參數(shù)資料
型號： LT1580IT
廠商： LINEAR TECHNOLOGY CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述： FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.8 V DROPOUT, PSFM5
封裝： PLASTIC, TO-220, 5 PIN
文件頁數(shù)： 3/16頁
文件大小： 308K
代理商： LT1580IT
3
LT1580/LT1580-2.5
ELECTRICAL CHARACTERISTICS
PARAMETER
Load Regulation: LT1580-2.5
LT1580 (V
ADJ
= 0V)
Minimum Load Current: LT1580
Control Pin Current: LT1580-2.5
(Note 4)
CONDITIONS
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 0mA to 7A
V
CONTROL
= 2.75V, V
POWER
= 2.1V, I
LOAD
= 10mA to 7A
V
CONTROL
= 5V, V
POWER
= 3.3V, V
ADJ
= 0V (Note 3)
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 100mA, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 100mA, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 4A, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 4A, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 5V, V
POWER
= 3V, I
LOAD
= 4A, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 5V, V
POWER
= 3V, I
LOAD
= 4A, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 7A, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 6.5A, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 100mA, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 100mA, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 4A, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 4A, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 2.75V, V
POWER
= 1.75V, I
LOAD
= 4A, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 2.75V, V
POWER
= 1.75V, I
LOAD
= 4A, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 7A, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 6.5A, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 5V, V
POWER
= 3.3V, I
LOAD
= 0mA
V
CONTROL
= 2.75V, V
POWER
= 2.05V, I
LOAD
= 10mA
V
CONTROL
= 5V, V
POWER
= 3.3V,
V
OUT
= 100mV, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 5V, V
POWER
= 3.3V,
V
OUT
= 100mV, –40
°
C
≤
T
J
< 0
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V,
V
OUT
= 100mV, 0
°
C
≤
T
J
≤
125
°
C
V
CONTROL
= 2.75V, V
POWER
= 2.05V,
V
OUT
= 100mV, –40
°
C
≤
T
J
< 0
°
C
V
C
= V
P
= 5V Avg, V
RIPPLE
= 1V
P-P
, I
OUT
= 4A, T
J
= 25
°
C
V
C
= V
P
= 3.75V Avg, V
RIPPLE
= 1V
P-P
, V
ADJ
= 0V, I
OUT
= 4A, T
J
= 25
°
C
30ms Pulse
MIN
TYP
1
1
5
6
MAX
5
5
10
10
12
60
70
70
80
120
130
10
12
60
70
70
80
120
130
10
120
UNITS
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
G
G
G
30
33
60
Control Pin Current: LT1580
(Note 4)
6
30
33
60
Ground Pin Current: LT1580-2.5
ADJ Pin Current: LT1580 (V
ADJ
= 0V)
Current Limit: LT1580-2.5
G
6
G
50
8
μ
A
A
A
A
A
dB
dB
7.1
6.6
7.1
6.6
60
60
LT1580 (V
ADJ
= 0V)
8
Ripple Rejection: LT1580-2.5
80
80
LT1580
Thermal Regulation
Thermal Resistance, Junction-to-Case T, T7 Packages, Control Circuitry/Power Transistor
Dropout Voltage (Note 2)
Minimum V
CONTROL
: LT1580-2.5
V
POWER
= 3.3V, I
LOAD
= 100mA, 0
°
C
≤
T
J
≤
125
°
C
(V
CONTROL
– V
OUT
)
V
POWER
= 3.3V, I
LOAD
= 100mA, –40
°
C
≤
T
J
< 0
°
C
V
POWER
= 3.3V, I
LOAD
= 1A, 0
°
C
≤
T
J
≤
125
°
C
V
POWER
= 3.3V, I
LOAD
= 1A, –40
°
C
≤
T
J
< 0
°
C
V
POWER
= 3.3V, I
LOAD
= 4A, 0
°
C
≤
T
J
≤
125
°
C
V
POWER
= 3.3V, I
LOAD
= 4A, –40
°
C
≤
T
J
< 0
°
C
V
POWER
= 3.3V, I
LOAD
= 7A, 0
°
C
≤
T
J
≤
125
°
C
V
POWER
= 3.3V, I
LOAD
= 6.5A, –40
°
C
≤
T
J
< 0
°
C
Minimum V
CONTROL
: LT1580
V
POWER
= 2.05V, I
LOAD
= 100mA, 0
°
C
≤
T
J
≤
125
°
C
(V
CONTROL
– V
OUT
)
V
POWER
= 2.05V, I
LOAD
= 100mA, –40
°
C
≤
T
J
< 0
°
C
(V
ADJ
= 0V)
V
POWER
= 2.05V, I
LOAD
= 1A, 0
°
C
≤
T
J
≤
125
°
C
V
POWER
= 2.05V, I
LOAD
= 1A, –40
°
C
≤
T
J
< 0
°
C
V
POWER
= 2.05V, I
LOAD
= 2.75A, 0
°
C
≤
T
J
≤
125
°
C
V
POWER
= 2.05V, I
LOAD
= 2.75A, –40
°
C
≤
T
J
< 0
°
C
V
POWER
= 2.05V, I
LOAD
= 4A, 0
°
C
≤
T
J
≤
125
°
C
V
POWER
= 2.05V, I
LOAD
= 4A, –40
°
C
≤
T
J
< 0
°
C
V
POWER
= 2.05V, I
LOAD
= 7A, 0
°
C
≤
T
J
≤
125
°
C
V
POWER
= 2.05V, I
LOAD
= 6.5A, –40
°
C
≤
T
J
< 0
°
C
0.002
0.65/2.70
0.020
%/W
°
C/W
1.00
1.15
1.20
1.15
1.20
1.20
1.25
1.30
1.35
1.15
1.20
1.15
1.20
1.18
1.23
1.20
1.25
1.30
1.35
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
1.00
1.06
1.15
1.00
1.00
1.05
1.06
1.15
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