LTC1753CG 查看數據表（PDF） - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC1753CG
Linear Technology
LTC1753CG Datasheet PDF : 24 Pages
| |||
LTC1753
TYPICAL PERFOR A CE CHARACTERISTICS
Typical 1.3V VOUT Distribution
50
TOTAL SAMPLE SIZE = 500
40
30
25°C
100°C
20
10
0
1.275
1.285 1.295 1.305 1.315 1.325
OUTPUT VOLTAGE (V)
1753 G01
Load Regulation
2.825
2.820
2.815
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
VIN = 5V, PVCC = 12V, TA = 25°C
2.810
2.805
2.800
2.795
2.790
2.785
2.780
2.775
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
OUTPUT CURRENT (A)
1753 G04
Overtemperature Driver Disable
vs Temperature
1.80
1.78
1.76
1.74
1.72
1.70
1.68
1.66
1.64
1.62
1.60
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1753 G07
Typical 2.8V VOUT Distribution
50
TOTAL SAMPLE SIZE = 500
40
25°C
30
100°C
20
10
0
2.75
2.77 2.79 2.81 2.83 2.85
OUTPUT VOLTAGE (V)
1753 G02
Line Regulation
2.825
2.820
2.815
2.810
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
OUTPUT = NO LOAD
TA = 25°C
2.805
2.800
2.795
2.790
2.785
2.780
2.775
4.75 4.85 4.95 5.05 5.15 5.25
INPUT VOLTAGE (V)
1753 G05
Error Amplifier Transconductance
vs Temperature
2.3
2.1
1.9
1.7
1.5
1.3
1.1
0.9
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1753 G08
Efficiency vs Load Current
100
90
A
80
B
70
60
50
40
30
20
10
0
0
0.3
REFER TO TYPICAL APPLICATION
CIRCUIT FIGURE 1
VIN = 5V, PVCC = 12V, VOUT = 2.8V,
COUT = 330µF × 7, LO = 2µH
A: Q1 = 1 × SUD50N03-10
Q2 = 1 × SUD50N03-10
B: Q1 = 2 × SUD50N03-10
Q2 = 1 × SUD50N03-10
NO FAN
Q1 IS MOUNTED ON 1IN2 COPPER AREA
2 4 6 8 10 12 14
LOAD CURRENT (A)
1753 G03
Output Temperature Drift
2.860
2.850
2.840
2.830
2.820
2.810
2.800
2.790
2.780
2.770
2.760
2.750
2.740
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
1753 G06
Error Amplifier Open-Loop
DC Gain vs Temperature
60
55
50
45
40
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1753 G09
4
Share Link: