MAX15022_11 Datasheet, PDF (26/28 Pages) Maxim Integrated Products – Dual, 4A/2A, 4MHz, Step-Down DC-DC Regulator with Dual LDO Controllers

Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Dual LDO Controllers
Typical Operating Circuits (continued)
V_IN
C₁
R₁
C₂
C_IN2
C_DD2
C_I2
R_I2
C_{F2 RF2}
C_CF2
R_1FB2
R_2FB2
C_E1
R_P1
C_P1
V_OUT3
C_OUT3
Q₁
R_1EN3
R_1FB3
R_2FB3
R_2EN3
C_P2
R_P2
C_E2
Q₂
V_OUT4
C_OUT4
R_1FB4
R_1EN4
R_2FB4
R_2EN4
AVIN EN2 PVIN2 DVDD2
FB2 COMP2
L₂
LX2
R_S2
B3
C_S2
PGND2
V_IN
EN3
C_DD1
DVDD1
FB3
EN1
V_IN
C_IN1
PVIN1
MAX15022
L₁
LX1
B4
R_S1
C_S1
PGND1
EN4
FB4
C_I1
RT
R_T C_T
SGND
R_I1
FB1
SEL
COMP1
C_{F1 RF1}
C_CF1
V_OUT2
C_OUT2
V_AVIN
V_OUT1
C_OUT1
R_1FB1
R_2FB1
PGND SGND
Figure 8. MAX15022 Double Buck with Sequencing and Two Additional LDOs
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