TS2938_07 Datasheet, PDF (2/7 Pages) Taiwan Semiconductor Company, Ltd – 500mA Ultra Low Dropout Voltage Regulator with Inhibit Function

TS2938
500mA Ultra Low Dropout Voltage Regulator
with Inhibit Function
Absolute Maximum Rating (Note 1)
Parameter
Input Supply Voltage (Note 2)
Operation Input Supply Voltage
Power Dissipation (Note 3)
Operating Junction Temperature Range
Storage Temperature Range
Symbol
V_IN
V_OPR
P_D
T_J
T_STG
Limit
-18 ~ +60
26
Internally Limited
-40 ~ + 125
-65 ~ +150
Unit
V
V
W
o_C
o_C
Electrical Characteristics ( V_IN=V_OUT+1V, I_L=5mA, C_O=10uF, T_A=25^oC, unless otherwise noted)
Parameter
Conditions
Min
Typ
Max
Output Voltage
Reference Voltage (Adjustable)
Output Voltage Temperature Coefficient
T_A=25^oC
T_A=25~85^oC
T_A=25^oC
0.980|Vo|
0.960|Vo|
1.21
--
V_OUT
1.235
50
1.020|Vo|
1.040|Vo|
1.26
150
Line Regulation
Load Regulation
Dropout Voltage (Note 4)
Vo+1V ≤ V_IN ≤ 26V
5mA ≤ I_L ≤ 500mA
I_L=100mA
I_L=300mA
I_L=500mA
--
0.05
0.5
--
0.2
1.0
--
100
200
--
300
400
--
500
600
Quiescent Current (Note 5)
Short Circuit Current (Note 6)
Output Noise,
10Hz to 100KHz, I_L=10mA
Ripple Rejection
I_L=100uA
I_L=300mA
I_L=500mA
V_OUT =0
C_L=2.2uF
C_L=3.3uF
C_L=33uF
Ratio
--
200
300
--
12
20
--
25
50
--
0.9
1.3
--
500
--
--
350
--
--
120
--
60
--
--
Shutdown Input
Input Logic Voltage
Low (Regulator ON)
--
1.3
0.7
High (Regulator OFF)
2.0
--
--
Shutdown Pin Input Current
Vinhibit = 2.4V
Vinhibit = 26V
--
30
50
--
450
600
Vinhibit≤2V, Vin≤26V
Regulator Output Current in Shutdown
--
Vout=0V
--
200
Unit
V
V
V
ppm/ ^oC
%
%
mV
uA
mA
mA
A
uVrms
dB
V
uA
Thermal Performance
Condition
Thermal Resistance Junction to Case
Typ
Unit
20
o_C/W
2/7
Version: A07