MAX1745EUB+T Maxim Integrated Products, MAX1745EUB+T Datasheet - Page 5

• Manufacturer Part Number: MAX1745EUB+T
• Description: IC DC-DC CNTRLR STP DWN 10UMAX
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1745EUB+T

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 18 V
• Frequency - Switching: 330kHz
• Voltage - Input: 4.5 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Power - Output: 444mW
• Output Voltage: 1.25 V to 18 V
• Output Current: 10 A
• Input Voltage: 4.5 V to 36 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(Circuit of Figure 1, T
100
100
120
80
60
40
20
80
60
40
20
0
6
0
0
5
4
3
2
1
0.0001
3.5
0
V
V
vs. INPUT VOLTAGE (3.5V TO 5.5V)
OUT
IN
EFFICIENCY vs. LOAD CURRENT
= +5V
IN PIN QUIESCENT CURRENT
= 3.3V
A
1000
0.001
EXT RISE AND FALL TIMES
t
FALL
vs. CAPACITANCE
INPUT VOLTAGE (V)
CAPACITANCE (pF)
LOAD CURRENT (A)
(V
2000
0.01
B
OUT
t
RISE
_______________________________________________________________________________________
A
4.5
= +25°C, unless otherwise specified.)
= +3.3V)
C
3000
0.1
D
A: V
B: V
C: V
D: V
IN
IN
4000
IN
IN
= +5.5V
= +12.0V
= +24.0V
= +36.0V
1
5000
5.5
10
High-Voltage, Step-Down DC-DC
100
140
80
60
40
20
120
100
0
80
60
40
20
50
45
40
35
30
25
20
15
10
0
5
0
0.0001
-50
0
V
C
IN
L
EFFICIENCY vs. LOAD CURRENT
A
= 1000pF
-25
= +5V
0.001
EXT RISE AND FALL TIMES
SWITCHING FREQUENCY
10
vs. INPUT VOLTAGE
vs. TEMPERATURE
0
INPUT VOLTAGE (V)
LOAD CURRENT (A)
TEMPERATURE (°C)
(V
t
RISE
0.01
OUT
25
B
= +5.0V)
20
C
t
FALL
50
Typical Operating Characteristics
0.1
D
A: V
B: V
C: V
D: V
75
V
I
30
IN
IN
OUT
IN
IN
OUT
Controllers in µMAX
= +7.2V
= +12.0V
= +24.0V
= +36.0V
1
= 2.0A
100
= 3.3V
125
40
10
115
110
105
100
110
105
100
95
90
85
95
90
85
80
95
94
93
92
91
90
89
88
87
86
85
-50
-50
0
vs. INPUT VOLTAGE (5.5V TO 36V)
-25
-25
CURRENT-SENSE TRIP LEVEL
IN PIN QUIESCENT CURRENT
IN PIN QUIESCENT CURRENT
10
vs. TEMPERATURE
vs. TEMPERATURE
0
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
25
25
20
50
50
75
75
30
100
100
125
40
125
5