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參數(shù)資料
| 型號： | TPS78533 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | FAST-TRANSIENT RESPONSE 3-A LOW-DROPOUT VOLTAGE REGULATORS |
| 中文描述： | 快速瞬態(tài)響應3 -低壓差電壓調節(jié)器 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大小： | 450K |
| 代理商： | TPS78533 |
www.ti.com
DETAILED DESCRIPTION
Pin Functions
Enable (EN)
Feedback (FB)
Input Voltage (IN)
Output Voltage (OUTPUT)
ABSOLUTE MAXIMUM RATINGS
over operating junction temperature range (unless otherwise noted)
(1)(2)
DISSIPATION RATING TABLE
TPS75801, TPS75815
TPS75818, TPS75825
TPS75833
SLVS330D–JUNE 2001–REVISED MARCH 2004
The TPS758xx family includes four fixed-output voltage regulators (1.5 V, 1.8 V, 2.5 V, and 3.3 V), and an
adjustable regulator, the TPS75801 (adjustable from 1.22 V to 5 V). The bandgap voltage is typically 1.22 V.
The EN terminal is an input which enables or shuts down the device. If EN is a low voltage level (<0.7 V), the
device will be in shutdown or sleep mode. When EN goes to a high voltage level (>2 V), the device will be
enabled.
FB is an input terminal used for the adjustable-output option and must be connected to the output terminal either
directly, in order to generate the minimum output voltage of 1.22 V, or through an external feedback resistor
divider for other output voltages. The FB connection should be as short as possible. It is essential to route it in
such a way to minimize/avoid noise pickup. Adding RC networks between FB terminal and V
O
to filter noise is
not recommended because it may cause the regulator to oscillate.
The V
IN
terminal is an input to the regulator.
The V
OUTPUT
terminal is an output from the regulator.
UNIT
Input voltage range, V
I
Voltage range at EN
Peak output current
Continuous total power dissipation
Output voltage, V
O
(OUTPUT, FB)
Operating junction temperature range, T
J
Storage temperature range, T
stg
ESD rating, HBM
ESD rating, CDM
-0.3 V to 6 V
-0.3 V to 6 V
Internally limited
See Dissipation Rating Table
5.5 V
-40
°
C to 150
°
C
-65
°
C to 150
°
C
2 kV
500 V
(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.
All voltage values are with respect to network terminal ground.
(2)
PACKAGE
TO-220
TO-263
R
Θ
JC
(
°
C/W)
2
2
R
Θ
JA
(
°
C/W)
(1)
58.7
(2)
38.7
(3)
(1)
For both packages, the R
values were computed using JEDEC high K board (2S2P) with 1 ounce internal copper plane and ground
plane. There was no air flow across the packages.
R
was computed assuming a vertical, free standing TO-220 package with pins soldered to the board. There is no heatsink attached
to the package.
R
was computed assuming a horizontally mounted TO-263 package with pins soldered to the board. There is no copper pad
underneath the package.
(2)
(3)
4
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