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参数资料
| 型号： | LM3350MM/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 1100 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | MINI, SO-8 |
| 文件页数： | 4/10页 |
| 文件大小： | 278K |
| 代理商： | LM3350MM/NOPB |
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Input Voltage, Step-Down
5.5V
Maximum Input Voltage, Step-Up
3.65V
Power Dissipation (P
D)(TA=25C,
500 mW
θ
ja (Note 2)
250C/W
Tj Max (Note 2)
150C
Storage Temperature
65C to +150C
Lead Temperature (Soldering, 10
secs)
260C
ESD Susceptibility (Note 3)
2kV
Not short circuit protected.
Operating Conditions (Note 1)
Ambient Temperature Range
40C to + 85C
Electrical Characteristics
3/2 Step-Up Voltage Converter
Specifications in standard type face are for T
j = 25C, and those with boldface type apply over full operating temperature
range. Unless otherwise specified, V
in = 3.3V, VEnable = 3.3V, Iload =50mA.
Symbol
Parameter
Conditions
Typ (Note 4)
Limits (Note 5)
Units
V
outNL
Output Voltage at No
Load
C1, C2, C
in and Cout: 0.33F, esr
≤
0.33
at 1MHz. I
load =0A
5.0
V
outFL
Output Voltage at 50
mA
C1, C2, C
in and Cout: 0.33F, esr
≤
0.33
at 1MHz. I
load =50mA
4.7
V
in
Input Supply Voltage
Range
3.3
V
2.5
V(Min)
3.65
V(Max)
I
Q1
Quiescent Current
Shutdown Mode, V
Enable = 0V, Iload=0
A; Current into pin V
low
0.025
A
3
A(Max)
I
Q2
Quiescent Current
Normal Mode, I
Ioad = 0A; Current into
pin V
Iow
3.75
mA
5
mA(Max)
Z
out
Output Source
Impedance
I
load =50mA
4.2
6.25
(Max)
f
SW
Switching Frequency
800
kHz
500
kHz(Min)
1100
kHz(Max)
V
Enable
Enable Threshold
Voltage
1.7
V
1.0
V(Min)
2.5
V(Max)
I
Enable
Leakage Current
Current into ENABLE pin; ENABLE =
5V and all other pins at ground
0.025
A
1
A(Max)
Pη
Power Efficiency
90
%
Electrical Characteristics
2/3 Step-Down Voltage Converter
Specifications in standard type face are for T
j = 25C, and those with boldface type apply over full operating temperature
range. Unless otherwise specified, V
high = 5V, VEnable = 5V, Iload =50mA.
Symbol
Parameter
Conditions
Typ (Note 4)
Limits (Note 5)
Units
V
outNL
Output Voltage at No
Load
C1, C2, C
in and Cout: 0.33F, esr
≤
0.33
at 1MHz. I
load =0A
3.3
V
outFL
Output Voltage at 50
mA
C1, C2, C
in and Cout: 0.33 F, esr
≤
0.33
at 1MHz. I
load =50 mA
3.2
V
LM3350
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM3350MMX | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Switched Capacitor Voltage Converter |
| LM3350MMX/NOPB | 功能描述:IC REG MULTI CONFIG 50MA 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
| LM3351 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Switched Capacitor Voltage Converter |
| LM3351A WAF | 制造商:Texas Instruments 功能描述: |
| LM3351AM E WAF | 制造商:Texas Instruments 功能描述: |
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