Functional diagram – Rainbow Electronics MAX5068 User Manual
Page 18
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MAX5068
High-Frequency, Current-Mode PWM Controller
with Accurate Programmable Oscillator
18
______________________________________________________________________________________
MAX5068
Σ
NDRV
S
Q
R
OSC
DEAD
TIME
THERMAL
SHUTDOWN
PGND
DT
RT
ERROR
AMP
PWM
COMPARATOR
CURENT-LIMIT
COMPARATOR
2.8V/
1.6V
5k
Ω
70ns
BLANKING
COMP
FB
CS
AGND
R
Q
S
60
µ
A
FLTINT
DIGITAL
SOFT-START
314mV
1.23V
REGULATOR
V
CC
IN
REG_OK
IN
V
CC
1.23V
REFERENCE
UVLO
1.23V/
1.18V
UVLO/EN
21.6V/
9.74V
V
IN
CLAMP
26V
BOOTSTRAP
UVLO
HYST*
REG5
1.6V
5V
OUT
SYNC**
SLOPE
COMPENSATION
***SCOMP
*MAX5068A/B/D AND MAX5068F ONLY.
**MAX5068A/B/C AND MAX5068E ONLY.
***MAX5068C/D/E/F ONLY.
+
+
*
Functional Diagram
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