MAX1836ETT50+T Maxim Integrated Products, MAX1836ETT50+T Datasheet - Page 2

• Manufacturer Part Number: MAX1836ETT50+T
• Description: IC DC-DC CONV 5V 6-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1836ETT50+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 4.8 ~ 5.2 V
• Current - Output: 125mA
• Voltage - Input: 4.5 ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 6-TDFN Exposed Pad
• Power - Output: 1.95W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
IN, SHDN to GND ...................................................-0.3V to +25V
LX to GND.......................................................-2V to (V
OUT, FB to GND.......................................................-0.3V to +6V
Continuous Power Dissipation (T
24V Internal Switch, 100% Duty Cycle,
Step-Down Converters
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.
ELECTRICAL CHARACTERISTICS
(Circuits of Figures 1 (MAX1836) and 2 (MAX1837), V
unless otherwise noted.)
Note 1: Thermal properties are specified with product mounted on PC board with 1in
Dual Mode is a trademark of Maxim Integrated Products, Inc.
2
Input Supply Range
Input Undervoltage Lockout
Threshold
Input Supply Current
Input Supply Current in Dropout
Input Shutdown Current
Output Voltage (Preset Mode)
Output Voltage Range
(Adjustable Mode)
Feedback Set Voltage
(Adjustable Mode)
OUT Bias Current
FB Bias Current
FB Dual Mode
LX Switch Minimum Off-Time
LX Switch Maximum On-Time
LX Switch On-Resistance
LX Current Limit
LX Zero-Crossing Threshold
6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW
6-Pin TDFN (derate 24.4mW/°C above +70°C) .........1951mW
_______________________________________________________________________________________
PARAMETER
TM
Threshold
A
= +70°C) (Note 1)
SYMBOL
I
t
t
IN (D ROP)
OFF( M IN)
ON (M AX )
V
V
V
I
UVLO
V
R
V
I
LIM
I
OUT
OUT
FB
IN
FB
LX
IN
V
V
V
SHDN = GND
FB = GND,
I
(MAX1836) or
250mA (MAX1837)
(Note 2)
V
V
V
V
V
MAX1836
MAX1837
LOAD
IN
IN
IN
OUT
FB
FB
FB
IN
rising
falling
= 5V
= 6V
IN
= 0 or 1.25V, T
rising or falling
= 1.3V
IN
= 5V
= 0 to 125mA
+ 0.3V)
= 12V, SHDN = IN, T
CONDITIONS
A
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
= +25°C
MAX183_EUT50,
MAX183_ETT50
MAX183_EUT33,
MAX183_ETT33
A
= 0°C to +85°C. Typical values are at T
2
of copper area and still air.
3.168
1.200
3.55
3.45
4.80
1.25
MIN
250
500
-25
-75
4.5
0.2
50
7
TYP
5.00
3.30
1.25
100
312
625
4.0
3.9
2.5
0.4
1.1
12
18
10
3
3.432
1.300
MAX
5.20
+25
450
850
+75
150
4.4
4.3
V
7.4
0.6
24
25
13
7
2
IN
A
= +25°C,
UNITS
mV
mA
mV
µA
µA
µA
µA
nA
µs
µs
Ω
V
V
V
V
V