Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

LTC1876 Datasheet(PDF) 5 Page - Linear Technology

Part No. LTC1876
Description  High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator
Download  36 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo 

LTC1876 Datasheet(HTML) 5 Page - Linear Technology

 
Zoom Inzoom in Zoom Outzoom out
 5 / 36 page
background image
LTC1876
5
1876fa
TYPICAL PERFOR A CE CHARACTERISTICS
OUTPUT CURRENT (A)
0.001
0
10
30
40
50
100
70
0.01
0.1
1
1876 G01
20
80
90
60
10
FORCED
CONTINUOUS
MODE
CONSTANT
FREQUENCY
(BURST DISABLE)
Burst Mode
OPERATION
VIN = 15V
VOUT = 5V
OUTPUT CURRENT (A)
0.001
70
80
10
1876 G02
60
50
0.01
0.1
1
100
90
VIN = 10V
VIN = 15V
VIN = 7V
VIN = 20V
VOUT = 5V
INPUT VOLTAGE (V)
5
70
80
1876 G03
60
50
15
25
35
100
VOUT = 5V
IOUT = 3A
90
Efficiency vs Output Current and
Mode (Figure 1)
INPUT VOLTAGE (V)
05
0
400
1000
10
20
25
1876 G04
200
800
600
15
30
35
BOTH
CONTROLLERS ON
STANDBY
SHUTDOWN
CURRENT (mA)
0
150
200
250
40
1876 G05
100
50
0
10
20
30
50
TEMPERATURE (
°C)
–50
4.95
5.00
5.05
25
75
1876 G06
4.90
4.85
–25
0
50
100
125
4.80
4.70
4.75
INTVCC VOLTAGE
EXTVCC SWITCHOVER THRESHOLD
INPUT VOLTAGE (V)
0
4.8
4.9
5.1
15
25
1876 G07
4.7
4.6
510
20
30
35
4.5
4.4
5.0
ILOAD = 1mA
Internal 5V LDO Line Regulation
VIN Supply Current vs Input
Voltage and Mode (Figure 1)
DUTY FACTOR (%)
0
0
25
50
75
20
40
60
80
1876 G08
100
PERCENT ON NOMINAL OUTPUT VOLTAGE (%)
0
40
50
60
100
1876 G09
30
20
0
25
50
75
10
80
70
Efficiency vs Output Current
(Figure 1)
Efficiency vs Input Voltage
(Figure 1)
EXTVCC Voltage Drop
INTVCC and EXTVCC Switch
Voltage vs Temperature
Maximum Current Sense
Threshold vs Duty Factor
Maximum Current Sense
Threshold vs Percent of Nominal
Output Voltage (Foldback)


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 


Datasheet Download




Link URL




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

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