參數(shù)資料
型號： LM3101
廠商： National Semiconductor Corporation
英文描述： Secondary-Side PWM Controller
中文描述： 二次側(cè)PWM控制器
文件頁數(shù)： 2/20頁
文件大?。?/td> 319K
代理商： LM3101
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage (V
S
)
Junction Temperature Range
16V
b
65
§
C
s
T
J
s
a
150
§
C
ESD
1 kV
260
§
C
Lead Temperature (Soldering, 5 sec.)
Operating Ratings
Supply Voltage
4.5V
s
V
S
s
15V
b
40
§
C
s
T
J
s
a
125
§
C
Junction Temperature Range
Electrical Characteristics
Specifications with standard typeface are for T
J
e
25
§
C, and those in
bold type-
face
apply over full
Operating Temperature Range
. Pin 2, MC, is connected to V
S
by a 5 k
X
resistorDthis selects voltage
mode control operation. Unless otherwise specified, T
A
e
25
§
C, V
S
e
5V, R
FS
e
25 k
X
(F
O
e
500 kHz).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
REFERENCE SECTION
(Note 2)
V
REF
Reference Voltage
1.230
1.217
1.242
1.254
1.266
V
D
V
REF
/
D
V
S
Line Regulation
4.5V
s
V
S
s
15V
b
40
§
C
s
T
J
s
a
125
§
C
0.01
0.03
%/V
D
V
REF
/
D
T
Temperature Stability
(Note 3)
0.003
%/
§
C
ERROR AMPLIFIER SECTION
A
VOL
Open Loop Voltage Gain
75
90
dB
I
B
Input Bias Current
b
1.0
b
2.0
b
0.5
m
A
GBW
Gain-Bandwidth Product
F
TEST
e
100 kHz
4.5
8
MHz
i
M
Phase Margin
A
V
e
1
52
Deg
SR
Slew Rate
2.5
6
V/
m
s
OSCILLATOR SECTION
F
O
Oscillator Frequency
(Note 4)
R
T
e
25 k
X
450
425
500
550
575
kHz
R
T
e
12.5 k
X
0.88
0.85
1.0
1.12
1.15
MHz
F
SC
Oscillator Frequency in
Output Short Circuit
R
T
e
25 k
X
(F
O
e
500 kHz),
R
SC
e
13 k
X
(Note 5)
120
187
260
kHz
R
T
e
12.5 k
X
(F
O
e
1 MHz),
R
SC
e
6.34 k
X
(Note 5)
210
335
470
kHz
D
F
O
/
D
T
Temperature Stability
(Note 3)
0.1
%/
§
C
D
F
O
/
D
V
S
Line Stability
4.5V
s
V
S
s
15V
0.9
%/V
V
SYNC
Synch Signal Amplitude
AC Coupled, Negative Edge
Trigger (Note 6)
1.5
2
V
PP
D
I
COMP
/
D
t
Compensation Current
Ramp Slope
R
T
e
25 k
X
R
MC
e
5 k
X
(Note 7)
155
208
260
m
A/
m
s
2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3101M 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Secondary-Side PWM Controller
LM3101N 制造商:Texas Instruments 功能描述:
LM3102 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ Synchronous 1MHz 2.5A Step-Down Voltage Regulator
LM3102EVAL 功能描述:BOARD EVALUATION LM3102 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:PowerWise®, SIMPLE SWITCHER® 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
LM3102EVAL/NOPB 功能描述:電源管理IC開發(fā)工具 LM3102 EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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