Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

LM2655 Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM2655
Description  2.5A High Efficiency Synchronous Switching Regulator
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2655 Datasheet(HTML) 5 Page - National Semiconductor (TI)

  LM2655 Datasheet HTML 1Page - National Semiconductor (TI) LM2655 Datasheet HTML 2Page - National Semiconductor (TI) LM2655 Datasheet HTML 3Page - National Semiconductor (TI) LM2655 Datasheet HTML 4Page - National Semiconductor (TI) LM2655 Datasheet HTML 5Page - National Semiconductor (TI) LM2655 Datasheet HTML 6Page - National Semiconductor (TI) LM2655 Datasheet HTML 7Page - National Semiconductor (TI) LM2655 Datasheet HTML 8Page - National Semiconductor (TI) LM2655 Datasheet HTML 9Page - National Semiconductor (TI) Next Button
Zoom Inzoom in Zoom Outzoom out
 5 / 16 page
background image
All Output Voltage Versions Electrical Characteristics
Specifications with standard typeface are for T
J = 25˚C, and those in boldface type apply over full Operating Temperature
Range.V
IN = 10V unless otherwise specified.
Symbol
Parameter
Conditions
Typical
(Note 6)
Limit
(Note 5)
Units
I
Q
Quiescent Current
Shutdown Pin Floating (Device On)
Device Not Switching
1.7
3
mA
mA(max)
I
QSD
Quiescent Current in
Shutdown Mode
Shutdown Pin Pulled Low
7
12/20
µA
µA(max)
R
DS(ON)
Switch ON Resistance
I
SWITCH = 1.5A
33
80
m
Ω
m
Ω(max)
R
SW(ON)
Switch On Resistance
(MOSFET ON Resistance
+ Bonding Wire
Resistance)
I
SWITCH = 1.5A
72
m
Ω
I
L
Switch Leakage Current
5
nA
V
BOOT
Bootstrap Regulator
Voltage
I
BOOT =1mA
C
BOOT=tbd
6.7
6.4
7.0
V
V(min)
V(max)
G
M
Error Amplifier
Transconductance
1250
µmho
A
V
Error Amplifier Voltage
Gain
100
I
EA_SOURCE
Error Amplifier Source
Current
V
IN = 4V, VFB = .9*VOUT,VCOMP =
2V
40
32/10
µA
µA(min)
I
EA_SINK
Error Amplifier Sink Current
V
IN = 4V, VFB = 1.1*VOUT,VCOMP =
2V
80
53/30
µA
µA(min)
V
EAH
Error Amplifier Output
Swing Upper Limit
V
IN = 4V, VFB = .9*VOUT,VCOMP =
2V
2.70
2.50/2.40
V
V(min)
V
EAL
Error Amplifier Output
Swing Lower Limit
V
IN = 4V, VFB = .9*VOUT,VCOMP =
2V
1.25
1.35/1.50
V
V(max)
F
OSC
Oscillator Frequency
Measured at Switch Pin
V
IN =4V
300
280/255
330/345
kHz
kHz(min)
kHz(max)
D
MAX
Maximum Duty Cycle
V
IN =4V
95
92
%
%(min)
I
SS
Soft-Start Current
Voltage at the SS Pin = 1.4V
11
14
µA
µA(max)
V
OUTUV
V
OUT Undervoltage
Lockout Threshold Voltage
81
76
84
%V
OUT
%V
OUT(min)
%V
OUT(max)
Hysteresis for V
OUTUV
5
%V
OUT
V
OUTOV
V
OUT Overvoltage Lockout
Threshold Voltage
108
106
114
%V
OUT
%V
OUT(min)
%V
OUT(max)
Hysteresis for V
OUTOV
5
%V
OUT
I
LDELAY__
SOURCE
LDELAY Pin Source
Current
5µA
I
SHUTDOWN
Shutdown Pin Current
Shutdown Pin Pulled Low
2.2
3.7/4.0
µA
µA(max)
V
SHUTDOWN
Shutdown Pin Threshold
Voltage
Rising Edge
0.6
0.25
0.9
V
V(min)
V(max)
T
SD
Thermal Shutdown
Temperature
165
˚C
T
SD_HYST
Thermal Shutdown
Hysteresis Temperature
25
˚C
www.national.com
5



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
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