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參數(shù)資料
| 型號： | TPS79428DGNR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ULTRALOW-NOISE, HIGH PSRR, FAST RF 250-mA LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 超低噪聲，高PSRR，快速射頻250毫安低壓降線性穩(wěn)壓器 |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 487K |
| 代理商： | TPS79428DGNR |
www.ti.com
ABSOLUTE MAXIMUM RATINGS
over operating temperature range unless otherwise noted
(1)
PACKAGE DISSIPATION RATINGS
θ
JA
SOT223
SOT223
4in
2
Top Side Only
0.5in
2
Top Side Only
53
°
C/W
110
°
C/W
1
2
CONDITIONS
PACKAGE
PCB AREA
Condition 1
Condition 2
3
2
1
0
0
25
50
75
T
A
(
°
C)
4
5
6
100
125
150
P
D
TPS79401, TPS79418
TPS79425, TPS79428
TPS79430, TPS79433
SLVS349D–NOVEMBER 2001–REVISED OCTOBER 2004
VALUE
-0.3 V to 6 V
-0.3 V to V
IN
+ 0.3 V
-0.3 V to 6 V
Internally limited
2 kV
500 V
See Dissipation Ratings Table
-40
°
C to 150
°
C
-65
°
C to 150
°
C
V
IN
range
V
EN
range
V
OUT
range
Peak output current
ESD rating, HBM
ESD rating, CDM
Continuous total power dissipation
Junction temperature range, T
J
Storage temperature range, T
stg
(1)
Stresses beyond those listed under
absolute maximum ratings
may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under
recommended operating
conditions
is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
AIR FLOW
(CFM)
0
150
250
T
≤
25
°
C
POWER RATING
2.27 W
2.50 W
2.60 W
T
= 70
°
C
POWER RATING
1.45 W
1.60 W
1.66 W
T
= 85
°
C
POWER RATING
1.18 W
1.30 W
1.35 W
PACKAGE
R
θ
JC
(
°
C/W)
R
θ
JA
(
°
C/W)
8.47
8.21
8.20
55.09
49.97
48.10
DGN
Figure 1. SOT223 Power Dissipation
3
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| TPS79428DGNRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO High PSRR Fast RF High-Enable 250-mA 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 |
| TPS79428DGNT | 功能描述:低壓差穩(wěn)壓器 - LDO High PSRR Fast RF High-Enable 250-mA 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 |
| TPS79428DGNTG4 | 功能描述:低壓差穩(wěn)壓器 - LDO High PSRR Fast RF High-Enable 250-mA 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 |
| TPS79430DCQ | 功能描述:低壓差穩(wěn)壓器 - LDO High PSRR Fast RF High-Enable 250-mA 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 |
| TPS79430DCQG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Sgl Output 250mA Fixed 3.0V Hi PSRR 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 |
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