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L99VR01STR 数据表(PDF) 17 Page - STMicroelectronics

部件名 L99VR01STR
功能描述  Automotive low dropout linear voltage regulator with configurable output voltage having 200 mA current capability
PDF  47 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L99VR01STR 数据表(HTML) 17 Page - STMicroelectronics

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3
Test circuit and waveforms plot
3.1
Load regulation
Figure 29. Load regulation test circuit
Vs
E N
Ishort
R ST
SEL 1
Vcw
Wi
GND
C tw
R sh
Vo
SEL 2
TW
Vbat
SEL 3
C 1
C 2
R
RST
3.3 µF
ESR
LOAD
Vo
Io
+
-
0
250
750
1000
200
100
0
Time (µs)
Step Change of Load
Current
0
250
750
1000
xx
x
0
Time (µs)
Resultant
Output Voltage
Figure 30. Maximum load variation response
Vo=5V
Vo=3.3V
-2.50E-01
-2.00E-01
-1.50E-01
-1.00E-01
-5.00E-02
0.00E+00
5.00E-02
1.00E-01
1.50E-01
4.92
4.94
4.96
4.98
5
5.02
5.04
5.06
5.08
0
0.001
0.002
0.003
0.004
0.005
Vout_5V
Iout_5V_100mA
-0.25
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
3.24
3.26
3.28
3.3
3.32
3.34
3.36
0
0.001
0.002
0.003
0.004
0.005
Vout_3.3V
Iout_3.3V_100mA
L99VR01
Test circuit and waveforms plot
DS13649 - Rev 3
page 17/47



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