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MC33998 Datasheet(PDF) 6 Page - Freescale Semiconductor, Inc

Part No. MC33998
Description  Switching Power Supply with Linear Regulators
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC33998 Datasheet(HTML) 6 Page - Freescale Semiconductor, Inc

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33998
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
6
STATIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions 9.0 V VPWR 16 V, -40°C TJ = TA 125°C, using the typical application circuit (see
Figure 8) unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal
conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
GENERAL
Supply Voltage Range
Normal Operating Voltage Range (Note 9)
Extended Operating Voltage Range (Note 9)
VPWR(N)
VPWR(E)
6.0
18
18
26.5
V
Maximum Transient Voltage - Load Dump (Note 10)
VPWR(LD)
40
V
VPWR Supply Current
EN = 5.0 V, VPWR = 14 V, No Loads
IVPWR
25
150
mA
VPWR Quiescent Supply Current
EN = 0 V, VPWR = 12 V
IQ_VPWR
5.0
15
µA
KA_VPWR Supply Current,
EN = 5.0 V, KA_VPWR = 14 V, No Load on VKAM
IKAVPWR
0.5
3.0
mA
KA_VPWR Quiescent Supply Current
EN = 0 V, KA_VPWR = 12 V
IQ_KAVPWR
50
350
µA
BUCK REGULATOR VDDH
Buck Converter Output Voltage
IVDDH = 200 mA to 1.4 A, VPWR = KA_VPWR = 14 V
VDDH
4.9
5.1
V
Buck Converter Output Voltage
IVDDH = 1.4 A, VPWR = KA_VPWR = 6.0 V
VDDH
4.9
5.1
V
VDDH Line Regulation
VPWR = KA_VPWR = 10 V to 14 V, IVDDH = 200 mA
RegLnVDDH
-20
30
mV
VDDH Load Regulation
VPWR = KA_VPWR = 14 V, IVDDH = 200 mA to 1.4 A
VPWR = KA_VPWR = 6.0 V, IVDDH = 200 mA to 1.4 A
RegLdVDDH
-20
-20
20
20
mV
VDDH Active Discharge Resistance
VPWR = KA_VPWR = 14 V, EN = 0 V, IVDDH = 10 mA
RHDisch
1.0
15
P-CHANNEL MOSFET
Drain-Source Breakdown Voltage—Not Tested (Note 11)
BVDSS
45
V
Drain-Source Current Limit—Not Tested (Note 11)
IscSW1
-7.0
A
Notes
9.
VDDH is fully functional when the 33998 is operating at higher battery voltages, but these parameters are not tested. The test condition as are:
a) VDDH must be between 4.9 V and 5.1 V (200 mA to 1.4 A) for VPWR = 14 V to 18 V.
b) VDDH must be between 4.8 V and 5.5 V (200 mA to 1.4 A) for VPWR = 18 V to 26.5 V.
10.
Part can survive, but no parameters are guaranteed.
11.
Guaranteed by design but not production tested.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com


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