ncp3121 ON Semiconductor, ncp3121 Datasheet - Page 31

• Manufacturer Part Number: ncp3121
• Description: Dual 3.0 A, Step-down Dc/dc Switching Regulator
• Manufacturer: ON Semiconductor

Normal Operation (No Tracking, No Sequencing)
Disable
Disable
Enable
Enable
R_TRACK
EN1
EN2
PG1
PG2
VOUT2
VOUT1
R24
RT
R14
PG1
PG2
EN1
SEQ1
EN2
SEQ2
TRACK1
TRACK2
AVIN
Figure 62. Normal Operation Configuration
GND
C3
NCP3121
http://onsemi.com
C13
R13
R23
C23
GND
C22
NCP3121
C12
31
GND
SW1
SW2
VIN
VIN
VIN
VIN
VIN
VIN
GND
C1
D11
D21
GND
GND
GND
L21
L11
VIN
C2
GND
R12
R21
R22
R11
GND
GND
C11
C21
GND
GND
OUT1
OUT2