Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

LTC3869-2 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC3869-2
Description  Dual, Fast, Accurate Step-Down DC/DC Controller
Download  54 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3869-2 Datasheet(HTML) 3 Page - Linear Technology

  LTC3869-2 Datasheet HTML 1Page - Linear Technology LTC3869-2 Datasheet HTML 2Page - Linear Technology LTC3869-2 Datasheet HTML 3Page - Linear Technology LTC3869-2 Datasheet HTML 4Page - Linear Technology LTC3869-2 Datasheet HTML 5Page - Linear Technology LTC3869-2 Datasheet HTML 6Page - Linear Technology LTC3869-2 Datasheet HTML 7Page - Linear Technology LTC3869-2 Datasheet HTML 8Page - Linear Technology LTC3869-2 Datasheet HTML 9Page - Linear Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 54 page
background image
LTC3838
3
3838fa
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3838EUHF#PBF
LTC3838EUHF#TRPBF
3838
38-Lead (5mm
× 7mm) Plastic QFN
–40°C to 125°C
LTC3838IUHF#PBF
LTC3838IUHF#TRPBF
3838
38-Lead (5mm
× 7mm) Plastic QFN
–40°C to 125°C
LTC3838EFE#PBF
LTC3838EFE#TRPBF
LTC3838FE
38-Lead Plastic TSSOP
–40°C to 125°C
LTC3838IFE#PBF
LTC3838IFE#TRPBF
LTC3838FE
38-Lead Plastic TSSOP
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C. VIN = 15V unless otherwise noted (Note 3).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Main Control Loops
VIN
Input Voltage Operating Range
4.5
38
V
VOUT1,2(REG)
Regulated Output Voltage Operating Range VOUT1 Regulated Differentially with Respect to
VOUTSENSE1–, VOUT2 Regulated with Respect to
SGND
0.6
5.5
V
IQ
Input DC Supply Current
Both Channels Enabled
Only One Channel Enabled
Shutdown Supply Current
MODE/PLLIN = 0V, No Load
RUN1 or RUN2 (But Not Both) = 0V
RUN1 = RUN2 = 0V
3
2
15
mA
mA
μA
VOUTSENSE1(REG) Regulated Differential Feedback Voltage on
Channel 1 (VOUTSENSE1+ – VOUTSENSE1–)
ITH1 = 1.2V (Note 5)
TA = 25°C
TA = 0°C to 85°C
TA = –40°C to 125°C
l
l
0.5985
0.596
0.594
0.6
0.6
0.6
0.6015
0.604
0.606
V
V
V
Regulated Differential Feedback Voltage on
Channel 1 Over Line, Load and Common
Mode
VIN = 4.5V to 38V, ITH1 = 0.5V to 1.9V (Note 5),
–0.5V < VOUTSENSE1– < 0.5V
TA = 0°C to 85°C
TA = –40°C to 125°C
l
l
0.594
0.591
0.6
0.6
0.606
0.609
V
V
VFB2(REG)
Regulated Feedback Voltage on Channel 2
ITH2 = 1.2V (Note 5)
TA = 25°C
TA = 0°C to 85°C
TA = –40°C to 125°C
l
l
0.597
0.594
0.592
0.6
0.6
0.6
0.603
0.606
0.608
V
V
V
Regulated Feedback Voltage on Channel 2
Over Line, Load
VIN = 4.5V to 38V, ITH2 = 0.5V to 1.9V (Note 5)
TA = 0°C to 85°C
TA = –40°C to 125°C
l
l
0.592
0.588
0.6
0.6
0.608
0.612
V
V
IVOUTSENSE1+
VOUTSENSE1+ Input Bias Current
VOUTSENSE1+ – VOUTSENSE1– = 0.6V
±5
±25
nA
IVOUTSENSE1–
VOUTSENSE1– Input Bias Current
VOUTSENSE1+ – VOUTSENSE1– = 0.6V
–25
–50
μA
IVFB2
VFB2 Input Bias Current
VFB2 = 0.6V
–5
±50
nA
gm(EA)1,2
Error Amplifier Transconductance
ITH = 1.2V (Note 5)
1.7
mS
tON(MIN)1,2
Minimum Top Gate On-Time
VIN = 38V, VOUT = 0.6V, RT = 20k (Note 6)
30
ns
tOFF(MIN)1,2
Minimum Top Gate Off-Time
(Note 6)
90
ns


Similar Part No. - LTC3869-2

ManufacturerPart #DatasheetDescription
logo
Linear Technology
LTC3869-2 LINER-LTC3869-2 Datasheet
349Kb / 30P
   550kHz, PolyPhase, High Efficiency, Synchronous Step-Down Switching Regulator
LTC3869-2 LINER-LTC3869-2 Datasheet
398Kb / 32P
   2-Phase, High Efficiency DC/DC Controller for Intel Mobile CPUs
LTC3869-2 LINER-LTC3869-2 Datasheet
696Kb / 50P
   Fast, Accurate, 2-Phase, Single-Output Step-Down DC/DC Controller
LTC3869-2 LINER-LTC3869-2 Datasheet
550Kb / 36P
   Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
LTC3869-2 LINER-LTC3869-2 Datasheet
465Kb / 36P
   Current Mode Synchronous Controller for Sub Milliohm DCR Sensing
More results

Similar Description - LTC3869-2

ManufacturerPart #DatasheetDescription
logo
Linear Technology
LTC3838 LINER-LTC3838_15 Datasheet
726Kb / 54P
   Dual, Fast, Accurate Step- Down DC/DC Controller with Differential Output Sensing
LTC3838-2 LINER-LTC3838-2 Datasheet
5Mb / 56P
   Dual, Fast, Accurate Step-Down DC/DC Controller with External Reference Voltage
LTC3838-1 LINER-LTC3838-1_15 Datasheet
5Mb / 52P
   Dual, Fast, Accurate Step-Down DC/DC Controller with Dual Differential Output Sensing
LTC3838-1 LINER-LTC3838-1 Datasheet
5Mb / 52P
   Dual, Fast, Accurate Step-Down DC/DC Controller with Dual Differential Output Sensing
LTC3839 LINER-LTC3839 Datasheet
696Kb / 50P
   Fast, Accurate, 2-Phase, Single-Output Step-Down DC/DC Controller
LTC3833 LINER-LTC3833_15 Datasheet
523Kb / 36P
   Fast Accurate Step-Down DC/DC Controller with Differential Output Sensing
LTC3838-2 LINER-LTC3838-2_15 Datasheet
5Mb / 56P
   Dual, Fast, Accurate Step-Down DC/DC Controller with xternal Reference Voltage and Dual Differential Output Sensing
LTC3861-1 LINER-LTC3861-1_15 Datasheet
1Mb / 38P
   Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
LTC3861 LINER-LTC3861_15 Datasheet
977Kb / 38P
   Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
LTC3861-1 LINER-LTC3861-1 Datasheet
550Kb / 36P
   Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing
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 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   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