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MC33997DWR2 数据表(PDF) 8 Page - Freescale Semiconductor, Inc

部件名 MC33997DWR2
功能描述  Switching Power Supply with Linear Regulators
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

MC33997DWR2 数据表(HTML) 8 Page - Freescale Semiconductor, Inc

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33997
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
8
Characteristic
Symbol
Min
Typ
Max
Unit
SENSOR SUPPLIES VREF1, VREF2
VREF On-Resistance, TA = -40°C
IVREF = 200 mA, IVDDH = 200 mA, VPWR = KA_VPWR = 14 V, EN = 5.0 V
RDS(on)
280
m
VREF On-Resistance, TA = +25°C
IVREF = 200 mA, IVDDH = 200 mA, VPWR = KA_VPWR = 14 V, EN = 5.0 V
RDS(on)
350
m
VREF On-Resistance, TA = +125°C
IVREF = 200 mA, IVDDH = 200 mA, VPWR = KA_VPWR = 14 V, EN = 5.0 V
RDS(on)
455
m
VREF Short-to-Battery Detect Current
VPWR = KA_VPWR = 14 V, EN = 5.0 V, SNSEN = 5.0 V
ISC_Bat
500
900
mA
VREF Short-to-Ground Detect Current
VPWR = KA_VPWR = 14 V, EN = 5.0 V, SNSEN = 5.0 V
ISC_Gnd
500
900
mA
Maximum Output Capacitance (Total) (Note 13)
CVREF
33
39
nF
SUPERVISORY CIRCUITS
PWROK Undervoltage Threshold on VDDL, FBL Ramps Down
VPWR = KA_VPWR = 14 V, IVDDH = 200 mA
VFBL(thL)
2.6
3.1
V
PWROK Undervoltage Threshold on VDDH
VPWR = KA_VPWR = 14 V, IVDDH = 200 mA
VDDH(thL)
4.5
4.8
V
VDDH Overvoltage Threshold
VPWR = KA_VPWR = 10 V, IVDDH = 200 mA
VDDH(thH)
5.12
5.7
V
PWROK Open Drain On-Resistance
VPWR = KA_VPWR = 14 V, EN = 5 V, IPwrOK = 5.0 mA
RDS(on)
200
VKAMOK Threshold,
VPWR = KA_VPWR = 14 V, IVDDH = 200 mA
VKAM(thL)
0.9
1.9
V
VKAMOK Threshold on VPWR, VPWR Ramps Up
KA_VPWR = 14 V, IVDDH = 200 mA
VPWRok(th)
4.0
5.0
V
VKAMOK Open Drain On-Resistance
VPWR = KA_VPWR = 14 V, EN = 0 V, IVKAMOK = 10 mA
RDS(on)
50
200
Enable Input Voltage Threshold (Pin EN)
VIH
1.0
2.0
V
Enable Pull-Down Current (Pin EN), EN = 1.0 V VDDH to VIL(min)
IPD
500
1200
nA
Sensor Enable Input Voltage Threshold (Pin SNSEN)
VIH
1.0
2.0
V
Sensor Enable Pull-Down Current (Pin SNSEN)
SNSEN = 1.0 V VDDH to VIL(min)
IPD
500
1200
nA
Notes
13.
Recommended value.
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.
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com


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