TS1117B
1A Low Dropout Positive Voltage Regulator
2/7
Version: E12
Absolute Maximum Rating
(Note 1)
Parameter Symbol Limit Unit
Input Supply Voltage V
15 V
Recommend Operation Input Supply Voltage V
(Opr. Typ.)
12 V
Power Dissipation (Note 2) P
Internal limited
Thermal Resistance
Junction to Ambient
TO-252
Ө
JA
105
o
C/W SOT-223 130
SOP-8 160
Operating Temperature Range T
OPER
-40 ~ +125
o
C
Junction Temperature Range T
+150
Storage Temperature Range T
-65 ~ +150
Lead Soldering Temperature (260
o
C) TO-252 / SOT-223 5 S
SOP-8 2
Electrical Specification
(
Ta = 25
o
C, unless otherwise specified.)
Parameter Conditions Min Typ Max Unit
Reference Voltage V
IN
= 2.75, Io=1A 1.225 1.25 1.275 V
Output Voltage (Note 4)
V
IN
= 2.7V~12V, Io=1A 1.176 1.2 1.224 V
V
IN
= 3V~12V, Io=1A 1.470 1.5 1.530 V
V
IN
= 3.3V~12V, Io=1A 1.764 1.8 1.836 V
V
IN
= 4V~12V, Io=1A 2.450 2.5 2.550 V
V
IN
= 4.8V~12V, Io=1A 3.235 3.3 3.366 V
V
IN
= 6.5V~12V, Io=1A 4.900 5.0 5.100 V
Line Regulation Vo+1.5V ≤ V
IN
≤ 12V, Io= 10mA -- 0.2 0.5 %
Load Regulation (Note 1,2) V
IN
= V
OUT
+1.5V, Io = 10mA~1A -- 0.05 1.0 %
Dropout Voltage Io=1A, ∆V
OUT
= 1% V
OUT
-- 1.3 1.5 V
Quiescent Current V
IN
= 5V -- 5 10 mA
Adjustable Pin Current -- 90 -- uA
Output Current Limit V
IN
- V
OUT
= 1.5V 1.1 -- -- A
Temperature Stability Io=10mA, -- 0.5 -- %
Ripple Rejection F= 120Hz, Io= 1A, C
OUT
=25uF, V
IN
= Vout+3V -- 60 70 dB
Note 1: See thermal regulation specification for changes in output voltage due to heating effects. Line and load
regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load
regulation is measured at the output lead = 1/18” from the package.
Note 2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation
is determined by the input / output voltage difference and the output current. Guaranteed maximum power
dissipation will not be available over the full input / output voltage range.
Note 3: Quiescent current is defined as the minimum output current required to maintain the regulation.
Note 4: The Output Capacitor does not have a theoretical upper limit and increasing its value will increase stability
C
OUT
=100uF or more is typical for high current regulator design.