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L99VR02XP 数据表(PDF) 21 Page - STMicroelectronics

部件名 L99VR02XP
功能描述  Dual automotive linear voltage regulator with configurable output voltage (2x250 mA current capability)
PDF  50 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L99VR02XP 数据表(HTML) 21 Page - STMicroelectronics

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3
Test circuit and waveforms plot
3.1
Load regulation
Figure 34. Load regulation test circuit
VS_LDO1
En_LDO1
Ishort_LDO1
RES_LDO2
SEL1_LDO1
OUT_LDO1
Vcw_LDO1
Wi_LDO1
GND
SEL2_LDO1
TW_LDO2
SEL3_LDO1
RES_LDO1
En_LDO2
OUT_LDO2
SEL1_LDO2
SEL2_LDO2
SEL3_LDO2
Ishort_LDO2
TW_LDO1
TC_CONF
VS_LDO2
VCR_LDO1
VCR_LDO2
Vcw_LDO2
Rsh_LDO2
Rsh_LDO1
Wi_LDO2
Ctr1
Ctr2
C1
C2
Ctw1
Ctw2
Co2
Rrst2
Rrst1
3.3 µF
Vbat
ESR
Vo
LOAD
Io
Figure 35. Maximum load variation response (5 V)
-0.70
-0.55
-0.40
-0.25
-0.10
0.05
0.20
4.9
5.0
5.0
5.1
5.1
5.2
5.2
0.00
0.01
0.02
0.03
0.04
0.05
Time (s)
Vout (5V)
Iout (A)
Figure 36. Maximum load variation response (3.3 V)
-0.70
-0.55
-0.40
-0.25
-0.10
0.05
0.20
3.2
3.25
3.3
3.35
3.4
3.45
0.00
0.01
0.02
0.03
0.04
0.05
Time (s)
Vout (3.3V)
Iout (A)
L99VR02XP
Test circuit and waveforms plot
DS14686 - Rev 1
page 21/50



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