LT1584/LT1585/LT1587
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
PARAMETER
CONDITIONS
∆V = 1%, I
MIN
TYP
MAX
UNITS
Dropout Voltage
LT1584
= 7A
= 7A
= 7A
= 7A
= 7A
REF
OUT
LT1584-3.3
LT1584-3.38
LT1584-3.45
LT1584-3.6
LT1584IT-3.3
∆V
∆V
∆V
∆V
= 1%, I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 1%, I
= 1%, I
= 1%, I
●
●
1.250
1.250
1.400
1.500
V
V
T < 25°C
J
Current Limit
(Note 4)
LT1584
(V – V ) = 3V
IN OUT
LT1584-3.3
LT1584-3.38
LT1584-3.45
LT1584-3.6
(V – V ) = 3V
IN OUT
(V – V ) = 3V
IN
OUT
(V – V ) = 3V
IN
OUT
(V – V ) = 3V
●
7.100
8.250
A
IN
OUT
LT1585
LT1585-3.3
(V – V ) = 5.5V
IN OUT
(V – V ) = 5.5V
IN OUT
T ≥ 25°C
●
●
4.600
4.100
5.25
5.25
A
A
J
T < 25°C
J
LT1585-3.38
LT1585-3.45
LT1585-3.6
(V – V ) = 5.5V
IN OUT
(V – V ) = 5.5V
IN
OUT
(V – V ) = 5.5V
●
4.100
3.100
4.750
A
IN
OUT
LT1587
(V – V ) = 5.5V
IN OUT
LT1587-3.3
LT1587-3.45
LT1587-3.6
(V – V ) = 5.5V
IN OUT
(V – V ) = 5.5V
IN
OUT
(V – V ) = 5.5V
●
●
3.750
55
A
IN
OUT
Adjust Pin Current LT1584/5/7
Adjust Pin Current LT1584
120
µA
1.5V ≤ (V – V ) ≤ 3V, 10mA ≤ I
≤ I
OUT
IN
OUT
OUT
FULL LOAD
Change (Note 4)
LT1585/7
1.5V ≤ (V – V ) ≤ 5.75V, 10mA ≤ I
≤ I
●
●
0.2
2
5
µA
IN
OUT
FULL LOAD
Minimum
Load Current
LT1584/5/7
1.5V ≤ (V – V ) ≤ 5.75V
10
mA
IN
OUT
Quiescent Current LT1584/5/7-3.3
LT1584/5-3.38
V
V
V
V
V
= 5V
= 5V
= 5V
= 5V
= 5V
IN
IN
IN
IN
IN
LT1584/5/7-3.45
LT1584/5/7-3.6
LT1584IT-3.3
●
●
8
8
13
15
mA
mA
Ripple Rejection
LT1584
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
= 25µF Tant., (V – V ) = 2.5V, I
= 7A
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
OUT
LT1584-3.3
LT1584-3.38
LT1584-3.45
LT1584-3.6
LT1585
= 25µF Tant., V = 5.8V, I
= 7A
IN
IN
OUT
OUT
OUT
= 25µF Tant., V = 5.88V, I
= 7A
= 25µF Tant., V = 5.95V, I
= 7A
IN
= 25µF Tant., V = 6.1V, I
= 7A
IN
OUT
= 25µF Tant., (V – V ) = 3V,
IN
OUT
I
= 4.6A, T ≥ 25°C
J
OUT
f = 120Hz, C
= 25µF Tant., (V – V ) = 3V,
IN OUT
OUT
I
= 4A, T < 25°C
J
OUT
LT1585-3.3
f = 120Hz, C
= 25µF Tant., V = 6.3V,
OUT IN
I
= 4.6A, T ≥ 25°C
J
OUT
f = 120Hz, C
= 25µF Tant., V = 6.3V,
IN
OUT
I
= 4A, T < 25°C
J
OUT
LT1585-3.38
LT1585-3.45
LT1585-3.6
LT1587
LT1587-3.3
LT1587-3.45
LT1587-3.6
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
f = 120Hz, C
= 25µF Tant., V = 6.38V, I
= 4A
= 4A
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
OUT
= 25µF Tant., V = 6.45V, I
IN
IN
= 25µF Tant., V = 6.6V, I
= 4A
OUT
= 25µF Tant., (V – V ) = 3V, I = 3A
OUT
IN
OUT
= 25µF Tant., V = 6.3V, I
= 3A
OUT
IN
= 25µF Tant., V = 6.45V, I
= 3A
OUT
IN
= 25µF Tant., V = 6.6V, I
= 3A
OUT
●
60
72
dB
IN
158457a
4
Linear [ Linear ]
