Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

R1155H075B-TR-FE Datasheet(PDF) 11 Page - RICOH electronics devices division

Part # R1155H075B-TR-FE
Description  150 mA 24 V Input High Voltage Regulator
Download  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

R1155H075B-TR-FE Datasheet(HTML) 11 Page - RICOH electronics devices division

Back Button R1155H075B-TR-FE Datasheet HTML 7Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 8Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 9Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 10Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 11Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 12Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 13Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 14Page - RICOH electronics devices division R1155H075B-TR-FE Datasheet HTML 15Page - RICOH electronics devices division Next Button
Zoom Inzoom in Zoom Outzoom out
 11 / 26 page
background image
R1155x
NO.EA-270-150702
11
Adjustable Output Voltage Type Setting (R1155x001C)
The output voltage of the R1155x001C can be adjusted up to 23 V by using the external divider resistors (R1,
R2). The resistance value for R2 should be set to 24 MΩ or less. By using the following equations, the output
voltage can be determined. VFB voltage which is fixed inside the IC is described as setVFB. setVFB is 2.5 V.
When using the R1155x001C with 2.5 V, please connect the VOUT pin to the VFB pin.
GND
VOUT
VFB
RIC
R2
IIC
I1
I2
R1
setVFB
VOUT
Output Voltage Adjustment Using External Divider Resistors
I1 = IIC + I2.......................................................................................................................................(1)
I2 = setVFB / R2................................................................................................................................(2)
Thus,
I1 = IIC + setVFB / R2......................................................................................................................... (3)
Therefore,
VOUT = setVFB + R1 x I1.................................................................................................................... (4)
Insert Equation (3) into Equation (4), so
VOUT = setVFB + R1 x (IIC + setVFB / R2)
= setVFB x (1+ R1 / R2) + R1 x IIC ............................................................................................ (5)
In Equation (5), R1xIIC is the error-causing factor in VOUT.
As for IIC,
IIC = setVFB / RIC…………………………………………………………………………………………………………………………………………………(6)
Therefore, the error-causing factor R1x IIC can be described as follows.
R1 x IIC = R1 x setVFB / RIC
= setVFB
 R1 / RIC .............................................................................................................. (7)
For better accuracy, choosing R1 (<<RIC) reduces this error.
Without the error-causing factor R1x IIC, the output voltage can be calculated by the following equation.
VOUT = setVFB
 ((R1 + R2) / R2) ..................................................................................................... (8)
RIC of the R1155x001C is approximately Typ.8.4 MΩ (Ta = 25
°C, guaranteed by Design Engineering).
RIC could be affected by the temperature, therefore evaluate the circuit taking the actual conditions of use into
account when deciding the resistance values for R1 and R2.


Similar Part No. - R1155H075B-TR-FE

ManufacturerPart #DatasheetDescription
logo
Hamamatsu Corporation
R11558 HAMAMATSU-R11558 Datasheet
140Kb / 2P
   PHOTOMULTIPLIER TUBE
logo
Nisshinbo Micro Devices...
R1155N001C NISSHINBO-R1155N001C Datasheet
1Mb / 30P
   150 mA 24 V Input High Voltage Regulator
R1155N025B NISSHINBO-R1155N025B Datasheet
1Mb / 30P
   150 mA 24 V Input High Voltage Regulator
R1155N026B NISSHINBO-R1155N026B Datasheet
1Mb / 30P
   150 mA 24 V Input High Voltage Regulator
R1155N027B NISSHINBO-R1155N027B Datasheet
1Mb / 30P
   150 mA 24 V Input High Voltage Regulator
More results

Similar Description - R1155H075B-TR-FE

ManufacturerPart #DatasheetDescription
logo
Nisshinbo Micro Devices...
R1155X NISSHINBO-R1155X Datasheet
1Mb / 30P
   150 mA 24 V Input High Voltage Regulator
logo
ABLIC Inc.
S-1312 ABLIC-S-1312 Datasheet
540Kb / 47P
   5.5 V INPUT, 150 mA VOLTAGE REGULATOR
Rev.2.5_00
S-1711 ABLIC-S-1711 Datasheet
599Kb / 44P
   6.5 V INPUT, 150 mA, 2-CIRCUIT VOLTAGE REGULATOR
Rev.3.2_00
logo
Texas Instruments
TPS715A TI1-TPS715A_16 Datasheet
1Mb / 26P
[Old version datasheet]   24-V High Input Voltage, Micropower, 80-mA LDO Voltage Regulator
TPS715A-NM TI1-TPS715A-NM Datasheet
466Kb / 20P
[Old version datasheet]   24-V High Input Voltage, Micropower, 80-mA LDO Voltage Regulator
logo
ON Semiconductor
NCP4641H030T1G ONSEMI-NCP4641H030T1G Datasheet
332Kb / 14P
   150 mA, Wide Input Range, Voltage Regulator
December, 2010 ??Rev. 0
NCP4641H050T1G ONSEMI-NCP4641H050T1G Datasheet
332Kb / 14P
   150 mA, Wide Input Range, Voltage Regulator
December, 2010 ??Rev. 0
logo
Nisshinbo Micro Devices...
R1154X NISSHINBO-R1154X Datasheet
648Kb / 26P
   150 mA Voltage Regulator (Wide Input Voltage Range)
logo
Texas Instruments
TPS715A TI-TPS715A_15 Datasheet
1Mb / 28P
[Old version datasheet]   TPS715A, 24-V High Input Voltage, Micropower, 80-mA LDO Voltage Regulator
logo
ABLIC Inc.
S-19251 ABLIC-S-19251 Datasheet
908Kb / 41P
   AUTOMOTIVE, 105째C OPERATION, 5.5 V INPUT, 150 mA VOLTAGE REGULATOR
Rev.1.1_01
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


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