MC33997DW Freescale Semiconductor, MC33997DW Datasheet - Page 12

• Manufacturer Part Number: MC33997DW
• Description: IC SWITCH 3.3/5V SUPPLY 24-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MC33997DW

• Applications: Switching Power Supply, Microprocessor
• Voltage - Input: 6 ~ 26.5 V
• Number Of Outputs: 5
• Voltage - Output: 3.3V, 5V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

12
33997
ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
5.0
5.0
14
5.0
3.3
6.0
5.0
5.0
14
0
0
5.0
3.3
0
0
0
0
0
0
0
0
0
2 .5 V
4.0V
?? V
Figure 6. PWROK Delay Timer (Power-On Reset)
t RET
4 .6 V
2.0V
Figure 5. VREF Retry Timer
t DET
Figure 4. Soft-Start Time
TIMING DIAGRAMS
TIME
t SS
t D(PWR OK)
TIME
TIME
2 .0 V
4.8V
Analog Integrated Circuit Device Data
Freescale Semiconductor