MAX1954AEUB Maxim Integrated Products, MAX1954AEUB Datasheet - Page 11

• Manufacturer Part Number: MAX1954AEUB
• Description: Current Mode PWM Controllers
• Manufacturer: Maxim Integrated Products

Specifications of MAX1954AEUB

• Number Of Outputs: 1
• Duty Cycle (max): 93 %
• Output Voltage: 0.8 V to 4.95 V
• Output Current: 25000 mA
• Mounting Style: SMD/SMT
• Package / Case: uSOP-10
• Switching Frequency: 360 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Boost, Buck
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Table 1. Suggested Components
PART DESIGNATOR
C9–C13
N1, N2
N3, N4
C1
C2
C3
C4
C5
C6
C7
C8
Cc
R
D1
C
R1
R2
R3
L1
C
F
______________________________________________________________________________________
0.22µF, 10V X7R ceramic capacitor
Kemet C0603C224M8RAC
1µF, 6.3V X5R ceramic capacitor
Taiyo Yuden JMK212BJ106MG
10µF, 16V X5R ceramic capacitor
Taiyo Yuden EMK325BJ106MN
0.1µF, 6.3V X7R ceramic capacitor
180µF, 4V SP polymer capacitor
Panasonic EEFUEOG181R
1500pF, 50V X7R ceramic capacitor
TDK C1608X7R1H152K
—
—
—
680pF, 10V X7R ceramic capacitor
Kemet C0402C681M8RAC
—
16.9k
8.06k
2 ±5% resistor
62k
Schottky diode
Central Semiconductor CMPSH1-4
20V, 5A dual MOSFETs
Fairchild FDS6898A
—
1µH, 3.6A inductor
TOKO 817FY-1R0M
Controller with Foldback Current Limit
±5% resistor
±1% resistor
±1% resistor
Low-Cost, Current-Mode PWM Buck
MAX1954A
(FIGURE 1)
0.22µF, 10V X7R ceramic capacitor
Kemet C0603C224M8RAC
10µF, 16V X5R ceramic capacitor
Taiyo Yuden EMK325BJ106MN
10µF, 16V X5R ceramic capacitor
Taiyo Yuden EMK325BJ106MN
10µF, 16V X5R ceramic capacitor
Taiyo Yuden EMK325BJ106MN
10µF, 16V X5R ceramic capacitor
Taiyo Yuden EMK325BJ106MN
10µF, 16V X5R ceramic capacitor
Taiyo Yuden EMK325BJ106MN
0.1µF, 50V X7R ceramic capacitor
Taiyo Yuden UMK107BJ104KA
270µF, 2V SP polymer capacitor
Panasonic EEFUEOD271R
270µF, 2V SP polymer capacitors
Panasonic EEFUEOD271R
560pF, 10V X7R ceramic capacitor
Kemet C0402C561M8RAC
15pF, 10V C0G ceramic capacitor
Kemet C0402C150K8GAC
10k
8.06k
—
270k
Schottky diode
Central Semiconductor CMPSH1-4
30V N-channel MOSFETs
International Rectifier IRF7811
30V N-channel MOSFETs
Siliconix Si4842DY
0.8µH, 27.5A inductor
Sumida CEP125U-0R8
±1% resistor
±5% resistor
±1% resistor
20A CIRCUIT
(FIGURE 2)
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