TS2937 Taiwan Semiconductor Company, TS2937 Datasheet - Page 2

• Manufacturer Part Number: TS2937
• Description: 500mA Ultra Low Dropout Fixed Positive Voltage Regulator
• Manufacturer: Taiwan Semiconductor Company

Note 1: Absolute Maximum Rating is limits beyond which damage to the device may occur. For guaranteed Specifications
Note 2: Maximum positive supply voltage of 60V must be limited duration (<100mS) and duty cycle (<1%).
Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, Tj, the junction to
Note 4: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its
Note 5: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the
Note 6: Output current will decrease with increasing temperature, but it will be not dropped below 500mA at the maximum
TS2937
Electrical Characteristics
Vin = Vout + 1V, I
Output Voltage
Output Voltage
Input Supply Voltage
Output Voltage Temperature
Coefficient
Line Regulation
Load Regulation
Dropout Voltage (Note 4)
Quiescent Current (Note 5)
Short Circuit Current (Note 6)
Output Noise,
10Hz to 100KHz, I
Thermal Performance
Thermal Resistance
Junction to Ambient
and test conditions see the Electrical Characteristics.
ambient thermal resistance, θja, and the ambient temperature, Ta. Exceeding the maximum allowable power
dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. The effective
value of θja can be reduced by using a heatsink.
nominal value measured at 1V differential.
ground pin current and output load current.
specified temperature.
Parameter
Condition
L
L
=10mA
= 5mA, C
o
= 10uF, Ta = 25
5mA ≤ I
Vo+1V ≤ Vin ≤ 26V
Vo+1V ≤ Vin ≤ 26V
5mA ≤ I
I
I
I
I
I
I
Vout=0
C
C
C
TO-220
TO-263
TO-252
SOT-223
L
L
L
L
L
L
=100mA
=300mA
=500mA
=100uA
=300mA
=500mA
L
L
L
=2.2uF
=3.3uF
=33uF
Package type
L
L
Conditions
o
≤ 500mA,
≤ 500mA
C, unless otherwise specified.
2-2
0.980|Vo|
0.970|Vo|
Min
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Vout
Typ
0.05
Typ
100
300
500
100
500
350
120
150
170
0.2
50
12
25
60
80
2003/12 rev. B
--
--
1.020|Vo|
1.030|Vo|
Max
150
200
400
600
0.5
1.0
1.3
26
--
--
--
--
--
--
ppm/
uVrms
o
Unit
Unit
mV
mA
C/W
uA
%
%
V
V
V
A
o
C