MAX1776EUA+ Maxim Integrated Products, MAX1776EUA+ Datasheet - Page 4

• Manufacturer Part Number: MAX1776EUA+
• Description: IC DC-DC CONV STP DWN 8-UMAX
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1776EUA+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V, 1.25 ~ 24 V
• Current - Output: 600mA
• Frequency - Switching: 200kHz
• Voltage - Input: 4.5 ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Power - Output: 330mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
24V, 600mA Internal Switch, 100% Duty Cycle,
Step-Down Converter
4
(Circuit of Figure 1, components from Table 3, V
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
LX Zero-Crossing Threshold
LX Switch Leakage Current
Digital Input Level
Digital Input Leakage Current
ILIM Input Level
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
_______________________________________________________________________________________
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
1.0
0.2
0
0
0
0
PARAMETER
100
LOAD REGULATION, CIRCUIT 5
0.1
CIRCUIT 1, V
LOAD REGULATION,
200
0.2
IN
300
I
I
LOAD
LOAD
= +12V, SHDN = IN, T
0.3
OUTPUT
(mA)
(A)
V
400
IN
V
V
V
IN
= 12V
IN
IN
0.4
= 12V
= 15V
= 15V
500
= 5V
V
V
IN
0.5
IN
600
= 24V
= 24V
SYMBOL
700
0.6
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
IN
-0.2
-0.4
-0.6
-0.8
-1.0
V
SHDN, ILIM2
V
Low
High
0.6
0.4
0.2
= +12V, SHDN = IN, T
-1
-2
-3
IN
SHDN
0
3
2
1
0
0
= 24V, LX = GND
5
V
IN
, V
7
= 12V
100
CIRCUIT 1, V
ILIM
CIRCUIT 5, V
9
LOAD REGULATION,
V
IN
, V
11
V
I
200
LOAD
V
= 24V
OUTPUT
CONDITIONS
IN
ILIM2
13
I
= 5V
LOAD
= 1mA
Low
High
V
I
300
LOAD
IN
OUTPUT
15 17 19 21 23 25
(mA)
vs. V
(V)
= 0 or 24V, V
OUTPUT
Typical Operating Characteristics
= 500mA
A
V
400
IN
= +25°C.)
IN
= 3.3V
I
LOAD
= 15V
,
= 5V
500
= 50mA
IN
600
= 24V
-0.2
-0.4
-0.6
-0.8
-1.0
-1.2
-0.5
-1.0
0.2
2.0
1.5
1.0
0.5
0
0
0
5
MIN
-75
2.4
2.2
-1
50
7
LOAD REGULATION, CIRCUIT 2
CIRCUIT 5, V
I
LOAD
9
100 150
V
11
= 10mA
OUTPUT
13
I
LOAD
V
200 250 300 350 400
IN
15 17 19 21 23 25
OUTPUT
(mA)
I
vs. V
(V)
LOAD
V
MAX
IN
0.05
0.8
I
75
10
LOAD
= 12V
1
= 1mA
IN
= 3.3V
,
V
= 50mA
IN
V
= 15V
IN
UNITS
= 24V
mV
µA
µA
V
V