MAX8543EEE+ Maxim Integrated Products, MAX8543EEE+ Datasheet - Page 9

• 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

(T
A
= +25°C, unless otherwise noted.)
Lossless Sensing, Synchronization, and OVP
Step-Down Controllers with Prebias Startup,
V
V
V
V
OUT
POK
OUT
V
EN
I
IN
IN
I
I
L
L
_______________________________________________________________________________________
MAX8544 ENABLE WAVEFORMS
SHORT CIRCUIT AND RECOVERY
2ms/div
1ms/div
V
V
OUT
V
V
DL
LX
IN
MAX8543 toc14
MAX8543 toc16
Typical Operating Characteristics (continued)
(OUTPUT PREBIASED AT 1.5V)
1.5V
5V/div
2V/div
5V/div
10A/div
0
10V/div
12V
1V/div
10A/div
0
10A/div
0
PREBIASED STARTUP
1ms/div
V
V
V
SYNCO
V
OUT
V
FSYNC
V
5V
MAX8543 toc18
DH
DL
OUT
V
LX
FSYNC AND SYNCO WAVEFORMS
OVERVOLTAGE PROTECTION
5V/div
2.5V
500mV/div
10V/div
5V/div
WITH 15A LOAD
40μs/div
2μs/div
MAX8543 toc17
MAX8543 toc15
1V/div
10V/div
5V
5V/div
0V
0V
1V/div
10V/div
5V/div
5V/div
9