MSS1048-152NL AD [Analog Devices], MSS1048-152NL Datasheet - Page 3

• Manufacturer Part Number: MSS1048-152NL
• Description: Dual 5 A, 20 V Synchronous Step-Down
• Manufacturer: AD [Analog Devices]

Data Sheet
FUNCTIONAL BLOCK DIAGRAM
PGOOD1
PGOOD2
COMP1
COMP2
MODE
SCFG
SYNC
TRK1
TRK2
EN1
SS1
FB1
EN2
SS2
FB2
RT
1µA
1µA
I
I
SS1
SS2
4µA
0.54V
4µA
SLOPE RAMP2
0.54V
SLOPE RAMP1
0.7V
0.7V
0.6V
0.6V
1.2V
1.2V
OSCILLATOR
+
+
+
+
+
+
–
–
–
+
–
+
–
+
–
+
AMP1
AMP2
OVP
OVP
MODE_BUF
THRESHOLD
THRESHOLD
SKIP MODE
SKIP MODE
CLK1
CLK2
SLOPE RAMP1
SLOPE RAMP2
EN1_BUF
EN2_BUF
Σ
Σ
I2
I1
MAX
MAX
CMP1
+
CMP2
+
+
+
–
+
+
–
–
–
–
–
OCP
OCP
CLK1
CLK2
MODE_BUF
MODE_BUF
Rev. 0 | Page 3 of 32
CMP1
CMP2
SKIP
SKIP
ADP2325
HICCUP
HICCUP
Figure 3.
MODE
MODE
PROTECTION
PROTECTION
DRIVER WITH
DRIVER WITH
AND MOSFET
AND MOSFET
ANTICROSS
ANTICROSS
CONTROL
CONTROL
EN1_BUF
EN2_BUF
LOGIC
LOGIC
I1
I2
MAX
MAX
SELECTION
SELECTION
CURRENT-
CURRENT-
A
A
LOW-SIDE
CURRENT
LIMIT
LOW-SIDE
LIMIT
CS1
CS2
CURRENT
SENSE
SENSE
+
–
+
–
DRIVER
DRIVER
DRIVER
DRIVER
UVLO
UVLO
VDRV
VDRV
5V REGULATOR
REGULATOR
REGULATOR
BOOST
PVIN1
BOOST
+
+
–
–
NFET1
NFET2
PVIN1
BST1
SW1
DL1
PGND
VDRV
INTVCC
GND
PVIN2
BST2
SW2
DL2
ADP2325