MC33023DW ON Semiconductor, MC33023DW Datasheet - Page 8

• Manufacturer Part Number: MC33023DW
• Description: IC CTRLR PWM SGL END HF 16-SOIC
• Manufacturer: ON Semiconductor

Specifications of MC33023DW

• Pwm Type: Voltage/Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 90%
• Voltage - Supply: 10 V ~ 30 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Frequency-max: 1MHz
• Duty Cycle (max): 90 %
• Output Voltage: 5.05 V to 5.15 V
• Output Current: 500 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 1000 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 105 C
• Fall Time: 30 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 30 ns
• Synchronous Pin: Yes
• Topology: Flyback, Forward
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Output Ramp
Comparator
Error Amp
Soft-Start
Output
Clock
PWM
C
R
T
T
Noninverting Input
Error Amp Output
C
T
Inverting Input
Soft-Start
Ramp
Clock
C
SS
V
ref
16
4
5
6
7
3
2
1
8
1.25 V
Error
Amp
Oscillator
Figure 20. Current Limit Operating Waveforms
Figure 19. Representative Block Diagram
+
Comparator
9.0 mA
Q
PWM
R
S
4.2 V
http://onsemi.com
UVLO
V
ref
Soft-Start Latch
10
Reference
Regulator
8
Ground
0.5 V
PWM Latch
R
S
UVLO
9.2 V
V
Q
CC
Shutdown
Current
Limit
1.4 V
12
15
11
9
13
14
Output
V
V
Current Limit Reference
Current Limit/Shutdown
CC
C
Power Ground
V
CC
V
in