NCP3125ADR2G ON Semiconductor, NCP3125ADR2G Datasheet - Page 17

• Manufacturer Part Number: NCP3125ADR2G
• Description: DC/DC Switching Converters 4A PWM Switching Buck Regulator
• Manufacturer: ON Semiconductor

Specifications of NCP3125ADR2G

• Mounting Style: SMD/SMT
• Duty Cycle (max): 80 %
• Efficiency: 93 %
• Input / Supply Voltage (max): 13.2 V
• Input / Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 125 C
• Output Current: 4 A
• Output Voltage: Adjustable
• Supply Current: 10 mA
• Switching Frequency: 350 KHz
• Package / Case: SOIC-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

R
1.355 kW +
C
CO
C
f
F
R
CO
C
C
R
cross
LC
C
C
OUT
C
OUT
P
C
ESR
ESR
+
2
C
2.76 nF + 470 mF
P
F
+ C
LC
2
= Compensation capacitance
= Output capacitor ESR
= Output capacitance
= Output inductor and capacitor frequency
= Output capacitor ESR
= Output capacitor
= Compensation pole capacitor
= Compensation resistor
= Crossover frequency
= Compensation resistor
OUT
3.102 kHz
C
C
R
C
2 2 ) f
CO
ESR
2
1.355 kW
84 nF
1
cross
0.05 mW
p
³
CO
2 2 ) 30 kHz
2 * p
ESR
1
(eq. 44)
C
http://onsemi.com
OUT
0.05 mW
17
470 mF
(eq. 43)