OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC1559CS-5#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
16
LTC1559-3.3/LTC1559-5
TYPICAL APPLICATION
U
LTC1559-3.3 Backup System with an LTC1435 Main System Regulator (LTC1435 Output Sense at the Drain of Q11)
Description
The PS pin connects to Q11’s drain and allows the LTC1559
to detect the restoration of the main battery during backup
mode. Once the LTC1435’s output is greater than V
OUT
+
BG
SENSE
–
SENSE
+
INTV
CC
BOOST
SW
C
OSC
SGND PGND
RUN/SS
I
TH
V
OSENSE
V
IN
LTC1435
TG
C4
0.1
µ
F
R
SENSE
**
0.033Ω
L1*
10
µ
H
*SUMIDA CDRH125-10
**IRC LR2010-01-R033-F
†
SUMIDA CD54-220
C3
4.7
µ
F
16V
D1
CMDSH-3
1559 TA03
D2
MBRS140T3
R5
20k
1%
R1
35.7k
1%
C5
1000pF
C6
100pF
Q2
N-CHANNEL
Si4412DY
Q1
N-CHANNEL
Si4412DY
SFB
EXTV
CC
11
7
8
12
15
14
13
C
IN
22µF
35V
× 2
16
5
10
1
2
3
6
4
9
C
OSC
68pF
R
C
10k
C
SS
0.1
µ
F
C
C
330pF
C1
100pF
C
C2
51pF
+
C2
0.1µF
BACKUP
OUTPUT
3.3V
MAIN
OUTPUT
3.3V
CTL
C11
1µF
6.3V
BACKUP
BATTERY
1.2V
NiCd
MAIN
BATTERY
4.5 TO 28V
Q11
P-CHANNEL
Si9424Y
R14
14k
SW
LTC1559-3.3
L11
†
22µH
GND
PS
7
1
8
5
6
3
RESET
PUSH-BUTTON
2
4
V
BAK
V
CC
RESET
BACKUP
+
R15
100k
C12
1µF
RESET
BACKUP
+
+
C
OUT
100µF
10V
×2
+
C15
100µF
10V
during backup mode, the LTC1559 deasserts its BACKUP
pin and returns control back to the LTC1435. Q11 turns on
and allows the LTC1435 to charge C15. Please refer to the
Applications Information section for more details.
17
LTC1559-3.3/LTC1559-5
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
0.016 – 0.050
0.406 – 1.270
0.010 – 0.020
(0.254 – 0.508)
× 45°
0°– 8° TYP
0.008 – 0.010
(0.203 – 0.254)
SO8 0996
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
TYP
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
18
LTC1559-3.3/LTC1559-5
PACKAGE DESCRIPTION
U
Dimensions in inches (millimeters) unless otherwise noted.
GN Package
16-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
GN16 (SSOP) 1197
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
12
3
4
5
6
7
8
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
16
15
14
13
0.189 – 0.196*
(4.801 – 4.978)
12 11 10
9
0.016 – 0.050
(0.406 – 1.270)
0.015
± 0.004
(0.38 ± 0.10)
× 45°
0° – 8° TYP
0.007 – 0.0098
(0.178 – 0.249)
0.053 – 0.068
(1.351 – 1.727)
0.008 – 0.012
(0.203 – 0.305)
0.004 – 0.0098
(0.102 – 0.249)
0.025
(0.635)
BSC
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LTC1559CS-5#TRPBF

Mfr. #:
Buy LTC1559CS-5#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Battery Management 5V Backup Bat Ctl for DC/DC output
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet