MAX8650EEG+ Maxim Integrated Products, MAX8650EEG+ Datasheet - Page 6

• Manufacturer Part Number: MAX8650EEG+
• Description: IC CNTRLR STP DWN 24-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8650EEG+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 5.5 V
• Current - Output: 25A
• Frequency - Switching: 200kHz ~ 1.2MHz
• Voltage - Input: 4.5 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QSOP
• Power - Output: 762mW
• Output Voltage: 0.7 V to 5.5 V
• Output Current: 25 A
• Input Voltage: 4.5 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.5V to 28V Input Current-Mode Step-Down
Controller with Adjustable Frequency
(Circuit of Figure 3, 500kHz switching, V
6
3.310
3.305
3.300
3.295
3.290
3.285
3.280
3.275
3.270
100
_______________________________________________________________________________________
90
80
70
60
50
40
30
20
10
0
6
1
V
I
OUT
OUT
EFFICIENCY vs. LOAD CURRENT
24V INPUT, 3.3V OUTPUT
10
12V INPUT, 1.8V OUTPUT
LINE REGULATION
12V INPUT, 2.5V OUTPUT
INPUT VOLTAGE (V)
LOAD CURRENT (A)
14
15A LOAD
NO LOAD
STEP-LOAD RESPONSE
7.5A TO 15A TO 7.5A
12V INPUT, 3.3V OUTPUT
18
10
40μs/div
22
26
MAX8650 toc07
100
30
IN
= 17V, V
100mV/div
(AC-COUPLED)
5A/div
0V
90
80
70
60
50
40
30
20
10
60
55
50
45
40
35
30
25
20
0
0.03
OUT
1
12V INPUT, 1.25V OUTPUT
R
EFFICIENCY vs. LOAD CURRENT
ILIM1
PEAK CURRENT LIMIT V
= 3.3V, T
0.04
12V INPUT, 0.9V OUTPUT
(CIRCUIT OF FIGURE 4)
vs. PEAK CURRENT LIMIT
LOAD CURRENT (A)
0.05
A
= +25°C, unless otherwise noted.)
0.06
Typical Operating Characteristics
CS+
- V
CS-
0.07
(V)
V
I
OUT
OUT
0.08
10
-8A TO 8A TO -8A (CIRCUIT OF FIGURE 4)
3.310
3.305
3.300
3.295
3.290
3.285
3.280
3.275
3.270
STEP-LOAD RESPONSE
530
520
510
500
490
480
470
0
6
100μs/div
10
OSCILLATOR FREQUENCY
T
A
LOAD REGULATION
vs. INPUT VOLTAGE
= +25°C
LOAD CURRENT (A)
INPUT VOLTAGE (V)
14
5
T
A
= +85°C
MAX8650 toc08
18
10
T
22
A
50mV/div
(AC-COUPLED)
0V
5A/div
= -40°C
26
15
30