MAX8543EEE+ Maxim Integrated Products, MAX8543EEE+ Datasheet - Page 8

• Manufacturer Part Number: MAX8543EEE+
• Description: IC CNTRLR STEP DOWN 16-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8543EEE+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 11 V
• Current - Output: 25A
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 3 ~ 13.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Power - Output: 667mW
• Output Voltage: 0.8 V to 11.88 V
• Output Current: 25000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 200 KHz to 1000 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: Yes
• Topology: Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Step-Down Controllers with Prebias Startup,
Lossless Sensing, Synchronization, and OVP
(T
8
A
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
V
V
V
V
I
OUT
V
OUT
OUT
OUT
POK
V
IN
I
IN
L
I
L
MAX8543 POWER-UP WAVEFORMS
MAX8544 POWER-UP WAVEFORMS
MAX8544 STEP-LOAD RESPONSE
7.5A TO 15A TO 7.5A (5A/μs)
10μs/div
2ms/div
2ms/div
MAX8543 toc12
MAX8543 toc08
MAX8543 toc10
Typical Operating Characteristics (continued)
2V/div
1V/div
10A/div
0
50mV/div
AC-COUPLED
5A/div
0
5V/div
2V/div
5V/div
10A/div
0
V
V
V
V
I
OUT
V
OUT
OUT
OUT
POK
V
IN
I
IN
I
L
L
MAX8543 POWER-DOWN WAVEFORMS
MAX8544 POWER-DOWN WAVEFORMS
MAX8544 STEP-LOAD RESPONSE
1.5A TO 15A TO 1.5A (5A/μs)
10μs/div
2ms/div
2ms/div
MAX8543 toc13
MAX8543 toc09
MAX8543 toc11
2V/div
1V/div
10A/div
0
100mV/div
AC-COUPLED
5A/div
0
5V/div
2V/div
2V/div
10A/div
0