LTC1703I 查看數據表（PDF） - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC1703I
Linear Technology
LTC1703I Datasheet PDF : 36 Pages
| |||
LTC1703
TYPICAL PERFOR A CE CHARACTERISTICS
Efficiency vs Load Current
100
VIN = 5V
VOUT = 3.3V
VOUT = 2.5V
90
VOUT = 1.6V
80
Transient Response
VIN = 5V
VOUT = 1.8V
ILOAD = 0A-10A-0A
±2.2% MAX DEVIATION
20mV/
DIV
70
0
5
10
LOAD CURRENT (A)
15
1703 G01
Supply Current vs Temperature
2.6
TEST CIRCUIT 1
2.4 CL = 0pF
2.2
2.0
PVCC
VCC
1.8
1.6
1.4
BOOST1, BOOST2
1.2
1.0
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
1703 G04
RUN/SS Source Current
vs Temperature
5.0
VCC = 5V
4.5
4.0
3.5
3.0
2.5
2.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1703 G07
10µs/DIV
1703 G02
Normalized Frequency
vs Temperature
2.5
VCC = 5V
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1703 G05
Nonoverlap Time vs Temperature
70
TEST CIRCUIT 1
60 CL = 2000pF
TG FALLING EDGE
50 BG RISING EDGE
40
BG FALLING EDGE
30
TG RISING EDGE
20
10
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1703 G08
4
MOSFET Driver Supply Current
vs Gate Capacitance
35
TEST CIRCUIT 1
ONE DRIVER LOADED
30 MULTIPLY BY # OF ACTIVE
DRIVERS TO OBTAIN TOTAL
25 DRIVER SUPPLY CURRENT
20
15
10
5
0
0 2000 4000 6000 8000 10000
GATE CAPACITANCE (pF)
1703 G03
Driver RON vs Temperature
1.4
VPVCC = 5V
1.3 VBOOST – VSW = 5V
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1703 G06
Driver Rise/Fall vs Temperature
15
TEST CIRCUIT 1
CL = 2000pF
14
13
12
11
12
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1703 G09
1703fa
Share Link: