MAX5069 Maxim Integrated, MAX5069 Datasheet - Page 18

• Manufacturer Part Number: MAX5069
• Description: High-Frequency / Current-Mode PWM Controller with Accurate Oscillator and Dual FET Drivers
• Manufacturer: Maxim Integrated

High-Frequency, Current-Mode PWM Controller
with Accurate Oscillator and Dual FET Drivers
18
UVLO/EN
HYST**
SCOMP
FLTINT
AGND
______________________________________________________________________________________
CS
FB
*MAX5069A/D
**MAX5069B/C
1.23V
5kΩ
SOFT-START
DIGITAL
1.23V/
1.18V
60µA
UVLO
BLANKING
70ns
CURRENT-LIMIT
COMPARATOR
2.8V/
1.6V
314mV
COMPENSATION
Q
SLOPE
R
S
ERROR
AMP
+
+
Σ
*
COMP
1.6V
COMPARATOR
PWM
TRANSISTOR COUNT: 4266
PROCESS: BiCMOS
SYNC*
OSC
MAX5069
REFERENCE
RT
1.23V
DEAD
TIME
S
R
DT
OUT
Q
OUT
BOOTSTRAP
Functional Diagram
CLAMP
UVLO
26V
V
IN
Chip Information
REG_OK
SHUTDOWN
THERMAL
REGULATOR
21.6V/
9.74V
IN
V
CC
OUT
5V
IN
REG5
V
NDRVA
NDRVB
PGND
CC