參數(shù)資料
型號: LTC1553LCG
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Advanced,Self-Calibrating, Precision, Dual Operational Amplifier 8-SOIC -40 to 125
中文描述: SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 0.209 INCH, PLASTIC, SSOP-20
文件頁數(shù): 4/20頁
文件大?。?/td> 370K
代理商: LTC1553LCG
4
LTC1553L
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Typical 2.8V V
OUT
Distribution
Load Regulation
Over-Temperature Trip Point
vs Temperature
Efficiency vs Load Current
Line Regulation
Output Temperature Drift
Error Amplifier Open-Loop
DC Gain vs Temperature
Over-Temperature Driver Disable
vs Temperature
Error Amplifier Transconductance
vs Temperature
OUTPUT VOLTAGE (V)
2.775
0
N
20
60
80
100
140
1553L G01
40
120
2.795
2.825
2.785
2.805
2.815
TOTAL SAMPLE SIZE = 1500
25
°
C
100
°
C
LOAD CURRENT (A)
0
0.3
E
60
80
100
4
1533L G02
40
20
50
70
90
A
30
10
0
2
6
8
10
12
14
B
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
V
IN
= 5V, PV
CC
= 12V, V
OUT
= 2.8V,
C
= 330
μ
F
×
7, L
= 2
H
A: Q1 = 1
×
SUD50N03-10
Q2 = 1
×
SUD50N03-10
B: Q1 = 2
×
SUD50N03-10
Q2 = 1
×
SUD50N03-10
NO FAN
Q1 IS MOUNTED ON 1IN
2
COPPER AREA
OUTPUT CURRENT (A)
0
O
2.825
4
1533L G03
2.820
2.815
2.810
2.805
2.800
2.795
2.790
2.785
2.780
2.775
1 2 3
5 6 7 8 9 10 11 12 13 14
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
V
IN
= 5V, PV
CC
= 12V, T
A
= 25
°
C
INPUT VOLTAGE (V)
4.75
O
2.825
2.820
2.815
2.810
2.805
2.800
2.795
2.790
2.785
2.780
2.775
5.15
1553L G04
4.85
4.95
5.05
5.25
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
OUTPUT = NO LOAD
T
A
= 25
°
C
TEMPERATURE (
°
C)
–50
O
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
75
1553L G05
–25
25
100
125
TEMPERATURE (
°
C)
–50
O
1.96
1.94
2.08
2.06
2.10
2.12
0
50
75
1553L G06
1.92
1.90
2.04
2.02
2.00
1.98
–25
25
100
125
TEMPERATURE (
°
C)
–50
1.60
O
1.62
1.66
1.68
1.70
1.80
1.74
0
50
75
1553L G07
1.64
1.76
1.78
1.72
–25
25
100
125
TEMPERATURE (
°
C)
–50
1.7
1.9
2.3
25
75
1553L G08
1.5
1.3
–25
0
50
100
125
1.1
0.9
2.1
E
TEMPERATURE (
°
C)
–50
40
E
45
50
55
60
–25
0
25
50
1553L G09
75
100
125
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