SI9181DQ-20-T1-E3 VISHAY [Vishay Siliconix], SI9181DQ-20-T1-E3 Datasheet - Page 9

• Manufacturer Part Number: SI9181DQ-20-T1-E3
• Description: Micropower 350-mA CMOS LDO Regulator With Error Flag/Power-On-Reset
• Manufacturer: VISHAY [Vishay Siliconix]

Document Number: 71119
S-40694—Rev. D, 19-Apr-04
BLOCK DIAGRAMS
V
V
IN
IN
SD
SD
ON
ON
2.2 mF
2.2 mF
C
C
GND
GND
IN
IN
OFF
OFF
4
8
3
4
8
3
6 MW
6
6 MW
6
ADJ
RFB2
RFB1
SENSE
60 mV
FIGURE 6. 350-mA CMOS LDO Regulator (Adjustable Output)
1.215 V
1.215 V
FIGURE 5. 350-mA CMOS LDO Regulator (Fixed Output)
V
V
REF
REF
+
1
1
+
+
−
+
−
60 mV
C
C
+
−
+
−
NOISE
NOISE
+
−
+
−
2 mA
2 mA
To V
To V
−
+
−
+
Switches shown for device in normal operating mode (SD = HIGH)
IN
IN
5
2
7
5
2
7
2.2 mF
2.2 mF
C
C
OUT
OUT
C
0.1 mF
C
0.1 mF
V
Vishay Siliconix
DELAY
ADJ
DELAY
R
R
R
R
EXT
2
1
EXT
www.vishay.com
Si9181
V
ERROR
V
ERROR
OUT
OUT
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