Description
Reset detect circuitry Improved VDDL and VDD3 reset detect circuitry
33730
2
Analog Integrated Circuit Device Data Freescale Semiconductor
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
VBAT VBAT
KA_VBAT VKAM CP PFD
REG ON VIGN
IGN_ON
VREF1
VREF2 P1 P2 P3
RSTKAM RSTH RST3 RSTL
UVLO /OVLO
Feed
Features
- Provides all regulated voltages for Freescale 32-bit microcontroller family.
- Adjustable frequency switching buck regulator with slew-rate control.
- Power sequencing provided.
- Programmable voltages VDDL, VDD3 - 3% accuracy.
- Programmable standby regulator VKAM - 15% accuracy,
operating down to 4.5 V at the KA_VBAT pin.
- VDD3 can be programmed as an optional second standby
regulator with 15% accuracy.
- Provides two 5.0 V protected supplie.
MC33730 Datasheet
