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參數(shù)資料
| 型號(hào)： | LM2575-12BU |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Precision Chopper-Stabilized Operational Amplifier 8-PDIP |
| 中文描述： | 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封裝： | TO-263, 5 PIN |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大?。?/td> | 195K |
| 代理商： | LM2575-12BU |
www.ti.com
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
Package Thermal Data
(1)
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
LM2575
1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATOR
SLVS569D–JANUARY 2005–REVISED JULY 2005
MIN
MAX
UNIT
V
V
V
°
C
°
C
V
IN
Supply voltage
ON/OFF pin input voltage
Output voltage to GND (steady state)
Maximum junction temperature
Storage temperature range
42
V
IN
–1
150
150
–0.3
T
J
T
stg
–65
(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.
PACKAGE
PDIP (N)
TO-263 (KTT)
BOARD
θ
JC
θ
JCB
θ
JA
High K, JESD 51-7
High K, JESD 51-5
51
°
C/W
67
°
C/W
TBD
TBD
(1)
Maximum power dissipation is a function of T
(max),
θ
, and T
. The maximum allowable power dissipation at any allowable ambient
temperature is P
D
= (T
J
(max) – T
A
)/
θ
JA
. Operating at the absolute maximum T
J
of 150
°
C can affect reliability.
MIN
4.75
–40
MAX
UNIT
V
°
C
V
IN
T
J
Supply voltage
Operating virtual junction temperature
40
125
4
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