures 1 (MAX1836) and 2 (MAX1837), V
unless otherwise noted.)
Zero-Crossing Timeout
LX Switch Leakage Current
Dropout Voltage
Line Regulation
Load Regulation
Shutdown Input Threshold
Shutdown Leakage Current
Thermal Shutdown
Input Supply Range
Input Undervoltage Lockout
Threshold
Input Supply Current
Input Shutdown Current
Output Voltage (Preset Mode)
Output Voltage Range
(Adjustable Mode)
Feedback Set Voltage
(Adjustable Mode)
OUT Bias Current
FB Dual Mode Threshold
LX Switch Minimum Off-Time
LX Switch Maximum On-Time
LX Switch On-Resistance
LX Current Limit
PARAMETER
PARAMETER
_______________________________________________________________________________________
24V Internal Switch, 100% Duty Cycle,
V
SYMBOL
SYMBOL
DROPOUT
t
t
V
OFF( M IN)
ON (M AX )
V
I
SHDN
V
V
SHDN
UVLO
V
R
I
V
I
OUT
OUT
LIM
IN
FB
IN
LX
LX does not rise above the threshold
V
I
V
I
(MAX1837)
V
V
10°C hysteresis (typ)
V
V
SHDN = GND
FB = GND,
I
(MAX1836) or
250mA (MAX1837)
(Note 2)
V
V
V
MAX1836
MAX1837
V
OUT
OUT
LOAD
IN
IN
IN
SHDN
IN
IN
OUT
FB
FB
IN
= 18V, LX = GND, T
= 5V to 24V
= 4.5V to 24V (Note 3)
IN
rising
falling
= 6V
rising or falling
= 1.3V
= 100mA, V
= 0 to 125mA (MAX1836) or 250mA
IN
= 5V
= 12V, SHDN = IN, T
= 0 to 125mA
= 12V, SHDN = IN, T
= 0 or 24V
CONDITIONS
CONDITIONS
IN
= 5V
Step-Down Converters
A
MAX183_EUT50,
MAX183_ETT50
MAX183_EUT33,
MAX183_ETT33
= +25°C
A
= -40°C to +85°C, unless otherwise noted.) (Note 4)
A
= 0°C to +85°C. Typical values are at T
3.168
1.200
MIN
MIN
3.55
3.45
4.80
1.25
250
500
0.8
4.5
0.2
-1
50
7
160
TYP
0.05
120
TYP
0.3
30
MAX
3.432
1.300
MAX
5.20
2.4
150
450
900
+1
V
4.4
4.3
7.4
0.6
24
25
13
1
7
2
IN
A
= +25°C,
UNITS
UNITS
mV
µA
µA
mV
mA
µs
°C
%
%
µA
µA
µA
µs
µs
V
Ω
V
V
V
V
V
3