NCP3126ADR2G ON Semiconductor, NCP3126ADR2G Datasheet - Page 21

• Manufacturer Part Number: NCP3126ADR2G
• Description: DC/DC Switching Converters 3A PWM Switching Buck Regulator
• Manufacturer: ON Semiconductor

Specifications of NCP3126ADR2G

• 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: 3 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

GND_IN
VIN
Vin
470uF
16V
C3
56n
10V
CC
RC
2.1k
C1
16V
10uF
CP
1.8nF
50V
COMP
4
3
2
1
Figure 31. Standard Application 12 V to 2.5 V 3 A
AGND
COMP
FB
PGND
NCP3126
U1
ISET
VSW
BST
VIN
RSET
39k
5
6
7
8
http://onsemi.com
16V
C11
0.01uF
21
10R
R3
C10
1uF
16V
BST
MMSD4148T1G
D1
CBST
25V
10nF
100R
R9
C9
1nF
50V
VSW
LOUT
6.8uH
21.5k
R1
10k
R2
CF
180pF
10V
RF
20k
FB
22uF
6.3V
C4
GND
C7
470uF
6.3V
CHF
820pF
6.3V
VOUT
Vout
GND