LTC1553LCSW#TRM Linear Technology, LTC1553LCSW#TRM Datasheet - Page 4

• Manufacturer Part Number: LTC1553LCSW#TRM
• Manufacturer: Linear Technology

Specifications of LTC1553LCSW#TRM

• Lead Free Status / RoHS Status: Not Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
LTC1553L
4
1.80
1.78
1.76
1.74
1.72
1.70
1.68
1.66
1.64
1.62
1.60
140
120
100
2.825
2.820
2.815
2.810
2.805
2.800
2.795
2.790
2.785
2.780
2.775
80
60
40
20
0
2.775
–50
Typical 2.8V V
Over-Temperature Driver Disable
vs Temperature
4.75
TOTAL SAMPLE SIZE = 1500
Line Regulation
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
OUTPUT = NO LOAD
T
–25
A
2.785
= 25 C
4.85
25 C
OUTPUT VOLTAGE (V)
0
TEMPERATURE ( C)
INPUT VOLTAGE (V)
2.795
25
4.95
OUT
50
Distribution
2.805
5.05
75
100 C
2.815
W
5.15
100
1553L G07
1553L G01
1553L G04
2.825
125
U
5.25
100
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
90
80
70
40
30
20
10
60
50
2.860
2.850
2.840
2.830
2.820
2.810
2.800
2.790
2.780
2.770
2.660
2.750
2.740
0
– 50
Efficiency vs Load Current
0
0.3
Error Amplifier Transconductance
vs Temperature
A
– 50
Output Temperature Drift
–25
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
V
C
A: Q1 = 1 SUD50N03-10
B: Q1 = 2 SUD50N03-10
NO FAN
Q1 IS MOUNTED ON 1IN
B
2
IN
OUT
Q2 = 1 SUD50N03-10
Q2 = 1 SUD50N03-10
– 25
= 5V, PV
= 330 F 7, L
0
4
TEMPERATURE ( C)
LOAD CURRENT (A)
0
TEMPERATURE ( C)
CC
25
6
= 12V, V
25
50
O
8
= 2 H
OUT
50
2
COPPER AREA
75
10
= 2.8V,
75
100
12
1553L G08
1533L G02
100
1553L G05
125
14
125
2.825
2.820
2.815
2.810
2.805
2.800
2.795
2.790
2.785
2.780
2.775
2.00
1.98
2.12
2.10
2.08
2.06
2.04
2.02
1.96
1.94
1.92
1.90
45
60
55
50
40
– 50
–50
Load Regulation
0
Over-Temperature Trip Point
vs Temperature
Error Amplifier Open-Loop
DC Gain vs Temperature
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
V
IN
1 2 3
– 25
–25
= 5V, PV
OUTPUT CURRENT (A)
0
0
4
TEMPERATURE ( C)
TEMPERATURE ( C)
CC
= 12V, T
5 6 7 8 9 10 11 12 13 14
25
25
A
50
50
= 25 C
75
75
100
100
1553L G06
1553L G09
1533L G03
125
125