NCP3125ADR2G ON Semiconductor, NCP3125ADR2G Datasheet - Page 21

• 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

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
ORDERING INFORMATION
Specifications Brochure, BRD8011/D.
NCP3125ADR2G
GND_IN
GND_IN
VIN
Vin
VIN
Vin
470uF
16V
C3
120n
10V
390n
CC
10uF
10V
16V
CC
C1
RC
806R
Device
RC
162R
C1
16V
10uF
CP
1.8nF
50V
CP
180pF
50V
C2
10uF
16V
COMP
COMP
Figure 32. Ceramic Capacitor Application 12 V to 1.8 V 4 A
4
3
2
1
Figure 31. Standard Application 12 V to 1.8 V 4 A
4
3
2
1
AGND
COMP
FB
PGND
AGND
COMP
FB
PGND
NCP3125
NCP3125
U1
U1
ISET
VSW
BST
ISET
VSW
VIN
RSET
BST
VIN
RSET
21k
21k
5
6
7
8
5
6
7
8
http://onsemi.com
16V
C11
16V
C11
0.01uF
0.01uF
(Pb−Free)
21
10R
R3
10R
Package
R3
SOIC−8
C10
1uF
16V
C10
1uF
16V
BST
BST
MMSD4148T1G
MMSD4148T1G
D1
D1
CBST
25V
CBST
10nF
25V
10nF
100R
R9
C9
1nF
50V
R9
100R
C9
1nF
50V
VSW
VSW
LOUT
3.9uH
LOUT
2.2uH
R1
12.7k
R2
10.2k
12.7k
R1
10.2k
R2
CF
1nF
10V
CF
220pF
10V
6.8k
RF
20k
RF
2500 / Tape & Reel
FB
FB
22uF
22uF
6.3V
6.3V
C4
C4
Shipping
GND
GND
47uF
6.3V
C5
C7
470uF
6.3V
100m
†
RCR
CHF
820pF
6.3V
CHF
820pF
6.3V
VOUT
GND
Vout
VOUT
Vout
GND