Rainbow Electronics MAX5069 - Manual (Page 18)

MAX5069
High-Frequency, Current-Mode PWM Controller
with Accurate Oscillator and Dual FET Drivers
18 ______________________________________________________________________________________
MAX5069
Σ
NDRVA
NDRVB
S Q
R
OSC
OUT
OUT
DEAD
TIME
THERMAL
SHUTDOWN
PGND
DT RT
ERROR
AMP
PWM
COMPARATOR
CURRENT-LIMIT
COMPARATOR
2.8V/
1.6V
5kΩ
70ns
BLANKING
COMP
FB
CS
AGND
R Q
S
60µA
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
+
+
*
*MAX5069A/D
**MAX5069B/C
Functional Diagram
Chip Information
TRANSISTOR COUNT: 4266
PROCESS: BiCMOS