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參數(shù)資料
| 型號(hào)： | RT9176 |
| 廠商： | Richtek Technology Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 5.0放大器正電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 252K |
| 代理商： | RT9176 |
RT9176
10
DS9176-11 March 2007
www.richtek.com
P
D
= (V
IN
- V
OUT
) x I
OUT
T
JUNCTION
= T
AMBIENT
+ (P
D
x
θ
JA
)
Note: T
JUNCTION
must not exceed 125
°
C
Current Limit Protection
RT9176 is protected against overload conditions. Current
protection is triggered at typically 1.75A.
Thermal Consideration
The RT9176 series contain thermal limiting circuitry
designed to protect itself from over-temperature conditions.
Even for normal load conditions, maximum junction
temperature ratings must not be exceeded. As mention
in thermal protection section, we need to consider all
sources of thermal resistance between junction and
ambient. It includes junction-to-case, case-to-heat-sink
interface, and heat sink thermal resistance itself.
Junction-to-case thermal resistance is specified from the
IC junction to the bottom of the case directly below the
die. Proper mounting is required to ensure the best
possible thermal flow from this area of the package to the
heat sink. The case of all devices in this series is
electrically connected to the output. Therefore, if the case
of the device must be electrically isolated, a thermally
conductive spacer is recommended.
Thermal Protection
RT9176 has thermal protection which limits junction
temperature to 150
°
C. However, device functionality is only
guaranteed to a maximum junction temperatu
re of +125
°
C.
The power dissipation and junction temperature for RT9176
are given by
Figure 6. Best Load Regulation Using Adjustable Output
Regulator
VIN
VOUT
GND
RT9176
R1
(Connect R1 to VOUT or case)
R2
V
IN
Connect R2 to load
R
L
R
Parasitic
Line Resistance
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RT9176-15GG | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| RT9176-15GL | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| RT9176-15GM | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| RT9176-15PG | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| RT9176-15PL | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
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