參數(shù)資料
型號: LM3354
廠商: National Semiconductor Corporation
英文描述: Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter
中文描述: 穩(wěn)壓九零毫安的Buck - Boost開關(guān)電容DC / DC變換器
文件頁數(shù): 3/12頁
文件大?。?/td> 394K
代理商: LM3354
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
All Pins
Power Dissipation (T
A
= 25C)
(Note 2)
T
JMAX
(Note 2)
θ
JA
(Note 2)
Storage Temperature
Lead Temperature (Soldering, 5 sec.)
0.5V to 5.6V
Internally Limited
150C
250C/W
65C to +150C
260C
ESD Rating (Note 3)
Human Body Model
Machine Model
1.5 kV
100V
Operating Ratings
Input Voltage (V
IN
)
Output Voltage (V
OUT
)
Ambient Temperature (T
A
) (Note 2)
Junction Temperature (T
J
) (Note 2)
2.5V to 5.5V
1.8V to 5.0V
40C to +85C
40C to +120C
Electrical Characteristics
Limits in standard typeface are for T
= 25C, and limits in
boldface
type apply over the full operating temperature range. Un-
less otherwise specified: C
1
= C
2
= 0.33 μF; C
IN
= 10 μF; C
OUT
= 10 μF; C
FIL
= 1 μF; V
IN
= 3.5V.
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
LM3354-5.0
Output Voltage (V
OUT
)
3.4V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
90 mA
3.1V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
55 mA
2.9V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
30 mA
I
LOAD
= 15 mA
I
LOAD
= 40 mA, V
IN
= 3.8V
I
LOAD
= 50 mA
C
OUT
= 10 μF ceramic
4.85/
4.8
5.0
5.15/
5.2
V
4.85/
4.8
5.0
5.15/
5.2
4.85/
4.8
5.0
5.15/
5.2
Efficiency
85
85
%
Output Voltage Ripple
(Peak-to-Peak)
LM3354-4.1
Output Voltage (V
OUT
)
75
mV
P-P
2.9V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
90 mA
2.5V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
40 mA
I
LOAD
= 15 mA
I
LOAD
= 70 mA
I
LOAD
= 50 mA
C
OUT
= 10 μF ceramic
3.977/
3.936
4.1
4.223/
4.264
V
3.977/
3.936
4.1
4.223/
4.264
Efficiency
80
75
%
Output Voltage Ripple
(Peak-to-Peak)
LM3354-3.3
Output Voltage (V
OUT
)
75
mV
P-P
2.9V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
70 mA
2.5V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
70 mA
I
LOAD
= 15 mA
I
LOAD
= 70 mA
I
LOAD
= 50 mA
C
OUT
= 10 μF ceramic
3.201/
3.168
3.3
3.399/
3.432
V
3.201/
3.168
3.3
3.399/
3.432
Efficiency
90
70
%
Output Voltage Ripple
(Peak-to-Peak)
LM3354-1.8
Output Voltage (V
OUT
)
75
mV
P-P
2.9V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
90 mA
2.5V
<
V
IN
<
5.5V;
1 mA
<
I
LOAD
<
80 mA
I
LOAD
= 15 mA
I
LOAD
= 70 mA
I
LOAD
= 50 mA
C
OUT
= 10 μF ceramic
1.728/
1.710
1.8
1.872/
1.89
V
1.728/
1.710
1.8
1.872/
1.89
Efficiency
75
70
%
Output Voltage Ripple
(Peak-to-Peak)
25
mV
P-P
L
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參數(shù)描述
LM3354-1.8EVAL 功能描述:BOARD EVALUATION LM3354-1.8 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC(離線)SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC,步升 輸出及類型:1,非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
LM3354-3.7 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM3354-3.7 Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter
LM3354-37 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Regulated 90mA Buck-Boost Switched Capacitor DC/DC
LM3354-4.1EVAL 功能描述:BOARD EVALUATION LM3354-4.1 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC(離線)SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC,步升 輸出及類型:1,非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
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