KIT33730EKEVBE Freescale Semiconductor, KIT33730EKEVBE Datasheet - Page 19

• 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

current Sleep mode and Normal mode of operation.
SLEEP MODE
VIGN pin and the REGON pins are pulled low. Both of these
pins have internal pull-downs, which assures that the IC is in
this defined state when those pins are left open.
are disabled except for the Standby regulators. The Keep-
Alive regulator VKAM stays always operational (see
If this output stays unloaded, the IC in the Sleep mode
consumes very low quiescent current (I
regulator (see
Analog Integrated Circuit Device Data
Freescale Semiconductor
The 33730 can operate in the two modes: Low quiescent
The 33730 operates in the Sleep mode when both the
When the IC enters the Sleep mode, all major functions
If the VDD3 output was programmed as a VDD3 Standby
Table
6), it too stays operational during the
V DDH = 5. 0 V
V DDL = V DD3 = 3. 3V
Q
RS TL, RS T3
RS TKA M
).
RSTH
Figure 7. Battery Voltage Ramp Down
VDDH
out of
regulation
B att ery
Voltage
OPERATIONAL MODES
VDD3, V DDL
act ively
pulled low
Table
V DD3,
V DDL
out of
regulat ion
6).
100us
Sleep mode, as well as the VKAM regulator. In this case, the
IC consumes about 100 μA of additional quiescent current
(assuming both VKAM and VDD3 Standby outputs are
unloaded).
active and their outputs (as well as the outputs of RSTL and
RSTH) are in the high-impedance state.
NORMAL MODE
either the VIGN pin or the REGON pin is pulled high. In this
case the IC is fully operational with all regulator outputs ready
to supply power and all control, monitoring and protection
features activated.
NOTE: In the Sleep mode, the RSTKAM and RST3 are not
The 33730 enters the Normal mode of operation when
V
KA M
V DDH
turned
off
= 1.0V
4.5V
3.0V
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
33730
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