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參數(shù)資料
| 型號： | 108847237 |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 12/24頁 |
| 文件大小： | 861K |
| 代理商： | 108847237 |
2
Tyco Electronics Corp.
Data Sheet
June 2001
3.3 Vdc and 5.0 Vdc Input, 1.5 Vdc - 3.3 Vdc Output, 5A
Austin Lite Non-Isolated SMT DC - DC Power Modules:
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute maximum stress ratings only. Functional operation of the device is not implied at these or any other conditions
in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for
extended periods can adversely affect device reliability. Input voltage range of VIN = 3.0V is listed as 3.3 VIN and
input voltage range of VIN = 4.5V - 5.5V is listed as 5.0 VIN..
Electrical Specifications
Table 1. Input Specifications
Fusing Considerations
CAUTION: This power module is not internally fused. An input line fuse must always be used.
This power module can be used in a wide variety of applications, ranging from simple stand-alone operation to an
integrated part of a sophisticated power architecture. To preserve maximum flexibility, internal fusing is not
included; however, to achieve maximum safety and system protection, always use an input line fuse. The safety
agencies require a normal blow fuse with a maximum rating of 10A (see Safety Specifications on page ).
Output Control
The control pin is a dual-function port that serves to enable/disable the converter or provide a means of adjusting
the output voltage over a prescribed range. When the control pin is grounded, the converter is disabled. With the
pin left open, the converter regulates to its specified output voltage. For any other voltage applied to the pin, the
output voltage follows this relationship:
Parameter
Device
Symbol
Min
Max
Unit
Input Voltage (continuous)
3.3 VIN
5.0 VIN
VIN
-0.3
3.6
5.5
Vdc
Imposed Output Voltage
All
VOIF
-0.3
5.5
Vdc
CTRL Terminal Voltage
All
CTRL
-0.3
2.0
Vdc
Storage Temperature
All
TA/STG
-40
125
°C
Parameter
Device
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
3.3 VIN
5.0 VIN
VIN
3.0
4.5
3.3
5.0
3.6
5.5
V
Input Ripple Rejection (120 Hz)
50
dB
Operating Input Current
(0A
≤ IOUT < 5A)
(3.0 V < VIN < 3.6V)
(4.5V < VIN < 5.5V)
3.3 VIN
5.0 VIN
IIN
—
6
5.5
A
Quiescent Input Current (IOUT = 0)
(3.0V < VIN < 5.5V)
All
IQ
——
mA
Input Ripple Current: 20 MHz BW, 250 nH
Input Inductance (see Figure )
3.3 VIN
5.0 VIN
IINripple
35 mAp-p
mAp-p
OUTNOM
CONTROL
OUT
V
=
5
.
1
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