MAX1649ESA+T Maxim Integrated Products, MAX1649ESA+T Datasheet - Page 3

• Manufacturer Part Number: MAX1649ESA+T
• Description: IC STP-DWN DC-DC CTRLR LDO 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1649ESA+T

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V, 1.5 ~ 16 V
• Current - Output: 2.5A
• Frequency - Switching: Up to 350kHz
• Voltage - Input: 3 ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 471mW
• Output Voltage: 5 V, 1.5 V to 16 V
• Output Current: 2.5 A
• Input Voltage: 3 V to 16 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, T
(T
__________________________________________Typical Operating Characteristics
Current-Limit Trip Level
(V+ to CS)
CS Input Current
Switch Maximum On-Time
Switch Minimum Off-Time
EXT Rise Time
EXT Fall Time
Maximum Duty Cycle
A
240
220
200
180
160
140
120
100
= +25°C, unless otherwise noted.)
80
78
76
74
72
70
68
66
80
60
40
PARAMETER
-60
-60
SUPPLY CURRENT vs. TEMPERATURE
-40
C
-40
V+ = 5V, t
A
EXT
Low-Dropout, Step-Down DC-DC Controllers
= T
-20
EXT RISE AND FALL TIMES
-20
= 5nF
vs. TEMPERATURE (5nF)
MIN
0
TEMPERATURE (°C)
TEMPERATURE (°C)
FALL
0
20
20
to T
_______________________________________________________________________________________
V+ = 5V, t
40
V+ = 15V, t
40
MAX
V+ = 15V, t
5V/3.3V or Adjustable, High-Efficiency,
60
60
t
t
SYMBOL
ON
OFF
RISE
, unless otherwise noted. Typical values are at T
V+ = 4V
80
V
V+ = 10V
80
(max)
CS
V+ = 16V
RISE
(min)
100
100
FALL
120
120
3V ≤ V+ ≤ 16V
3V ≤ V+ ≤ 16V
V+ = 12V
V+ = 12V
C
C
t
140
140
ON
EXT
EXT
t
ON
+ t
= 0.001µF, V+ = 12V
= 0.001µF, V+ = 12V
OFF
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
0
x 100%
0.1
-60
V
CIRCUIT OF
FIGURE 1
OUT
-40
vs. LOAD CURRENT (V
V+ = 4V
CONDITIONS
= 5V
-20
1
SHUTDOWN CURRENT
vs. TEMPERATURE
LOAD CURRENT (mA)
0
TEMPERATURE (°C)
EFFICIENCY
10
V+ = 16V
20
V+ = 8V
TOP TO
BOTTOM:
V
V
V
V
V
IN
IN
IN
IN
IN
40
= 6V
= 8V
= 10V
= 12V
= 15V
100
60
OUT
80
A
= 5V)
100
1k
= +25°C.)
120
10k
140
100
MIN
0.8
90
80
70
60
50
40
60
55
50
45
40
35
30
25
20
15
80
24
95
-60
0.1
V
CIRCUIT OF
FIGURE 1
vs. LOAD CURRENT (V
C
-40
OUT
EXT
TYP
96.5
EXT RISE AND FALL TIMES
= 3.3V
110
1.1
= 1nF
-20
1
32
25
25
vs. TEMPERATURE (1nF)
V+ = 5V, t
LOAD CURRENT (mA)
TEMPERATURE (°C)
V+ = 15V, t
0
EFFICIENCY
10
20
RISE
MAX
TOP TO
BOTTOM:
V
V
V
V
V
V
140
1.8
±1
40
IN
IN
IN
IN
IN
IN
40
RISE
= 4.3V
= 5V
= 8V
= 10V
= 12V
= 15V
V+ = 15V, t
100
60
V+ = 5V, t
OUT
80
= 3.3V)
100
1k
FALL
UNITS
FALL
mV
µA
µs
µs
ns
ns
%
120
140
10k
3