參數(shù)資料
型號(hào): LTC1700EMS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Synchronous 8-Bit Up/Down Binary Counters 24-SOIC 0 to 70
中文描述: 1 A SWITCHING CONTROLLER, 630 kHz SWITCHING FREQ-MAX, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 4/16頁
文件大?。?/td> 194K
代理商: LTC1700EMS
LTC1700
4
TEMPERATURE (
°
C)
–55 –35 –15
5
45
85
125
S
25
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0
1700 G8
105
65
TEMPERATURE (
°
C)
–55 –35 –15
5
45
85
125
S
25
90
80
70
60
1700 G7
105
65
TEMPERATURE (
°
C)
–55 –35 –15
5
45
85
125
N
25
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
1700 G5
105
65
RUN/SS Current vs Temperature
Normalized Oscillator Frequency
vs Temperature
Minimum Operating Voltage
vs Temperature
Maximum Current Sense Voltage
vs Temperature
Start-Up Current Limit vs
Temperature
Efficiency vs Load Current
(Burst Mode Operation Disabled)
3.3V Output Efficiency, Circuit of
Figure 1 With Burst Mode
Operation
3.3V Output Efficiency, Circuit of
Figure 1 With Burst Mode
Operation Inhibited
Load Step Transient Response
Burst Mode Operation Enabled
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
V
IN
= 3.3V
V
OUT
= 5V
2A/DIV
V
SYNC
= V
IN
LOAD STEP = 100mA TO 1.7A
A/C COUPLED
OUTPUT
VOLTAGE
(0.2V/DIV)
INDUCTOR
CURRENT
(2A/DIV)
1700 G12
TEMPERATURE (
°
C)
–55
R
μ
A
6
5
4
3
2
1
0
–15
25
45
125
1700 G04
–35
5
65
85 105
LOAD CURRENT (A)
E
100
90
80
70
60
50
40
30
0.001
0.1
1.0
1700 G10
0.01
V
IN
= 2.7V
V
IN
= 2V
LOAD CURRENT (A)
E
100
90
80
70
60
50
40
30
0.001
0.1
1.0
1700 F16
0.01
V
IN
= 2.7V
V
IN
= 2V
LOAD CURRENT (A)
E
100
90
80
70
60
50
40
0.001
0.1
1.0
1700 G09
0.01
V
IN
= 4.2V
V
IN
= 3.3V
TEMPERATURE (
°
C)
–55 –35 –15
5
45
85
125
25
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1700 G6
105
65
START-UP
CIRCUIT
S
2.28
2.26
2.24
2.22
2.20
2.18
2.16
2.14
MAIN
CONTROLLER
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