R1155 Datasheet, PDF (2/26 Pages) RICOH electronics devices division – 150 mA 24 V Input High Voltage Regulator

R1155x
NO.EA-270-150702
SELECTION GUIDE
The output voltage, the output voltage type, and the package type for the ICs are user-selectable options.
Selection Guide
Product Name
R1155Nxxx-TR-FE
R1155Hxxx-T1-FE
Package
SOT-23-5
SOT-89-5
Quantity per Reel
3,000 pcs
1,000 pcs
Pb Free
Yes
Yes
xxx: Designation of the output voltage (VSET)
For Fixed Output Voltage Type: 2.5 V (025) to 12 V (120) in 0.1 V steps
For Adjustable Output Voltage Type: 2.5 V (001) only

: Designation of the output voltage type
(B) Fixed Output Voltage Type
(C) Adjustable Output Voltage Type
Halogen Free
Yes
Yes
BLOCK DIAGRAMS
VDD
VCE
Voltage
Reference
Reverse Current
Protection
On/Off
Control
Thermal
Shutdown
Current
Limit
VOUT
VDD
GND
VCE
Reverse Current
Protection
Voltage
Reference
On/Off
Control
Thermal Current
Shutdown Limit
VOUT
VFB
GND
R1155xxxxB Block Diagram
(Fixed Output Voltage Type)
R1155x001C Block Diagram
(Adjustable Output Voltage Type)
2