TL5209_15 Datasheet, PDF (5/23 Pages) Texas Instruments – TL5209 500-mA Low-Noise Low-Dropout Voltage Regulator With Shutdown

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TL5209
SLVS581B – SEPTEMBER 2006 – REVISED JUNE 2015
Electrical Characteristics (continued)
V_IN = V_OUT + 1 V, C_OUT = 4.7 μF, I_OUT = 1 mA, full range T_J = –40°C to 125°C
PARAMETER
TEST CONDITIONS
T_J
ΔV_OUT/ΔP _{Thermal regulation(4)}
D
V_IN = 16 V, 500-mA load
pulse for t = 10 ms
25°C
V_n
Output noise
V_OUT = 2.5 V, I_OUT = 50 mA,
C_OUT = 2.2 μF, C_BYP = 0
I_OUT = 50 mA,
C_OUT = 2.2 μF,
C_BYP = 470 pF⁽⁵⁾
25°C
25°C
V_EN
Enable logic voltage
V_EN = logic LOW
(shutdown)
25°C
–40°C to 125°C
V_EN = logic HIGH (enabled)
25°C
V_EN ≤ 0.4 V (shutdown)
25°C
I_EN
Enable input current
V_EN ≤ 0.18 V (shutdown)
V_EN ≥ 2 V (enabled)
–40°C to 125°C
25°C
–40°C to 125°C
MIN TYP MAX UNIT
0.05
%/W
500
nV/√Hz
300
0.4
0.18 V
2
0.01
–1
0.01
–2
μA
5
20
25
(4) Thermal regulation is defined as the change in output voltage at a specified time after a change in power dissipation is applied,
excluding line and load regulation effects.
(5) C_BYP is optional and connected to the BYP/ADJ pin.
7.6 Typical Characteristics
0
-10 ^{VIN = 3.5 V}
C_OUT = 2.2 µF
-20 _{CBYP = 0 µF}
-30 IOUT = 1 mA
-40
-50
-60
-70
-80
-90
-100
-110
1.E1+001 1.1E0+002 1.1Ek+03 1.1E0+k04 11.0E0+k05 1.1EM+06
Frequency – Hz
Figure 1. Power Supply Rejection Ratio
0
V_IN = 3.5 V
-10 _{COUT = 2.2 µF}
-20 C_BYP = 0.01 µF
-30 ^{IOUT = 1 mA}
-40
-50
-60
-70
-80
-90
-100
1.E1+001
1.E10+002
1.E1+k03 1.E10+k04
Frequency – Hz
11.E0+00k5
1.E1+M06
Figure 2. Power Supply Rejection Ratio
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