MC33997DW Freescale Semiconductor, MC33997DW Datasheet - Page 4

• 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

Table 1. 33997 Pin Function Definition (continued)
4
33997
PIN CONNECTIONS
Pin Number
23
24
Pin Name
VKAM
EN
Enable Input. The EN pin is an input, which enables the main switching regulator and all other functions. When
this pin is low, the power supply is in a low quiescent state.
Keep-Alive (standby) 3.3 V Regulator Output. This is a 3.3 V low quiescent, low dropout regulator for Keep
Alive memory.
Definition
Analog Integrated Circuit Device Data
Freescale Semiconductor