參數資料
型號: L6932D18TR
廠商: 意法半導體
英文描述: HIGH PERFORMANCE 2A ULDO LINEAR REGULATOR
中文描述: 高性能甲ULDO線性穩(wěn)壓器
文件頁數: 8/10頁
文件大小: 355K
代理商: L6932D18TR
L6932
8/10
Figure 10. Thermal Impedance
Considering a pulse duration of 1sec, the thermal impedance is close to 20°C/W, allowing much bigger power
dissipated.
Example:
Vin = 3.3V
Vout = 1.8V
Iout = 2A
Pulse Duration = 1sec
The power dissipated by the device is:
P
DISS
= (V
IN
- V
OUT
) · I
OUT
= 1.5 · 2 3W
Considering a thermal impedance of 20°C/W, the maximum junction temperature will be:
T
J
= T
A
+ Z
THJA
· P
DISS
= 60 + 60 = 120°C
Obviously, with pulse durations longer than approximately 10sec the thermal impedance is very close to the
thermal resistance (60°C/W to 70°C/W).
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參數描述
L6932D2.5 功能描述:低壓差穩(wěn)壓器 - LDO 2.5V 2A Ultra LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
L6932D2.5TR 功能描述:低壓差穩(wěn)壓器 - LDO 2.5V 2A Ultra LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
L6932D25 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH PERFORMANCE 2A ULDO LINEAR REGULATOR
L6932D25TR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH PERFORMANCE 2A ULDO LINEAR REGULATOR
L6932D2TR.5 功能描述:低壓差穩(wěn)壓器 - LDO 2.5V 2A Ultra LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20