ISL97801BOOSTEVALZ Intersil, ISL97801BOOSTEVALZ Datasheet - Page 10

• Manufacturer Part Number: ISL97801BOOSTEVALZ
• Description: ISL97801 BOOST EVAL Board - RoHS COMPLIANT - 20LD QFN
• Manufacturer: Intersil

Functional Block Diagram
BOOSTN
BUCK/
EN/PWM
LEVEL
MODE
GND
V
REF
DC
2.7V-16V
LIGHT CONTROL
MODE CONTROL
CHARGE PUMP
START-UP
HALT
POR
V
EN O/P
START
VBAT
V
FAULT CONTROL
COMPENSATION
TEMP
TEMPERATURE
START
AND TIMER
FAULT
LEVEL (T)
TMAX
FIGURE 28. ISL97801 BLOCK DIAGRAM
HALT
R
HALT
CLK
AMP
VIN
PWM CONTROL
AND CURRENT
LDO AND REF
INNER LOOP
CURRENT
SENSE
LOAD
LIMIT
VDC
REF
FET
CURRENT
SENSE
EN O/P
V
DC
VHI
CLOCK AND RAMP
CLK
GENERATOR
R
ISL97801
AMP
SWD2
SWD1
SWS1
SWS2
ENL
FB
OVP
L