參數(shù)資料
型號: L6910A
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: EXPOSED PAD, HTSSOP-16
文件頁數(shù): 14/30頁
文件大?。?/td> 763K
代理商: L6910A
21/29
L6910 - L6910A
Figure 24. Efficiency vs Output Current Source
Mode
Figure 25. Efficiency vs Output Current Sink
Mode
For very big systems (e.g. servers), the DDR memory
termination can require much higher currents, in the
range of 10A-15A and more.
Figures 26, 27 and 28, 29 show the efficiency of the
L6910 in sink and source mode, up to 17A both for DDRI
and DDRII memories.The measurements have been re-
alized with the 15A demo board. (See pag.11 )
Figure 26. Efficiency vs Output Current Sink
Mode
Figure 27. Efficiency vs Output Current Sink
Mode
Figure 28. Efficiency vs Output Current Source
Mode
Figure 29. Efficiency vs Output Current Source
Mode
8
60
65
70
75
80
85
90
95
12
3
4
5
6
7
E
ff
icienc
y
(%
)
Output Current (A)
Vin=12V
Vin=2.5V
Vcc=12V
Vout=1.25V
Fsw=200KHz
8
60
65
70
75
80
85
90
95
12
3
4
5
6
7
8
60
65
70
75
80
85
90
95
12
3
4
5
6
7
E
ff
icienc
y
(%
)
Output Current (A)
Vin=12V
Vin=2.5V
Vcc=12V
Vout=1.25V
Fsw=200KHz
60
65
70
75
80
85
90
95
1
2
34
56
78
Vin=12V
Vin=2.5V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Output Current (A)
E
ff
ic
ien
cy
(%
)
60
65
70
75
80
85
90
95
1
2
34
56
78
Vin=12V
Vin=2.5V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Output Current (A)
E
ff
ic
ien
cy
(%
)
Vin=12V
Vin=2.5V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Output Current (A)
E
ff
ic
ien
cy
(%
)
Vin=12V
50
60
70
80
90
100
13
5
7
9
11
13
15
17
Vin=2.5V
Vin=12V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Ef
fi
cie
n
cy
(%
)
Output Current (A)
Vin=12V
50
60
70
80
90
100
13
5
7
9
11
13
15
17
Vin=2.5V
Vin=12V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Ef
fi
cie
n
cy
(%
)
Output Current (A)
50
60
70
80
90
100
13
5
7
9
11
13
15
17
Vin=2.5V
Vin=12V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Ef
fi
cie
n
cy
(%
)
Output Current (A)
Vin=2.5V
Vin=12V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Ef
fi
cie
n
cy
(%
)
Output Current (A)
40
50
60
70
80
90
100
1
3
5
7
9
11
13
15
17
Vin=12V
Vin=1.8V
Vcc=12V
Vout=0.9V
Fsw=200KHz
Output Current (A)
Effi
ci
en
cy
(%)
40
50
60
70
80
90
100
1
3
5
7
9
11
13
15
17
Vin=12V
Vin=1.8V
Vcc=12V
Vout=0.9V
Fsw=200KHz
40
50
60
70
80
90
100
1
3
5
7
9
11
13
15
17
40
50
60
70
80
90
100
1
3
5
7
9
11
13
15
17
Vin=12V
Vin=1.8V
Vcc=12V
Vout=0.9V
Fsw=200KHz
Output Current (A)
Effi
ci
en
cy
(%)
50
60
70
80
90
100
13
57
9
11
13
15
17
Vout=12V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Vout=2.5V
Eff
ici
en
cy
(%
)
Output Current (A)
50
60
70
80
90
100
13
57
9
11
13
15
17
Vout=12V
Vcc=12V
Vout=1.25V
Fsw=200KHz
Vout=2.5V
Eff
ici
en
cy
(%
)
Output Current (A)
50
60
70
80
90
100
13
57
9
11
13
15
17
Vin=12V
Vout=0.9V
Fsw=200KHz
Vin=12V
Vin=1.8V
E
ffi
ci
en
cy
(%
)
Output Current (A)
50
60
70
80
90
100
13
57
9
11
13
15
17
Vin=12V
Vout=0.9V
Fsw=200KHz
Vin=12V
Vin=1.8V
50
60
70
80
90
100
13
57
9
11
13
15
17
Vin=12V
Vout=0.9V
Fsw=200KHz
Vin=12V
Vin=1.8V
E
ffi
ci
en
cy
(%
)
Output Current (A)
相關(guān)PDF資料
PDF描述
L6910GTR 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
L6917BD SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO28
L6917BDTR SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO28
L6917D SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28
L6918ADTR SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6910ATR 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6910G 功能描述:電壓模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
L6910GTR 功能描述:電壓模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
L6910R 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6910RTR 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK