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LTC1542CMS8#PBF

P1-P3P4-P6P7-P9P10-P12
10
LTC1541/LTC1542
15412fd
CAPACITOR VALUE (µF)
0.001
0.1
RESISTOR VALUE (kΩ)
10
1000
0.01 0.1 101
1541/42 F02
1
100
Figure 2. Damping Resistance vs Bypass Capacitor Value
8
7
4
LTC1541
1541/42 F03a
6 REF
5 COMPIN
+
COMPOUT
V
CC
V
SS
R1
430Ω
C1
1µF
×1
+
–
5V TO 8V
COMP
Figure 3a. Reference Transient Response Test Circuit
7.5Ω
10W
DALE
HLM-10
12V
5AHR
GEL CELL
4
8
+
–
1
1/2
LTC1541
3
2
7
5
6
1541/42 TA06
+
–
1/2
LTC1541
1M
VN2222
Si9405
1M
3.65M
1A
SOLAR
ARRAY
6.8V
ZENER
1N754
340k
TIP121
8M
2A
FUSE
1M
V
REF
= 1.2V
(INTERNAL)
LOAD
Shunt Battery Charger with Low-Battery Load Disconnect
Figure 4. Compensation for Feedback Node Capacitance
8V
5V
V
REF
OUT
V
+
2mV/DIV
2ms/DIV LTC1541 • F03b
Figure 3b. Reference and Comparator Output Transient Response
APPLICATIO S I FOR ATIO
WUUU
TYPICAL APPLICATIO S
U
11
LTC1541/LTC1542
15412fd
3.00 ±0.10
(4 SIDES)
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-1)
2. ALL DIMENSIONS ARE IN MILLIMETERS
3. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
4. EXPOSED PAD SHALL BE SOLDER PLATED
0.38 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
(2 SIDES)
0.75 ±0.05
R = 0.115
TYP
2.38 ±0.10
(2 SIDES)
14
85
PIN 1
TOP MARK
0.200 REF
0.00 – 0.05
(DD8) DFN 0203
0.28 ± 0.05
2.38 ±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 ±0.05
(2 SIDES)2.15 ±0.05
0.50
BSC
0.675 ±0.05
3.5 ±0.05
PACKAGE
OUTLINE
0.28 ± 0.05
0.50 BSC
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
U
PACKAGE DESCRIPTIO
DD Package
8-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1698)
MS8 Package
8-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1660)
S8 Package
8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610)
.016 – .050
(0.406 – 1.270)
.010 – .020
(0.254 – 0.508)
× 45°
0°– 8° TYP
.008 – .010
(0.203 – 0.254)
SO8 0303
.053 – .069
(1.346 – 1.752)
.014 – .019
(0.355 – 0.483)
TYP
.004 – .010
(0.101 – 0.254)
.050
(1.270)
BSC
1
2
3
4
.150 – .157
(3.810 – 3.988)
NOTE 3
8
7
6
5
.189 – .197
(4.801 – 5.004)
NOTE 3
.228 – .244
(5.791 – 6.197)
.245
MIN
.160
±.005
RECOMMENDED SOLDER PAD LAYOUT
.045 ±.005
.050 BSC
.030 ±.005
TYP
INCHES
(MILLIMETERS)
NOTE:
1. DIMENSIONS IN
2. DRAWING NOT TO SCALE
3. THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm)
MSOP (MS8) 0204
0.53 ± 0.152
(.021 ± .006)
SEATING
PLANE
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.18
(.007)
0.254
(.010)
1.10
(.043)
MAX
0.22 – 0.38
(.009 – .015)
TYP
0.127 ± 0.076
(.005 ± .003)
0.86
(.034)
REF
0.65
(.0256)
BSC
0
° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
12
3
4
4.90
± 0.152
(.193 ± .006)
8
7
6
5
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .004)
(NOTE 4)
0.52
(.0205)
REF
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
0.889
± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.42 ± 0.038
(.0165 ± .0015)
TYP
0.65
(.0256)
BSC
12
LTC1541/LTC1542
15412fd
© LINEAR TECHNOLOGY CORPORATION 2005
LT 1105 REV D • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LT
®
1078/LT1079 Dual/Quad Micropower, Single Supply Precision Op Amps 70µV, V
OS
Max and 0.4µV/°C Drift, 200kHz GBW, 0.07V/µs
Slew Rate, Input/Output Common Mode Includes Ground
LT1178/LT1179 Dual/Quad 17µA Max, Single Supply Precision Op Amps 70µV, V
OS
Max and 2.5µV/°C Drift Max, 85kHz GBW, 0.04V/µs
Slew Rate, Input/Output Common Mode Includes Ground
LT1490/LT1491 Dual/Quad Micropower Rail-to-Rail Input and Output Op Amps Single Supply Input Range: – 0.4V to 44V, Micropower 50µA
Amplifier, Rail-to-Rail Input and Output, 200kHz GBW
LT1635 Micropower Rail-to-Rail Op Amp and Reference 130µA of Supply Current, 1.3mV V
OS
Max
LT2078/LT2079 Dual/Quad Micropower, Single Supply Precision Op Amps SO-8 and 14-Lead Standard Pinout, 70µV V
OS
Max, 200kHz GBW
LT2178/LT2179 Dual/Quad 17µA Max, Single Supply Precision Op Amps SO-8 and 14-Lead Standard Pinout, 70µV V
OS
Max, 85kHz GBW
RELATED PARTS
TYPICAL APPLICATIO S
U
R1
220Ω
0.25W
V
CC
+
–
+
–
2
1
3
6
7
8
5
4
R1
1M
Q2
2N3906
Q1
FZT2907A
V
IN
6V
300mA
SHUTDOWN
IC1
LTC1541
V
SS
1541/42 TA07
R4
100k
1%
R3
3.83k
1%
R7
0.15Ω
R5
2.2M
R8
249k
0.5%
300mA
4.2V FLOAT
Li-ION
C3
0.01µF
C1
4700pF
D1
1N5817
C2
0.1µF
R6
33k
R9
100k
0.5%
×1
Linear Lithium-Ion Charger
Voltage Control Oscillator
–
+
1
4
8
LTC1542
OP AMP
2
3
7
6
5
5V
0V
V
OUT
V
CC
V
IN
0V – V
CC
1541/42 TA03
–
+
R4
5M
1M
1M
R2
150k
R1
300k
R4
1.1M
VN2222
VN2222
C1
0.047µF
R3
500k
FREQ ≈
V
C
2.4C • R1 • V
CC
VALUES SHOWN ARE FOR
100Hz WITH V
IN
= V
CC
LTC1542
COMP
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
–
+
1
4
8
2
3
7
5
6
1541/42 TA04
–
+
LTC1542
OP AMP
LTC1542
COMP
5M
5M
0.1µF
R2
500k
R1
10M
R3
5M
FREQ ≈
R1
4C • R2 • R3
V
CC
3V TO 12V
Single Supply Function Generator
1541/42 TA05
+
–
LTC1542
OP AMP
V
SS
–3V
V
CC
3V TO 9V
V
OUT
–2.5V
1
4
8
2
3
200k
LT1634-2.5
Negative Reference
P1-P3P4-P6P7-P9P10-P12

LTC1542CMS8#PBF

Mfr. #:
Buy LTC1542CMS8#PBF
Manufacturer:
Analog Devices Inc.
Description:
Analog Comparators uP OpAmp + Comparator
Lifecycle:
New from this manufacturer.
Delivery:
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