数据搜索系统,热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

LM27212 数据表(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM27212
功能描述  Two-Phase Current-Mode Hysteretic Buck Controller
Download  23 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM27212 数据表(HTML) 6 Page - National Semiconductor (TI)

Back Button LM27212 Datasheet HTML 2Page - National Semiconductor (TI) LM27212 Datasheet HTML 3Page - National Semiconductor (TI) LM27212 Datasheet HTML 4Page - National Semiconductor (TI) LM27212 Datasheet HTML 5Page - National Semiconductor (TI) LM27212 Datasheet HTML 6Page - National Semiconductor (TI) LM27212 Datasheet HTML 7Page - National Semiconductor (TI) LM27212 Datasheet HTML 8Page - National Semiconductor (TI) LM27212 Datasheet HTML 9Page - National Semiconductor (TI) LM27212 Datasheet HTML 10Page - National Semiconductor (TI) Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 23 page
background image
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VDD
-0.6V to 7V
XPOK
-0.6V to 7V
SW1
-3V to 32V
VRON
-0.6V to 7V
DE_EN#
-0.6V to 7V
VOVP, VBOOT
-0.6V to 7V
VID0 to VID5
-0.6V to 7V
STP_CPU#, SLP
-0.6V to 7V
VSLP, VSTP, SENSE
-0.6V to 7V
CMP1, CMP2, CMPREF
-0.6V to 7V
ILIM1, ILIM21, ILIMREF
-0.6V to 7V
Power Dissipation
\TSSOP, TA = 25˚C,
(Note 2)
1.56W
Junction Temperature
+150˚C
Functional Temp. Range
(Note 1)
-20˚C to +110˚C
ESD Rating (Note 4)
2kV
Storage Temp Range (Note
3)
-65˚C to +150˚C
Soldering Dwell Time
Temperature (Note 3)
Wave
Infrared
Vapor Phase
4sec, 260˚C
10sec, 240˚C
75sec, 219˚C
Operating Ratings (Note 1)
VDD
4.75V to 6V
Junction Temperature
-5˚C to +110˚C
Ambient Temperature
-5˚C to +105˚C
Electrical Characteristics Specifications with standard typeface are for T
J = 25˚C, and those in bold face
type apply over a junction temperature range of -5˚C to +110˚C. Unless otherwise specified, VDD = 5V, SGND = DGND =
SRCK1 = 0V. (Note 5)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Chip Supply
VDD Shutdown Current
VRON = 0V, VDD = 6V.
1
10
µA
VDD Normal Operating
Current
VRON = 3.3V.
3
4.2
mA
UVLO Threshold
VDD goes high from 0V.
3.9
4.1
4.3
V
UVLO Hysteresis
VDD falls from above UVLO Threshold.
0.2
0.35
V
Logic
VRON, STP_CPU#, XPOK
and SLP Input Logic
Low-to-High Transition
Threshold
VRON, STP_CPU#, XPOK or SLP go high
from 0V.
1.9
2.31
V
VRON, STP_CPU#, XPOK
and SLP Input Logic
High-to-Low Transition
Threshold
VRON, STP_CPU#, XPOK or SLP fall from
3.3V.
0.99
1.43
V
CLK_EN# Sink Current
CLK_EN# = 0.1V and asserted.
2
3.2
mA
Power Good
Power Good Upper Threshold
As a Percentage of VREF
SENSE voltage goes high from 0V.
108
112
116
%
Power Good Lower Threshold
As a Percentage of VREF
SENSE voltage falling from above VREF.
84.5
87
90.5
%
Hysteresis
2%
Power Good Delay
3.6
µs
PGOOD Sink Current
PGOOD = 0.1V and asserted.
2
3mA
Output Voltage Slew Rate Control
I
SS1
SS Pin Charging Current
During Soft Start
SS = 0V.
16
22
32
µA
I
SS2
SS Pin Discharging Current
During Soft Shutdown
33
45
57
µA
www.national.com
6


类似零件编号 - LM27212

制造商部件名数据表功能描述
logo
National Semiconductor ...
LM27213 NSC-LM27213 Datasheet
958Kb / 22P
   Single Phase Hysteretic Buck Controller
logo
Texas Instruments
LM27213 TI-LM27213 Datasheet
1Mb / 32P
[Old version datasheet]   LM27213 Single Phase Hysteretic Buck Controller
logo
National Semiconductor ...
LM27213MTD NSC-LM27213MTD Datasheet
958Kb / 22P
   Single Phase Hysteretic Buck Controller
logo
Texas Instruments
LM27213MTD/NOPB TI-LM27213MTD/NOPB Datasheet
1Mb / 32P
[Old version datasheet]   LM27213 Single Phase Hysteretic Buck Controller
logo
National Semiconductor ...
LM27213MTDX NSC-LM27213MTDX Datasheet
958Kb / 22P
   Single Phase Hysteretic Buck Controller
More results

类似说明 - LM27212

制造商部件名数据表功能描述
logo
National Semiconductor ...
LM27213 NSC-LM27213 Datasheet
958Kb / 22P
   Single Phase Hysteretic Buck Controller
logo
Cherry Semiconductor Co...
CS-322 CHERRY-CS-322 Datasheet
801Kb / 4P
   Hysteretic Current-Mode Controller
logo
Texas Instruments
LM27213 TI-LM27213_15 Datasheet
1Mb / 32P
[Old version datasheet]   LM27213 Single Phase Hysteretic Buck Controller
LM3485 TI1-LM3485_14 Datasheet
1,023Kb / 22P
[Old version datasheet]   Hysteretic PFET Buck Controller
LM3475 TI1-LM3475_14 Datasheet
1Mb / 21P
[Old version datasheet]   Hysteretic PFET Buck Controller
logo
National Semiconductor ...
LM3485 NSC-LM3485 Datasheet
369Kb / 15P
   Hysteretic PFET Buck Controller
logo
Texas Instruments
LM3485 TI1-LM3485_16 Datasheet
1Mb / 28P
[Old version datasheet]   Hysteretic PFET Buck Controller
LM3485 TI-LM3485_15 Datasheet
1Mb / 24P
[Old version datasheet]   Hysteretic PFET Buck Controller
logo
National Semiconductor ...
LM3475 NSC-LM3475 Datasheet
305Kb / 14P
   Hysteretic PFET Buck Controller
logo
Texas Instruments
LM3485MMX TI-LM3485MMX Datasheet
996Kb / 23P
[Old version datasheet]   Hysteretic PFET Buck Controller
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23


数据表 下载

Go To PDF Page


链接网址




隐私政策
ALLDATASHEETCN.COM
ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com