參數(shù)資料
型號: LTC1911EMS8-1.5
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Low Noise, High Efficiency, Inductorless Step-Down DC/DC Converter
中文描述: SWITCHED CAPACITOR REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO8
封裝: PLASTIC, MSOP-8
文件頁數(shù): 3/12頁
文件大小: 200K
代理商: LTC1911EMS8-1.5
3
LTC1911-1.5/LTC1911-1.8
sn1911 1911is
TYPICAL PERFOR U
Input Operating Current
vs Input Voltage
Input Shutdown Current
vs Input Voltage
LTC1911-1.8
Output Voltage vs Input Voltage
LTC1911-1.5
Output Voltage vs Input Voltage
LTC1911-1.5 Efficiency vs Input
Voltage (Falling Input Voltage)
LTC1911-1.8
Efficiency vs Output Current
LTC1911-1.8
Output Voltage vs Output Current
INPUT VOLTAGE (V)
2
I
μ
A
180
190
200
6
1911 G01
170
160
3
4
5
150
210
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
INPUT VOLTAGE (V)
2
I
μ
A
9
11
6
1911 G02
7
5
3
4
5
15
13
T
A
= 85
°
C
T
A
= 25
°
C
T
A
= –40
°
C
V
OUT
= 0V
V
(SS/SHDN)
= 0V
INPUT VOLTAGE (V)
2
O
1.80
1.85
6
1911 G03
1.75
1.70
3
4
5
1.90
T
A
= –40
°
C
T
A
= 25
°
C
T
A
= 85
°
C
I
OUT
= 250mA
INPUT VOLTAGE (V)
2
E
60
70
80
6
1911 G05
50
40
20
3
4
5
30
100
90
IDEAL LDO
100mA
250mA
OUTPUT CURRENT (mA)
1
E
50
60
1911 G06
40
30
10
100
1000
90
80
70
2.7V
3.2V
3.7V
4.2V
5.1V
5.5V
V
IN
:
LTC1911-1.5
Efficiency vs Output Current
OUTPUT CURRENT (mA)
0.1
O
1.78
1.80
1000
1911 G08
1.76
1.74
1
10
100
1.84
V
IN
= 3.6V
1.82
T
A
= –40
°
C
T
A
= 25
°
C
T
A
= 85
°
C
LTC1911-1.5
Output Voltage vs Output Current
INPUT VOLTAGE (V)
2
O
1.49
1.51
6
LTXXXX TPCXX
1.47
1.45
3
4
5
1.55
1.53
T
A
= –40
°
C
T
A
= 25
°
C
T
A
= 85
°
C
I
OUT
= 250mA
OUTPUT CURRENT (mA)
1
30
E
40
50
60
70
90
10
100
1911 G07
1000
80
2.8V
3.3V
3.7V
4.3V
5.1V
5.5V
V
IN
:
OUTPUT CURRENT (mA)
0.1
O
1.48
1.50
1000
1911 G09
1.46
1.44
1
10
100
1.54
1.52
T
A
= –40
°
C
T
A
= 85
°
C
T
A
= 25
°
C
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