MAX15022_11 Datasheet, PDF (25/28 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
C_E1
V_OUT3
C_OUT3
V_OUT2
R_P1
Q₁
R_1EN3
R_1FB3
R_2FB3
R_2EN3
V_IN
C₁
R₁
C₂
C_IN2
C_DD2
C_I2
R_I2
C_{F2 RF2}
C_CF2
R_1FB2
R_2FB2
C_P1
V_OUT1
AVIN EN2 PVIN2 DVDD2
B3
EN3
FB3
FB2 COMP2
L₂
LX2
R_S2
PGND2
DVDD1
C_S2
V_IN
C_DD1
EN1
PVIN1
V_IN
C_IN1
C_P2
R_P2
C_E2
Q₂
B4
V_OUT4
R_1EN4
C_OUT4
R_1FB4
EN4
FB4
R_2FB4
R_2EN4
RT
R_T C_T
MAX15022
LX1
PGND1
L₁
R_S1
C_S1
SGND SEL
C_I1
R_I1
FB1
COMP1
V_AVIN
C_{F1 RF1}
C_CF1
V_OUT2
C_OUT2
V_AVIN
V_OUT1
C_OUT1
R_1FB1
R_1EN2
R_2FB1
R_2EN2
PGND SGND
Figure 7. MAX15022 Double Buck with Tracking and Two Additional LDOs
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