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CMPWR330 数据表(PDF) 2 Page - California Micro Devices Corp

部件名 CMPWR330
功能描述  400mA SMARTOR Dual Regulator with V switch?
PDF  8 Pages
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制造商  CALMIRCO [California Micro Devices Corp]
网页  http://www.calmicro.com
标志 CALMIRCO - California Micro Devices Corp

CMPWR330 数据表(HTML) 2 Page - California Micro Devices Corp

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CALIFORNIA MICRO DEVICES
©2001 California Micro Devices Corp. All rights reserved. Smart OR™ is a trademark of California Micro Devices.
3/6/2001
215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com
2
CMPWR330
ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
ESD Protection (HBM)
2000
V
VCC, VSBY Input Voltage
6.0, GND –0.5
V
VAUX Input Voltage
4.0, GND –0.5
V
Temperature: Storage
–40 to 150
°C
Operating Ambient
0 to 70
°C
Operating Junction
0 to 125
°C
Power Dissipation: (Note 1)
Internally Limited
W
OPERATING CONDITIONS
Parameter
Range
Unit
VCC , VSBY
5 ± 0.25
V
VAUX
3.3 ± 0.3
V
Temperature (Ambient)
0 to 70
°C
Load Current
0 to 400
mA
CEXT
10 ± 20%
µF
ELECTRICAL OPERATING CHARACTERISTICS
(over operating conditions unless specified otherwise)
Parameter
Conditions
MIN
TYP
MAX
UNIT
VOUT
Regulator Output Voltage
0mA < ILOAD < 400mA
3.135
3.30
3.465
V
ILIM
Regulator Current Limit
500
mA
IS/C
Short Circuit Current
VCC/SBY = 5V, Vout = 0V
150
mA
VR LOAD
Load Regulation
VCC = 5V, ILOAD = 5 to 400mA
20
mV
VR LINE
Line Regulation
VCC = 4.5V to 5.5V, ILOAD = 5mA
2
mV
VCCSEL
VCC Select Voltage
VSBY or VAUX present
4.40
4.60
V
VCCDES
VCC Deselect Voltage
VSBY or VAUX present
4.00
4.20
V
VHYST
Hysteresis Voltage (Note 2)
VSBY or VAUX present
0.20
V
RSW
VAUX Switch Resistance
0.25
0.4
IRCC
VCC Reverse Leakage
One supply input taken to
IRSBY
VSBY Reverse Leakage
ground while the others remain
5
100
µA
IRAUX
VAUX Reverse Leakage
at nominal voltage
ICC
VCC Supply Current
VCC > VCCSEL, ILOAD = 0mA
0.8
1.5
mA
ISBY
VSBY Supply Current
VCC < VCCDES, ILOAD = 0mA
0.8
1.5
mA
IAUX
VAUX Supply Current
VAUX is selected, ILOAD = 0mA
0.2
0.30
mA
IGND
Ground Current
VAUX is selected, (vCC/SBY = 0V)
0.2
0.30
mA
VCC/SBY = 5V, ILOAD = 0mA
0.8
1.5
mA
VCC/SBY = 5V, ILOAD = 400mA
1.0
2.0
mA
TDISABLE
Shutdown Temperature
160
°C
THYST
Thermal Hysteresis
20
°C
Note 1: At rated load, the power dissipation will be 0.68W (1.7V x 0.4A). Under these conditions, (in a 70°C ambient), the thermal
resistance from junction to ambient (
θ
JA) must not exceed 80°C/W. This is typically achieved with 2 square inches of copper printed
circuit board area connected to the GND pins for heat spreading, or equivalent.
Note 2: The disturbance on V
CC during supply changeover should be kept below the hysteresis voltage to prevent any chatter. The source
resistance on the V
CC supply should be kept to less than 0.3Ω to ensure precise switching.



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