MAX1641EEE+ Maxim Integrated Products, MAX1641EEE+ Datasheet - Page 4

• Manufacturer Part Number: MAX1641EEE+
• Description: IC SW-MODE CUR SOURCE ADJ 16QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1641EEE+

• Function: Charge Management
• Voltage - Supply: 5.5 V ~ 26 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Number Of Outputs: 1
• Duty Cycle (max): 100 %
• Output Voltage: 2 V to 24 V
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Adjustable-Output, Switch-Mode
Current Source with Synchronous Rectifier
(Circuit of Figure 1, T
4
__________________________________________Typical Operating Characteristics
1.550
1.525
1.500
1.475
1.450
0.65
0.63
0.61
0.59
0.57
0.55
0.53
0.51
0.49
0.47
0.45
100
90
80
70
60
50
40
_______________________________________________________________________________________
2
4
4
OUTPUT CURRENT vs. INPUT VOLTAGE
EFFICIENCY vs. OUTPUT VOLTAGE
(V
4
V
IN
OUT
OFF-MODE SUPPLY CURRENT
= 12V
8
8
6
= 4V)
8 10
OUTPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
12
12
(NO-LOAD)
MAX1641
V
A
IN
12 14 16 18 20 22 24
= 18V
= +25°C, unless otherwise noted.)
16
16
T
T
T
A
A
A
= +25°C
= +85°C
= -40°C
20
20
T
T
T
A
A
A
= +25°C
= +85°C
= -40°C
V
IN
24
24
= 26V
28
28
10,000
1.510
1.500
1.490
1.480
1.470
1.460
1.560
1.540
1.520
1.500
1.480
1.460
1.440
1.420
1000
100
10
1
OUTPUT CURRENT vs. OUTPUT VOLTAGE
4
2
0
OUTPUT CURRENT vs. INPUT VOLTAGE
SWITCHING FREQUENCY vs. R
(V
4
V
50
OUT
OUT
8
6
= 4V)
= +6V
100 150 200 250
V
OUT
8 10
INPUT VOLTAGE (V)
12
= +3V
MAX1640
MAX1641
T
V
OFF
12 14 16 18 20 22 24
OUT
16
(kΩ)
(V)
T
20
T
T
T
T
A
A
A
T
A
A
= -40°C
A
= +25°C
= +85°C
= -40°C
300 350 400
= +25°C
= +85°C
24
TOFF
28
A
B
1.510
1.500
1.490
1.480
1.470
1.460
1.450
V
A: OUTPUT CURRENT, D1 = D0 = 1 1A/div
B: INPUT VOLTAGE, 10V/div
2.9
2.7
2.5
2.3
2.1
1.9
1.7
1.5
LOAD
= 3V
OUTPUT CURRENT vs. OUTPUT VOLTAGE
4
2
T
A
= +25°C
4
vs. INPUT VOLTAGE (NO-LOAD)
LINE-TRANSIENT RESPONSE
T
8
A
6
= -40°C
QUIESCENT CURRENT
T
8 10
A
OUTPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= +85°C
12
2ms/div
MAX1640
12 14 16 18 20 22 24
T
16
A
T
T
= +85°C
A
A
= +25°C
= -40°C
20
24
28
0A
0V