MAX1961(2003) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX1961
(Rev.:2003)
(Rev.:2003)
Maxim Integrated
MAX1961 Datasheet PDF : 29 Pages
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2.35V to 5.5V, 0.5% Accurate, 1MHz PWM
Step-Down Controllers with Voltage Margining
Table 3. Component List for Application Circuits
PART
C1
C2
C3
C4
C5
C6
C8
C9
C10, C11, C12
C13, C14
APP. CIRCUIT
15A OUTPUT 1MHz
1, 2, 3
0.47µF ceramic capacitor
1, 2, 3, 4 5 × 10µF ceramic capacitors
1, 2, 3, 4 2 x 680µF POSCAPs Sanyo 2R5TPD680M8
1, 2, 3, 4 1µF ceramic capacitor
1, 2, 3, 4 0.1µF ceramic capacitor
1, 2, 3, 4 2.2µF ceramic capacitor
1, 2, 3, 4 0.22µF ceramic capacitor
1, 2, 3, 4 (Table 4)
4
0.47µF ceramic capacitors
1, 2, 3, 4 4700pF ceramic capacitors
D1
1, 2, 3, 4
Schottky diode
Central CMSSH-3
D2–D5
4
Schottky diodes
Central CMHSH5-2L
L1
1, 2, 3, 4
0.22µH, 1.7mΩ inductor
Sumida CDEP1040R2NC-50
N1
1, 2, 3, 4
N-channel MOSFET
International Rectifier IRLR7821
N2
1, 2, 3, 4
N-channel MOSFET
International Rectifier IRLR7833
R1
1, 3
Sets output voltage
R2
1, 3
10kΩ ±1% resistor
R3
1, 2, 3, 4 (Table 4)
R4
1, 2
390kΩ ±5% resistor
R5
1, 2, 3, 4 10Ω ±5% resistor
R6
3, 4
1.5mΩ ±5%, 1W resistor
Panasonic ERJM1WTJ1M5U
R7, R8
1, 2, 3, 4 1Ω ±5% resistors
15A OUTPUT 500kHz
1µF ceramic capacitor
5 × 10µF ceramic capacitors
2 x 680µF POSCAPs Sanyo 2R5TPD680M8
1µF ceramic capacitor
0.1µF ceramic capacitor
4.7µF ceramic capacitor
0.22µF ceramic capacitor
(Table 5)
1µF ceramic capacitors
4700pF ceramic capacitors
Schottky diode
Central CMSSH-3
Schottky diodes
Central CMHSH5-2L
0.45µH inductor
Sumida CDEP1040R4MC-50
N-channel MOSFET
International Rectifier IRLR7821
N-channel MOSFET
International Rectifier IRLR7833
Sets output voltage
10kΩ ±1% resistor
(Table 5)
390kΩ ±5% resistor
10Ω ±5% resistor
1.5mΩ ±5%, 1W resistor
Panasonic ERJM1WTJ1M5U
1Ω ±5% resistors
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