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參數(shù)資料
| 型號： | LT1585CT-3.38 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed |
| 中文描述： | 3.38 V FIXED POSITIVE LDO REGULATOR, 1.4 V DROPOUT, PSFM3 |
| 封裝： | PLASTIC, TO-220, 3 PIN |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 148K |
| 代理商： | LT1585CT-3.38 |
1
LT1585-1.5/LT1585A-1.5
Fixed 1.5V, 4.6A and 5A
Low Dropout, Fast Response
GTL+ Regulators
DESCRIPTIOU
The LT
1585-1.5/LT1585A-1.5 are low dropout, 3-termi-
nal regulators with 4.6A and 5A output current capability
respectively, and a fixed 1.5V output voltage. The designs
are optimized for low voltage applications where transient
response and minimum input voltage are critical. Similar to
the LT1084, they have lower dropout and faster transient
response. These improvements make them ideal for low
voltage microprocessor applications, especially as the
regulator in an Intel processor GTL+ supply.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal lim-
iting provides protection against any combination of over-
load that creates excessive junction temperatures.
The LT1585-1.5/LT1585A-1.5 are available in the through-
hole 3-pin TO-220 power package and 3-pin plastic DD.
I
Fast Transient Response
I
Guaranteed Dropout Voltage at Multiple Currents
I
Load Regulation: 0.05% Typ
I
Trimmed Current Limit
I
On-Chip Thermal Limiting
I
GTL+ Power Supply
I
Low Voltage Logic Supplies
I
Battery-Powered Circuitry
, LTC and LT are registered trademarks of Linear Technology Corporation.
C3 TO C6
100
μ
F
10V
C1, C2
100
μ
F
10V
+
C7 TO
C12
1
μ
F
R1
75
R5
100
R7
100
R8
100
R6
100
R3
75
R4
150
R2
150
V
REF
V
REF
Q1
Q3
+
3.3V
V
TT
= 1.5V
5A
V
IN
V
OUT
GND
LT1585A-1.5
142 TOTAL SIGNAL LINES
C13
0.1
μ
F
Q4
Q2
1585-1.5 TA01
C14
0.1
μ
F
RX
TX
RX
TX
RX
TX
RX
TX
NOTE: LTC RECOMMENDS CENTRALLY
LOCATING THE LT1585A-1.5 TO MINIMIZE
V
DISTRIBUTION DROPS AND USING
SEPARATE V
REF
GENERATORS AT EACH
BUS END
Intel Processor GTL+ Supply
FEATURES
APPLICATIU
TYPICAL APPLICATIO
U
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