ADP2116-EVALZ AD [Analog Devices], ADP2116-EVALZ Datasheet - Page 19

• Manufacturer Part Number: ADP2116-EVALZ
• Description: Configurable, Dual 3 A/Single 6 A, Synchronous, Step-Down DC-to-DC Regulator
• Manufacturer: AD [Analog Devices]

SIMPLIFIED BLOCK DIAGRAM
SYNC/CLKOUT
OPCFG
COMP1
COMP2
V1SET
V2SET
SCFG
FREQ
EN1
EN2
FB1
SS1
FB2
SS2
I
I
SS
SS
6µA
6µA
OSC
=
=
CONFIGURATION
CURRENT LIMIT/
V
V
DD
DD
SELECTOR
SELECTOR
V
V
OUT
OUT
PHASE
SHIFT
SHUTDOWN
–
+
+
THERMAL
–
+
+
V
V
RAMP GENERATOR
RAMP GENERATOR
REF
REF
COMPENSATION/
COMPENSATION/
g m
AMPLIFIER
g m
AMPLIFIER
= 0.6V
= 0.6V
SLOPE
SLOPE
ERROR
ERROR
V
V
UVLO
VDD
OSC_CH1
OSC_CH2
CLIM_CH1
CLIM_CH2
PULSE SKIP ENABLE
FB1
FB2
Figure 57. Simplified Block Diagram
OTSD
GND
Rev. 0 | Page 19 of 36
COMPARATOR
COMPARATOR
PULSE SKIP
PULSE SKIP
CURRENT-
CURRENT-
UVLO
OSC_CH1
OSC_CH2
ENABLE
ENABLE
LIMIT
LIMIT
UVLO
OTSD
UVLO
OTSD
COMPARATOR
COMPARATOR
PWM
PWM
0.7V
0.5V
0.7V
0.5V
CLIM_CH1
CLIM_CH2
V
ANTI-SHOOT-
PROTECTION
V
ANTI-SHOOT-
PROTECTION
LOGIC AND
LOGIC AND
FB1
THROUGH
FB2
THROUGH
CONTROL
CONTROL
DRIVERS
DRIVERS
MOSFET
MOSFET
GATE
GATE
WITH
WITH
HICCUP
HICCUP
TIMER
TIMER
+
+
–
–
CURRENT-SENSE
CURRENT-SENSE
AMPLIFIER
AMPLIFIER
CHANNEL 1
CHANNEL 2
NMOS
NMOS
PMOS
PMOS
POWER
POWER
STAGE
STAGE
PGOOD1
VIN1
VIN2
VIN3
SW1
SW2
PGND1
PGND2
PGOOD2
VIN4
VIN5
VIN6
SW3
SW4
PGND3
PGND4
ADP2116