KIT33730EKEVBE Freescale Semiconductor, KIT33730EKEVBE Datasheet - Page 13

• Manufacturer Part Number: KIT33730EKEVBE
• Description: Power Management Modules & Development Tools SWITCH MODE PWR SUP
• Manufacturer: Freescale Semiconductor
• Type: Linear Regulators - Standardr

Specifications of KIT33730EKEVBE

• Product: Power Management Modules
• Silicon Manufacturer: Freescale
• Silicon Core Number: MC33730
• Kit Application Type: Power Management
• Application Sub Type: SMPS
• Kit Contents: Board, CD
• Rohs Compliant: Yes
• For Use With/related Products: MC33730
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5.0 VOLT BUCK REGULATOR
following protected and regulated outputs, VREF1, VREF2,
VDD3, and VDDL.
OSCILLATOR
regulator. The frequency of oscillation is selected by an
external resistor to ground.
BAND GAP REFERENCE
standard for all the current and voltage sources in the
MC33730.
PROTECTION FET DRIVER
connections from damaging the MC33730. The gate drive for
the Protection FET is provided by this driver circuit.
SLEEP/WAKE CIRCUITRY
operation for the MC33730, Sleep mode and Wake mode. In
the Sleep mode, only the keep alive outputs are active, and
the rest of the circuitry is in a low power drawing sleep state.
In the Wake mode, the MC33730 is fully functional and
normal current is being consumed.
IGNITION DRIVER
except for the keep alive voltage output(s). It also provides an
Analog Integrated Circuit Device Data
Freescale Semiconductor
This is the main regulator that supplies 5.0 Volts to the
This is the frequency source for the switching (buck) 5 Volt
This is the main voltage reference, which is used as the
The protection FET is used to prevent reverse battery
This circuitry is responsible for the two main modes of
This block of circuitry controls all the voltage outputs,
MC33730 - Functional Block Diagram
Voltage Programmming Input
Band Gap Reference
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
Internal Functions
Input Functions
Ignition Input
Oscillator
Protection FET Driver
Sleep/Wake Circuitry
output signal to indicate that the ignition switch has been
activated.
VREF1
be used to supply external sensors or other analog circuits
requiring a regulated, short-circuit protected 5.0 volt supply.
VREF2
be used to supply external sensors or other analog circuits
requiring a regulated, short-circuit protected 5.0 volt supply.
VDD3 REGULATOR
supplies. This supply is controlled by the ignition switch.
VDDL REGULATOR
supplies. This supply is controlled by the ignition switch.
VKAM
supplies. This supply is NOT controlled by the ignition switch.
VOLTAGE PROGRAMMING
voltage that is available on the VDD3, VDDL and VKAM
outputs.
and P3 and the resultant voltage values.
This output is one of two protected 5.0 volt outputs that can
This output is one of two protected 5.0 volt outputs that can
This is one of three, voltage programmable, regulated
This is one of three, voltage programmable, regulated
This is one of three, voltage programmable, regulated
P1, P2, and P3 are three logic level inputs that control the
Table 6
indicates the 8 different combinations of P1, P2,
Output Functions
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
Linear Regulator Outputs
5 Volt Protected Outputs
(VDDL, VDD3, VKAM)
5 Volt Buck Switching
(VREF1, VREF2)
Reset Circuitry
Ignition Driver
Regulator
FUNCTIONAL DESCRIPTION
33730
13