參數(shù)資料
型號： TLE4254EJS
廠商： INFINEON TECHNOLOGIES AG
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： GREEN, PLASTIC, MS-012BA, SOP-8
文件頁數(shù)： 19/21頁
文件大?。?/td> 451K
代理商： TLE4254EJS
Data Sheet
7
Rev. 1.2, 2009-11-18
TLE4254
General Product Characteristics
4.2
Functional Range
Note: Within the functional range the IC operates as described in the circuit description. The electrical
characteristics are specified within the conditions given in the related electrical characteristics table.
4.3
Thermal Resistance
Pos.
Parameter
Symbol
Limit Values
Unit
Conditions
Min.
Max.
4.2.1
Input Voltage
V
I
445
V
V
I ≥ VQ + Vdr
4.2.1
Adjust / Enable Input Voltage
(Voltage Tracking Range)
V
ADJ/EN
2.0
–
V
–
4.2.2
Junction Temperature
T
j
-40
150
°C–
4.2.3
Output Capacitor
C
Q
1–
F
– 1)
1) Not subject to production test; specified by design.
4.2.4
ESR
CQ
–5
– 1)
Pos.
Parameter
Symbol
Limit Values
Unit
Conditions
Min.
Typ.
Max.
PG-DSO-8:
4.3.1
Junction to Ambient
R
thJA
–
155
–
K/W
Footprint only 1) 2)
1) Not subject to production test; specified by design.
2) Package mounted on PCB FR4; 80 x 80 x 1.5 mm; 35 m Cu, 5 m Sn; horizontal position; zero airflow.
4.3.2
–
96
–
K/W
300 mm2 PCB heatsink area 1) 2)
4.3.3
–
86
–
K/W
600 mm2 PCB heatsink area 2) 1)
PG-DSO-8 exposed pad:
4.3.4
Junction to Case
R
thJC
–
15
–
K/W
measured to exposed pad
4.3.5
Junction to Ambient
R
thJA
–47
–
K/W
–3)
3) Specified
R
thJA value is according to Jedec JESD51-2,-5,-7 at natural convection on FR4 2s2p board; The Product
(Chip+Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 inner copper layers (2 x 70m Cu, 2 x 35m Cu).
Where applicable a thermal via array under the exposed pad contacted the first inner copper layer.
4.3.6
–
159
–
K/W
Footprint only 2) 1)
4.3.7
–
71
–
K/W
300 mm2 PCB heatsink area 2) 1)
4.3.8
–
60
–
K/W
600 mm2 PCB heatsink area 2) 1)
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TLE4254EJSXUMA1 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel
TLE4254GA 功能描述:低壓差穩(wěn)壓器 - LDO LDO Lin Adj Neg/Pos -5V to 45V 0.07A 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(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TLE4254GAXUMA1 制造商:Infineon Technologies AG 功能描述:LDO Regulator Neg/Pos -5V to 45V 0.07A 8-Pin DSO 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Cut TR (SOS) 制造商:Infineon Technologies AG 功能描述:IC REG LDO ADJ 70MA DSO8 制造商:Infineon Technologies AG 功能描述:IC LOW DROP VOLTAGE TRACKER DSO8
TLE4254GS 功能描述:低壓差穩(wěn)壓器 - LDO LDO Lin Adj Neg/Pos -5V to 45V 0.07A 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(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TLE4254GSXUMA1 制造商:Infineon Technologies AG 功能描述:LDO Regulator Neg/Pos -5V to 45V 0.07A 8-Pin DSO 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG LDO ADJ 70MA DSO8 制造商:Infineon Technologies AG 功能描述:IC LOW DROP VOLTAGE TRACKER DSO8
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