Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

RH5RH312B-T2 Datasheet(PDF) 9 Page - RICOH electronics devices division

Part # RH5RH312B-T2
Description  PWM STEP-UP DC/DC CONVERTER
Download  29 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

RH5RH312B-T2 Datasheet(HTML) 9 Page - RICOH electronics devices division

Back Button RH5RH312B-T2 Datasheet HTML 5Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 6Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 7Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 8Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 9Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 10Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 11Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 12Page - RICOH electronics devices division RH5RH312B-T2 Datasheet HTML 13Page - RICOH electronics devices division Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 29 page
background image
8
• RH5RH303B
Symbol
Item
VOUT
Output Voltage
VIN
Input Voltage
Vstart
Start-up Voltage
Vhold
Hold-on Voltage
η
Efficiency
IDD1
Supply Current 1
IDD2
Supply Current 2
ILX
Lx Switching Current
ILXleak
Lx Leakage Current
IEXTH
EXT “H” Output Current
IEXTL
EXT “L” Output Current
VCEH1
CE “H” Level 1
VCEL1
CE “L” Level 1
VCEH2
CE “H” Level 2
VCEL2
CE “L” Level 2
ICEH
CE “H” Input Current
ICEL
CE “L” Input Current
fosc
Oscillator Frequency
Maxdty
Oscillator Maximum Duty
Cycle
tstart
Soft-Start Time
VLXlim
VLX Voltage Limit
Conditions
MIN.
TYP.
MAX.
Unit
Note
2.925
3.000
3.075
V
8V
IOUT=1mA,VIN : 0
→2V
0.8
0.9
V
IOUT=1mA,VIN : 2
→0V
0.7
V
70
85
%
To be measured at OUT pin
30
50
µA
To be measured at OUT pin
25
µA
VIN=3.5V
VLX=0.4V
60
mA
VLX=6V,VIN=3.5V
0.5
µA
VEXT=VOUT–0.4V
–1.5
mA
VEXT=0.4V
1.5
mA
VOUT
≥1.5V
VOUT–0.4
V
VOUT
≥1.5V
0.4
V
0.8V
≤VOUT<1.5V
VOUT–0.1
V
0.8V
≤VOUT<1.5V
0.1
V
CE=3V
0.5
µA
CE=0V
–0.5
µA
80
100
120
kHz
on (VLX “L” )side
70
80
90
%
Time required for the rising
0.5
2.0
ms
Note1
of VOUT up to 3V.
Lx Switch ON
0.65
0.8
1.0
V
Note2
VOUT=3.0V
Unless otherwise provided, VIN=1.8V, VSS=0V, IOUT=10mA, Topt=25˚C, and use External Circuit of Typical
Application (FIG. 3).
(Note 1) Soft-Start Circuit is operated in the following sequence :
(1) VIN is applied.
(2) The voltage (Vref) of the reference voltage unit is maintained at 0V for about 200µs after the application of VIN.
(3) The output of Error Amp. is raised to “H” level during the maintenance of the voltage (Vref) of the reference voltage unit.
(4) After the rise of Vref, the output of Internal Error Amp. is gradually decreased to an appropriate value by the function of Internal Phase Com
pensation Circuit, and the Output Voltage is gradually increased in accordance with the gradual decrease of the output of Internal Error Amp.
(Note 2) ILX is gradually increased after Lx Switch is turned ON. In accordance with the increase of ILX, VLX is also increased. When VLX reaches VLXlim,
Lx Switch is turned OFF by an Lx Switch Protection Circuit.
RH5RH


Similar Part No. - RH5RH312B-T2

ManufacturerPart #DatasheetDescription
logo
RICOH electronics devic...
RH5RE RICOH-RH5RE Datasheet
270Kb / 20P
   Supply Current Typ. 1.1uA (VOUT=3.0V, VIN=5.0V)
RH5RE20AA RICOH-RH5RE20AA Datasheet
137Kb / 20P
   VOLTAGE REGULATOR FOR MIDDLE OUTPUT CURRENT
RH5RE20AA-RF RICOH-RH5RE20AA-RF Datasheet
137Kb / 20P
   VOLTAGE REGULATOR FOR MIDDLE OUTPUT CURRENT
RH5RE20AA-RR RICOH-RH5RE20AA-RR Datasheet
137Kb / 20P
   VOLTAGE REGULATOR FOR MIDDLE OUTPUT CURRENT
RH5RE20AA-T1 RICOH-RH5RE20AA-T1 Datasheet
137Kb / 20P
   VOLTAGE REGULATOR FOR MIDDLE OUTPUT CURRENT
More results

Similar Description - RH5RH312B-T2

ManufacturerPart #DatasheetDescription
logo
Diodes Incorporated
PAM2421 DIODES-PAM2421 Datasheet
561Kb / 10P
   PWM STEP-UP DC-DC CONVERTER
logo
Advanced Power Electron...
APE1911 A-POWER-APE1911 Datasheet
330Kb / 9P
   STEP-UP PWM DC/DC Converter
logo
Anpec Electronics Corop...
APW7077 ANPEC-APW7077 Datasheet
454Kb / 21P
   PWM Step-Up DC-DC Converter
logo
RICOH electronics devic...
R1210N301C RICOH-R1210N301C Datasheet
179Kb / 18P
   PWM Step-up DC/DC Converter
logo
Advanced Power Electron...
APE1912 A-POWER-APE1912 Datasheet
83Kb / 7P
   STEP-UP PWM DC/DC CONVERTER
logo
SHOUDING Shouding Semic...
SDB842X SHOUDING-SDB842X Datasheet
1Mb / 7P
   PWM Step-Up DC-DC Converter
logo
Maxim Integrated Produc...
MAX618 MAXIM-MAX618 Datasheet
204Kb / 14P
   28V, PWM, Step-Up DC-DC Converter
Rev 0; 6/99
logo
ELM Technology Corporat...
ELM95-SERIES ELM-TECH-ELM95-SERIES Datasheet
1Mb / 15P
   CMOS PWM step-up DC/DC converter
logo
Unisonic Technologies
UC3551 UTC-UC3551 Datasheet
160Kb / 6P
   ADVANCED PWM STEP-UP DC-DC CONVERTER
logo
Microchip Technology
TC115 MICROCHIP-TC115_13 Datasheet
232Kb / 14P
   PFM/PWM Step-Up DC/DC Converter
10/26/12 2002-2012
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


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