Datasheet 搜索 > DC/DC转换器 > TI（德州仪器） > LM2840YQMKX/NOPB 数据手册 > LM2840YQMKX/NOPB 数据手册 5/20 页
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LM2840YQMKX/NOPB 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
DC/DC转换器
封装:
TSOT-23-6
描述:
LM2840 / LM2841 / LM2842 / LM2840 -Q1 / LM2841 -Q1 / LM2842 -Q1 100/300/600毫安42V输入降压型DC / DC稳压器，薄型SOT LM2840/LM2841/LM2842/ LM2840-Q1/LM2841-Q1/LM2842-Q1 100/300/600 mA 42V Input Step-Down DC/DC Regulator in Thin SOT
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P2Hot
典型应用电路图在P1
原理图在P7
封装尺寸在P12P13P15P16P17
标记信息在P12P13
封装信息在P12P13P14P15P16P17
技术参数、封装参数在P3P4
应用领域在P1P20
电气规格在P3P4P5P6
导航目录
LM2840YQMKX/NOPB数据手册
Page:
of 20 Go
若手册格式错乱，请下载阅览PDF原文件
SWITCH CURRENT LIMIT
(mA)
1.0 1.6 2.2 2.8 3.4 4.0
800
600
400
200
0
SHDN PIN VOLTAGE (V)
0
10
20
30
40
50
60
70
80
90
100
0 20 40 60 80 100 120
LOAD CURRENT (mA)
EFFICIENCY (%)
V
IN
= 12V
V
IN
= 24V
0.0 0.1 0.2 0.3
LOAD CURRENT (A)
0
20
40
60
80
100
EFFICIENCY (%)
V
IN
= 12V
V
IN
= 24V
0.4 0.5 0.6
V
IN
= 36V
0.0 0.1 0.2 0.3
LOAD CURRENT (A)
0
20
40
60
80
100
EFFICIENCY (%)
V
IN
= 36V
V
IN
= 12V
V
IN
= 24V
LM2841, LM2842
www.ti.com
SNVS540H –MARCH 2009–REVISED APRIL 2013
Typical Performance Characteristics
Efficiency vs. Load Current (LM2842X, V
OUT
= 3.3V) Efficiency vs. Load Current (LM2841X, V
OUT
= 3.3V)
Figure 2. Figure 3.
Efficiency vs. Load Current (LM2840X, V
OUT
= 8V) Switching Frequency vs. Temperature (X version)
Figure 4. Figure 5.
Switch Current Limit vs. SHDN Pin Voltage
Input UVLO Voltage vs. Temperature (Soft-start Implementation, LM2840/41)
Figure 6. Figure 7.
Copyright © 2009–2013, Texas Instruments Incorporated Submit Documentation Feedback 5
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