Description
Semiconductor S1117API/S1117-xxPI Adjustable and Fixed LDO Voltage Regulator .
The S1117 series of positive adjustable and fixed regulators are designed to provide 1A with high efficiency.
Features
* Adjustable or Fixed output
* Output Current of 1A
* Low Dropout, 1.3V maximum at 1A Output Current
* Thermal Shutdown Protection
* Fast Transient Response
Ordering Information
Type NO. Marking
Package Code
S1117API/S1117xxPI
S1117
* PI/
Applications
* S1117API/S1117-xxPI
VI
S1117A
(Fixed Version)
VO
Adj/GND
C1I0㎌
C1O0㎌
RL
Fig. 1 Fixed Voltage Regulator
VI
S1117-xx
(Fixed Version)
Vout=3.5V VO
Adj
1CI0㎌
IADJ
1R125Ω
(1%)
R2225Ω
(1%)
C1O0㎌
VO=VADJ
* (1 + R2/R1) + IADJ
* R2 Fig. 2 Adjustable Voltage Regulator
Notes: 1) CI need