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MC33998 Datasheet(PDF) 7 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) 7 Page - Freescale Semiconductor, Inc

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MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33998
7
STATIC ELECTRICAL CHARACTERISTICS (continued)
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
LINEAR REGULATOR VDDL
VDDL Output Voltage
VPWR = KA_VPWR = 14 V, IVDDL = 200 mA
VDDL
2.5
2.6
2.7
V
VDDL Line Regulation
VDDH = 4.8 V to 5.2 V, IVDDL = 400 mA
RegLnVDDL
-30
30
mV
VDDL Load Regulation
VPWR = KA_VPWR = 14 V, IVDDL = 10 mA to 400 mA
RegLdVDDL
-70
70
mV
DRVL Output Current
VPWR = KA_VPWR = 14 V, VDRVL = 1.0 V
IDRVL
5.0
11
25
mA
VDDL Active Discharge Resistance
VPWR = KA_VPWR = 14 V, EN = 0 V, IFBL = 10 mA
RLDisch
1.0
10
VDDH to VDDL Active Clamp Resistance
VPWR = KA_VPWR = 14 V, EN = 0 V, IVDDH = 50 mA, VFBKB = 0 V
RCLAMP
0.6
10
VDDL Output Capacitor Capacitance (Note 12)
CVDDL
68
µF
VDDL Output Capacitor ESR (Note 12)
ESRVDDL
0.125
KEEP-ALIVE (STANDBY) REGULATOR VKAM
VKAM Output Voltage
IVKAM = 5.0 mA, VPWR = KA_VPWR = 18 V, EN = 5.0 V
VKAM
2.5
2.7
V
VKAM Output Voltage, EN = 0 V (Standby Mode)
VPWR = KA_VPWR = 26 V, IVKAM = 0.5 mA
VPWR = KA_VPWR = 18 V, IVKAM = 5.0 mA
VPWR = KA_VPWR = 5.0 V, IVKAM = 10.0 mA
VPWR = 0 V, KA_VPWR = 3.5 V, IVKAM = 5.0 mA
VKAM
2.5
2.5
2.5
2.0
2.7
2.7
2.7
2.7
V
VKAM Line Regulation, EN = 0 V (Standby Mode)
VPWR = KA_VPWR = 5.0 V to 18 V, IVKAM = 2.0 mA
RegLnVKAM
-20
20
mV
VKAM Load Regulation, EN = 0 V (Standby Mode)
VPWR = KA_VPWR = 14 V, IVKAM = 1.0 mA to 10 mA
RegLdVKAM
0
100
mV
Differential Voltage VKAM - VDDL
EN = 5.0 V, IVKAM = 5.0 mA, VPWR = KA_VPWR = 14 V, IVDDL = 200 mA
RegVKAM
-20
60
mV
VKAM Output Capacitor Capacitance (Note 12)
CVKAM
4.7
µF
VKAM Output Capacitor ESR (Note 12)
ESRVKAM
1.4
Notes
12.
Recommended value.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com


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