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參數(shù)資料
| 型號(hào)： | TPPM0301 |
| 英文描述： | Single-Output 400mA. 3.3V Low-Dropout (LDO) Regulator with Selectable 3.3V or Dual 5V Input |
| 中文描述： | 單輸出400mA的。 3.3V的低壓差（LDO）穩(wěn)壓器具有可選3.3V或雙5V輸入 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大?。?/td> | 106K |
| 代理商： | TPPM0301 |
TPPM0301
400-mA LOW-DROPOUT REGULATOR
WITH AUXILIARY POWER MANAGEMENT
SLVS315 – SEPTEMBER 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Table 1. Input Selection
INPUT VOLTAGE STATUS
(V)
INPUT SELECTED
OUTPUT
(V)
OUTPUT
(I)
5VCC
5VAUX
3.3VAUX
5VCC/5VAUX/3.3VAUX
3.3VOUT
IL (mA)
0
0
0
0
None
0
0
0
3.3
3.3VAUX
3.3
375
0
5
0
5VAUX
3.3
400
0
5
3.3
5VAUX
3.3
400
5
0
0
5VCC
3.3
400
5
0
3.3
5VCC
3.3
400
5
5
0
5VCC
3.3
400
5
5
3.3
5VCC
3.3
400
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage, 5-V main input, V
(5VCC)
(see Notes 1 and 2)
Auxiliary voltage, 5-V input, V
(5VAUX)
(see Notes 1 and 2)
Auxiliary voltage, 3.3-V input, V
(3.3VAUX)
(see Notes 1 and 2)
3.3-V output current limit, I
(LIMIT)
Continuous power dissipation, P
D
(see Note 3)
Electrostatic discharge susceptibility, human body model, V
(HBMESD)
Operating ambient temperature range, T
A
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating junction temperature range, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature (soldering, 10 second), T
(LEAD)
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.
NOTES:
1. All voltage values are with respect to GND.
2. Absolute negative voltage on these terminal should not be below –0.5 V.
3. R
θ
JA must be less than 55
°
C/W, typically achieved with two square inches of copper printed circuit board area connected to the GND
terminals for heat dissipation or equivalent.
7 V
7 V
5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 A
1 W
2 kV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
0
°
C to 70
°
C
–55
°
C to 150
°
C
–5
°
C to 120
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
260
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions
MIN
TYP
MAX
UNIT
5-V main input, V(5VCC)
5-V auxiliary input, V(5VAUX)
3.3-V auxiliary input, V(3.3VAUX)
Load capacitance, CL
Load current, IL
Ambient temperature, TA
4.5
5.5
V
4.5
5.5
V
3
3.6
V
μ
F
mA
°
C
4.23
4.7
5.17
0
400
0
70
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