MAX5068BAUE+ Maxim Integrated Products, MAX5068BAUE+ Datasheet - Page 18

• Manufacturer Part Number: MAX5068BAUE+
• Description: IC CNTRLR PWM CRNT MD 16TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5068BAUE+

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1.25MHz
• Duty Cycle: 50%
• Voltage - Supply: 10.8 V ~ 24 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Frequency-max: 1.25MHz
• Duty Cycle (max): 50 %
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 25 KHz to 1250 KHz
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: Yes
• Topology: Flyback, Forward
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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