Linear Technology LT1761, Manual

Page: 2 / 8

2
DEMO MANUAL DC330
LOW DROPOUT REGULATOR
PACKAGE A D SCHE ATIC DIAGRA S M
W U W
Figure 1. 100mA Low Noise LDO Regulator
LT1761ES5-BYP
LT1761ES5-SD
1
3
5
7
9
11
13
15
17 2
4
6
8
10
12
14
16
18
OUT
BYP
ADJ
5
3
4
U1
LT1761-BYP
GND
C2
1
µ
F
25V
TP1
V
IN1
TP3
GND
1
2
R9
249k
1%
R1
R2
118k
1% R3
158k
1% R4
261k
1% R5
324k
1% R6
365k
1% R7
422k
1% R8
768k
1%
C1
0.01
µ
F
C3
10
µ
F
TAIYO YUDEN
JP1
IN
USER
SELECT 1.22V 1.8V 2V 2.5V 2.8V 3V 3.3V 5V
TP2
V
OUT1
TP4
GND
1
3
5
7
9
11
13
15
17 2
4
6
8
10
12
14
16
18
OUT
ADJ
5
4
U2
LT1761-SD
GND
C4
1
µ
F
25V
TP5
V
IN2
TP8
SHDN
1
2
R18
249k
1%
R10
R11
118k
1% R12
158k
1% R13
261k
1% R14
324k
1% R15
365k
1% R16
422k
1% R17
768k
1%
C5
4.7
µ
F
6.3V
TAIYO YUDEN
JP3
IN
USER
SELECT 1.22V 1.8V 2V 2.5V 2.8V 3V 3.3V 5V
TP6
V
OUT2
TP7
GND
JP2
3
SHDN
CommConn Con. Inc.
6351-18P1
CommConn Con. Inc.
6351-18P1
DC330 F01
5 OUT
4 ADJ
IN 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
GND 2
BYP 3
5 OUT
4 ADJ
IN 1
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
GND 2
SHDN 3
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