參數(shù)資料
型號(hào): LTC1703CG
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Synchronous 8-Bit Up/Down Binary Counters 24-PDIP 0 to 70
中文描述: 5 A DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 0.209 INCH, PLASTIC, SSOP-28
文件頁(yè)數(shù): 4/36頁(yè)
文件大?。?/td> 343K
代理商: LTC1703CG
4
LTC1703
Efficiency vs Load Current
TEMPERATURE (
°
C)
–50
S
2.4
PV
CC
V
CC
25
1703 G04
1.8
1.4
–25
0
50
1.2
1.0
2.6
2.2
2.0
1.6
75
100
125
BOOST1, BOOST2
TEST CIRCUIT 1
C
L
= 0pF
Transient Response
TEMPERATURE (
°
C)
–50
–2.5
N
–2.0
–1.0
–0.5
0
2.5
1.0
0
50
75
1703 G05
–1.5
1.5
2.0
0.5
–25
25
100
125
V
CC
= 5V
TEMPERATURE (
°
C)
–50
0.4
R
O
)
0.5
0.7
0.8
0.9
1.4
1.1
0
50
75
1703 G06
0.6
1.2
1.3
1.0
–25
25
100
125
V
PVCC
= 5V
V
BOOST
– V
SW
= 5V
MOSFET Driver Supply Current
vs Gate Capacitance
Supply Current vs Temperature
Normalized Frequency
vs Temperature
Driver R
ON
vs Temperature
RUN/SS Source Current
vs Temperature
TEMPERATURE (
°
C)
–50
S
μ
A
4.0
4.5
5.0
25
75
1703 G07
3.5
3.0
–25
0
50
100
125
2.5
2.0
V
CC
= 5V
Nonoverlap Time vs Temperature
Driver Rise/Fall vs Temperature
LOAD CURRENT (A)
0
70
E
80
90
100
5
10
1703 G01
15
V
IN
= 5V
V
OUT
= 3.3V
V
OUT
= 2.5V
V
OUT
= 1.6V
V
IN
= 5V
V
OUT
= 1.8V
I
LOAD
= 0A-10A-0A
±
1703 G02
GATE CAPACITANCE (pF)
0
25
30
35
6000
8000
1703
G03
20
15
2000
4000
10000
10
5
0
D
TEST CIRCUIT 1
ONE DRIVER LOADED
MULTIPLY BY # OF ACTIVE
DRIVERS TO OBTAIN TOTAL
DRIVER SUPPLY CURRENT
TEMPERATURE (
°
C)
–50
40
50
70
25
75
1703 G08
30
20
–25
0
50
100
125
10
0
60
N
TEST CIRCUIT 1
C
L
= 2000pF
BG FALLING EDGE
TG RISING EDGE
TG FALLING EDGE
BG RISING EDGE
TEMPERATURE (
°
C)
–50
–25
12
R
12
15
0
50
75
1703 G09
11
14
13
25
100
125
TEST CIRCUIT 1
C
L
= 2000pF
20mV/
DIV
10
μ
s/DIV
TYPICAL PERFOR U
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