DC2255A - Schematic

1
DUST PWR
VOUT
2
REVISION HISTORY
VOUT
ECO
CAUTION: ONLY CONNECT IF
VOUT is less than 3.7V
NC
-
VSUPPLY NC
GND PGOOD
KEY
VBAT
RSVDEHORBAT
I/O 2
I/O 1
+5V
V+
L1 10uH
C16
100uF
6.3V
1210
GND
C4
100uF
6.3V
1210
C5
100uF
6.3V
1210
C3
100uF
6.3V
1210
C2
100uF
6.3V
1210
C1
1uF
16V
0805
16
13
RUN
11
PRI
NC
17
SW1
1
350mV-5.1V
U1
VAUX
20
1
VCAP
BTH1
+
14
ENVSTR
VSTORE
VOUT
PGOOD
PRI
OS1
VSTORE
OS2
SS1
ENVSTR
SS2
19
VOUT
3
VCAP
ILIMSEL
5
OS1
6
OS2
2
C14
0.1uF
6.3V
0805
GND
VCC
MPP
10
SS1
9
SS2
VCC
GND
MPPC
VCC
R3
R3
301k
3
VIN
GND
R4
JP5
JP12
1M
VCC
JP8
VCC
GND
GND
JP7
VCC
VCC
SS2
SS1
OS2
JP9
PRI
CUSTOMER NOTICE
OS2
OS1
VCC
ENVSTR
R5
1M
VCC
OS1
PRI
VSTORE
JP6
VSTORE
VCC
GND
*
JP4
8
VCC
SS1
GND
JP10
VCC
SS2
GND
1
VOUT JUMPER CONFIGURATION
OS1
OS2
VOUT
GND
GND
1.8V
GND
VCC
2.2V
VCC
GND
3.3V
VCC
VCC
5.0V
VSTORE JUMPER CONFIGURATION
PRI
SS1
SS2
VSTORE OV
VSTORE UV
GND
GND
GND
4.0V
2.78V
GND
GND
VCC
2.9V
1.9V
GND
VCC
GND
3.0V
2.15V
GND
VCC
VCC
4.0V
3.0V
VCC
GND
GND
4.2V
2.1V
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES.
NC
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG. JIM N.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
JP11
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
300mA, LOW VOLTAGE BUCK-BOOST CONVERTER WITH
POWERPATH and 1.6uA QUIESCENT CURRENT
IC NO.
N/A
SCALE = NONE
B
TITLE: SCHEMATIC
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
GND
GND
ILIMSEL
VCC
12
2
BYPASS
VIN
R_STRING
VSTORE
ENVSTR
VSTORE
E6
E8
VCC
RUN
A
PGOOD
*
RUN
GND
PGOOD
Q1
ZXMN2F30FH
1
E4
1210
R1
1M
7
15
C12
1uF
16V
0805
21
C13
1210
D2
SML-P11VTT86
PGOOD
C11
47uF
10V
1210
OPT
GND
4
VCAP
R2
4.99k
1
JP3
OPT
2
VCC
NC
1210
C9
GND
RUN
JP2
2 I
VOUT
LED
NC
C8
OPT
1210
E5
VIN
VSTORE
E7
VSTORE
2.1V - 4.3V
C7
OPT
C10
2.2uF
10V
0805
PMEG2010EA
SW2
VIN
C6
100uF
1210
D1 OPT
LTC3106EUDC
18
E2
C15
OPT
E1
VOUT
VIN
B
11 - 17 - 15
VAUX
LPS4018-103
PGOOD
DATE
JIM N.
VOUT
2
4
6
8
10
12
SMH-106-02-L-D-05
E3
APPROVED
PRODUCTION FAB
J1
1
3
5
7
9
11
A
DESCRIPTION
2
PGOOD
JP1
+
REV
DATE:
11 - 17 - 15
2
LTC3106EUDC
DEMO CIRCUIT 2255A
REV.
2
SHEET 1
OF 2
1
2
J2
1
A
PGOOD
3
VCAP
5
7
9
11
13
GND
15
17
VIN
19
+5V
VOUT
PGOOD
IO1
VCAP
IO2
NC
NC
NC
NC
NC
GND
EHORBAT VLDO
GND
V+
RSVD
VIN
VBAT
NC
2
VOUT
4
A
6
8
10
12
GND
14
16
18
VSTORE
20
SFMH-1-10-02-L-D-WT
B
CUSTOMER NOTICE
APPROVALS
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. NC
VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL
APPLICATION. COMPONENT SUBSTITUTION AND PRINTED
APP ENG. JIM N.
CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT
PERFORMANCE OR RELIABILITY. CONTACT LINEAR
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
TECHNOLOGY
TITLE: SCHEMATIC
300mA, ULTRA LOW QUIESCENT CURRENT, BUCK-BOOST
POWER MANAGER WITH MAXIMUM POWER POINT CONTROL
SIZE
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
1
IC NO.
N/A
SCALE = NONE
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
DATE:
LTC3106EUDC
DEMO CIRCUIT 2255A
11 - 17 - 15
REV.
2
SHEET 2
2
OF 2
B
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