R1172 Datasheet, PDF (2/25 Pages) RICOH electronics devices division – SUPER LOW ON RESISTANCE / LOW VOLTAGE 1A LDO

R1172x
BLOCK DIAGRAMS
R1172xxx1A
VDD
VOUT
Vref
Current Limit
Thermal Shutdown
CE
GND
R1172xxx1B
VDD
VOUT
VDD
R1172xxx1D
VOUT
Vref
Vref
Current Limit
Thermal Shutdown
Current Limit
Thermal Shutdown
CE
GND CE
GND
SELECTION GUIDE
The output voltage, chip-enable polarity, auto discharge function, and package for the ICs can be selected at
the user’s request.
Product Name
Package
Quantity per Reel
Pb Free
Halogen Free
R1172Nxx1∗-TR-FE
SOT-23-5
3,000 pcs
Yes
Yes
R1172Hxx1∗-T1-FE
SOT-89-5
1,000 pcs
Yes
Yes
R1172Dxx1∗-TR-FE
HSON-6
3,000 pcs
Yes
Yes
R1172Sxx1∗-E2-FE
HSOP-6J
1,000 pcs
Yes
Yes
xx: The output voltage can be designated in the range from 0.8V(08) to 5.0V(50) in 0.1V steps.
(HSOP-6J : 0.8V to 3.5V)
(For other voltages, please refer to MARK INFORMATIONS.)
∗ : CE pin polarity and auto discharge function at off state are options as follows.
(A) "L" active, without auto discharge function at off state
(B) "H" active, without auto discharge function at off state
(D) "H" active, with auto discharge function at off state
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