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參數(shù)資料
| 型號(hào)： | LM317MDT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR |
| 中文描述： | 中型目前的1.2到37V可調(diào)電壓調(diào)節(jié)器 |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大?。?/td> | 187K |
| 代理商： | LM317MDT |
www.ti.com
Absolute Maximum Ratings
(1)
over operating temperature range (unless otherwise noted)
Package Thermal Data
(1)
Recommended Operating Conditions
Electrical Characteristics
over recommended operating virtual-junction temperature range, V
I
– V
O
= 5 V, I
O
= 0.1 A (unless otherwise noted)
TEST CONDITIONS
(1)
LM317M
3-TERMINAL ADJUSTABLE REGULATOR
SLVS297M–APRIL 2000–REVISED OCTOBER 2005
MIN
MAX
UNIT
V
°
C
°
C
°
C
V
I
– V
O
T
J
Input-to-output differential voltage
Operating virtual junction temperature
Lead temperature (within 5 mils of the plastic body for 10 s)
Storage temperature range
40
150
260
150
KTP, DCY packages
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
PowerFLEX (KTP)
SOT-223 (DCY)
BOARD
θ
JC
θ
JCB
3
°
C/W
θ
JA
High K, JESD 51-5
High K, JESD 51-7
28
°
C/W
53
°
C/W
30.6
°
C/W
(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
MAX
37
0.5
125
125
UNIT
V
A
V
I
– V
O
I
O
Input-to-output voltage differential
Output current
No suffix
Q suffix
0
T
J
Operating virtual junction temperature
°
C
–40
PARAMETER
MIN
TYP
0.01
0.02
0.1
0.3
50
0.2
1.25
0.7
MAX
0.04
0.07
0.5
1.5
100
UNIT
T
J
= 25
°
C
Full temperature range
T
J
= 25
°
C
Full temperature range
Line regulation
(2)
V
I
– V
O
= 3 V to 40 V
%/V
Load regulation
I
O
= 10 mA to 500 mA
%V
O
ADJUST terminal current
Change in ADJUST terminal current
Reference voltage
Output-voltage temperature stability
Minimum load current
to maintain regulation
μ
A
μ
A
V
%
V
I
– V
O
= 3 V to 40 V,
V
I
– V
O
= 3 V to 40 V,
I
O
= 10 mA to 500 mA
I
O
= 10 mA to 500 mA
5
1.2
1.3
3.5
10
mA
V
I
– V
O
≤
15 V
V
I
– V
O
= 40 V, P
D
≤
P
D(max)
,
f = 10 Hz to 10 kHz,
500
150
900
250
0.003
Maximum output current
mA
T
J
= 25
°
C
T
J
= 25
°
C
C
ADJ
= 0
(3)
C
ADJ
= 10
μ
F
(3)
RMS output noise voltage (% of V
O
)
%V
O
65
80
0.3
V
O
= 10 V, f = 120 Hz,
T
J
= 25
°
C
Ripple rejection
dB
66
Long-term stability
T
J
= 25
°
C
1
%/1k hrs
(1)
(2)
(3)
Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Line voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input.
CADJ is connected between the ADJUST terminal and ground.
2
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| LM317MDTG | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 500mA ADJ 1.2-37V Positive RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| LM317MDTRK | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 500mA ADJ 1.2-37V RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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