MAX8543EEE+ Maxim Integrated Products, MAX8543EEE+ Datasheet - Page 13

• 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

Table 1. Suggested Components for Figure 1
DESIGNATION
C4A, C4B, C4C
C6A, C6B
C9, C10
N1, N2
N3, N4
R4, R5
C11
C12
Lossless Sensing, Synchronization, and OVP
C1
C2
C3
C5
C7
C8
D1
D2
R1
R2
R3
R6
R7
R8
R9
L1
Step-Down Controllers with Prebias Startup,
______________________________________________________________________________________
QTY
1
1
1
2
1
2
1
1
2
1
1
1
1
1
2
2
1
1
1
2
1
1
1
1
1µF ±20%, 16V X5R ceramic capacitor (0603)
Panasonic ECJ1VB1C105M or equivalent
10µF ±20%, 6.3V X5R ceramic capacitor (0805)
Panasonic ECJ2FB0J106M or Taiyo Yuden JMK212BJ106MG
0.1µF ±10%, 50V X7R ceramic capacitor (0603)
TDK C1608X7R1H104KT or equivalent
10µF ±20%, 16V X5R ceramic capacitors (1206)
Panasonic ECJ3YB1C106M or equivalent
0.22µF ±10%, 10V X7R ceramic capacitor (0603)
Taiyo Yuden LMK107BJ224KA or equivalent
180µF, 4V aluminum poly SPCAPs
Panasonic EEFUE0G181XR
10pF, 50V C0G ceramic capacitor (0603)
220pF ±10%, 50V X7R ceramic capacitor (0603)
0.47µF ±10% X7R ceramic capacitors (0603)
100pF, 50V C0G ceramic capacitor (0603)
470µF ±20%, 16V aluminum electrolytic capacitor
Rubycon 16MBZ470M
100mA, 30V Schottky diode (SOT-323)
Central CMSSH-3
250mA, 100V switching diode (SOT23)
Central CMPD914
0.82µH, 33A, 1.6mΩ inductor
Vishay IHLP-5050FD-01 0.82µH
N-channel MOSFETs
IRF IRF7821
N-channel MOSFETs
IRF IRF7832
17.4kΩ ±1% resistor (0603)
8.06kΩ ±1% resistor (0603)
220kΩ ±5% resistor (0603)
1.3kΩ ±5% resistors (0603)
42.2kΩ ±1% resistor (0603)
90.9kΩ ±1% resistor (0603)
9.31kΩ ±1% resistor (0603)
100kΩ ±5% resistor (0603)
DESCRIPTION
13