參數(shù)資料
型號(hào)： LT1587CT-3.45
廠(chǎng)商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 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： 3.45 V FIXED POSITIVE LDO REGULATOR, 1.3 V DROPOUT, PSFM3
封裝： PLASTIC, TO-220, 3 PIN
文件頁(yè)數(shù)： 4/12頁(yè)
文件大?。?/td> 276K
代理商： LT1587CT-3.45
4
LT1584/LT1585/LT1587
PARAMETER
Adjust Pin Current
Adjust Pin Current
Change (Note 3)
Minimum
Load Current
Quiescent Current
CONDITIONS
MIN
TYP
55
MAX
120
UNITS
LT1584/5/7
LT1584
LT1585/7
LT1584/5/7
G
μ
A
1.5V
≤
(V
IN
– V
OUT
)
≤
3V, 10mA
≤
I
OUT
≤
I
FULL LOAD
1.5V
≤
(V
IN
– V
OUT
)
≤
5.75V, 10mA
≤
I
OUT
≤
I
FULL LOAD
1.5V
≤
(V
IN
– V
OUT
)
≤
5.75V
G
0.2
2
5
μ
A
mA
G
10
LT1584/5/7-3.3
LT1584/5-3.38
LT1584/5/7-3.45 V
IN
= 5V
LT1584/5/7-3.6
LT1584
LT1584-3.3
LT1584-3.38
LT1584-3.45
LT1584-3.6
LT1585
V
IN
= 5V
V
IN
= 5V
V
IN
= 5V
f = 120Hz, C
OUT
= 25
μ
F Tant., (V
IN
– V
OUT
) = 2.5V, I
OUT
= 7A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 5.8V, I
OUT
= 7A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 5.88V, I
OUT
= 7A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 5.95V, I
OUT
= 7A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.1V, I
OUT
= 7A
f = 120Hz, C
OUT
= 25
μ
F Tant., (V
IN
– V
OUT
) = 3V,
I
OUT
= 4.6A, T
J
≥
25
°
C
f = 120Hz, C
OUT
= 25
μ
F Tant., (V
IN
– V
OUT
) = 3V,
I
OUT
= 4A, T
J
< 25
°
C
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.3V,
I
OUT
= 4.6A, T
J
≥
25
°
C
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.3V,
I
OUT
= 4A, T
J
< 25
°
C
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.38V, I
OUT
= 4A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.45V, I
OUT
= 4A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.6V, I
OUT
= 4A
f = 120Hz, C
OUT
= 25
μ
F Tant., (V
IN
– V
OUT
) = 3V, I
OUT
= 3A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.3V, I
OUT
= 3A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.45V, I
OUT
= 3A
f = 120Hz, C
OUT
= 25
μ
F Tant., V
IN
= 6.6V, I
OUT
= 3A
T
A
= 25
°
C, 30ms pulse
T
A
= 25
°
C, 30ms pulse
T
A
= 25
°
C, 30ms pulse
LT1584/5/7-3.45 T
A
= 25
°
C, 30ms pulse
LT1584/5/7-3.6
T
A
= 25
°
C, 30ms pulse
G
8
13
mA
Ripple Rejection
LT1585-3.3
LT1585-3.38
LT1585-3.45
LT1585-3.6
LT1587
LT1587-3.3
LT1587-3.45
LT1587-3.6
LT1584/5/7
LT1584/5/7-3.3
LT1584/5-3.38
G
60
72
dB
Thermal Regulation
0.004
0.5
0.03
0.003
0.02
%/W
Temperature Stability
Long-Term Stability
RMS Output Noise
(% of V
OUT
)
Thermal Resistance
Junction to Case
G
%
%
%
T
A
= 125
°
C, 1000 Hrs.
T
A
= 25
°
C, 10Hz
≤
f
≤
10kHz
1.0
LT1584
LT1585
LT1585
LT1587
LT1587
T Package: Control Circuitry/Power Transistor
T Package: Control Circuitry/Power Transistor
M Package: Control Circuitry/Power Transistor
T Package: Control Circuitry/Power Transistor
M Package: Control Circuitry/Power Transistor
0.65/2.7
0.7/3.0
0.7/3.0
0.7/3.0
0.7/3.0
°
C/W
°
C/W
°
C/W
°
C/W
°
C/W
ELECTRICAL CHARACTERISTICS
Note 3:
I
FULL LOAD
is defined as the maximum value of output load current
as a function of input-to-output voltage. I
FULL LOAD
is equal to 7A for the
LT1584, 4.6A at T
J
≥
25
°
C and 4A at T
J
< 25
°
C for the LT1585/LT1585-3.3
and 3A for the LT1587. The remaining LT1585 fixed voltage versions are
4A.
The LT1585 and LT1587 have constant current limit with changes in
input-to-output voltage. The LT1584 has variable current limit which
decreases about 4A as input-to-output voltage increases from 3V to 7V.
The
G
denotes specifications which apply over the specified operating
temperature range.
Note 1:
See thermal regulation specifications for changes in output voltage
due to heating effects. Load and line regulation are measured at a constant
junction temperature by low duty cycle pulse testing.
Note 2:
Line and load regulation are guaranteed up to the maximum power
dissipation (25W for the LT1584 in T package, 26.5W for the LT1585 in T
package, 18W for the LT1587 in T package). Power dissipation is
determined by input/output differential and the output current. Guaranteed
maximum output power will not be available over the full input/output
voltage range.
相關(guān)PDF資料
PDF描述
LT1587CT-3.6 7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed
LT1587-1.5 Fixed 1.5V, 3A Low Dropout Fast Response GTL + Regulator
LT1584 7A, Low Dropout Fast Response Positive Regulators Adjustable and Fixed(7A, 低壓差，快速響應(yīng)正輸出穩(wěn)壓器（固定和可調(diào)輸出電壓）)
LT1585 4.6A, Low Dropout Fast Response Positive Regulators Adjustable and Fixed(4.6A, 低壓差，快速響應(yīng)正輸出穩(wěn)壓器（固定和可調(diào)輸出電壓）)
LT1587 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed(3A，低壓差，快速響應(yīng)正輸出穩(wěn)壓器（固定和可調(diào)輸出電壓）)
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