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LT1307IS8#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
16
LT1307/LT1307B
1307fa
Constant Current NiCd Battery Charger with Overvoltage Protection
for Acknowledge-Back Pagers
Step-Up/Step-Down Converter
Low Cost 2-Cell to 5V
V
IN
V
C
SW
FB
LT1307
L1
10µH
L1*
•
•
MBR0520
V
IN
2.1V TO 4.8V
100k
3
CELLS
608k
1.02M
3.3V
100mA
1000pF
L1: COILTRONICS CTX10-1 OR 2 MURATA ERIE LQH3C100
EFFICIENCY ≈70% TO 73%
1307 TA03
1µF
CERAMIC
2.2µF
CERAMIC
GND
SHDN
SHDN
10µF
CERAMIC
V
IN
V
C
SW
FB
LBO
LBI
LT1307
L1
10µH
V
IN
1.8V TO 1V
•
MBR0520L
47k
1 CELL
AA OR
AAA
2200pF
1µF
23
L1: COILTRONICS CTX10-1
1307 TA04
1nF
3V
200mV
15mA
–100mV
3 CELLS
NiCd
2.2µF
CERAMIC
GND
SHDN
1 = CHARGE
0 = SHUTDOWN
323k
280k 6.7Ω
1M
OVERVOLTAGE
PROTECTION
1µF
CERAMIC
1
4
30k
•
V
IN
SW
FB
LT1307
V
IN
1.4V TO 3.3V
L1
10µH
1N5818
SHDN
100k
323k
1M
5V
100mA
4700pF
C1, C2: PANASONIC ECA0JFQ221
(DIGI-KEY P5604-ND)
L1: SUMIDA CD43-100
1307 TA02
C1*
220µF
6.3V
0.1µF
GND
0.1µF
C2
220µF
6.3V
+
+
TYPICAL APPLICATIO S
U
17
LT1307/LT1307B
1307fa
Single Cell Powered Constant Current LED Driver
C1
1µF
CERAMIC
L1
10µH
D1
V
IN
1307 TA05
NC
D2
40mA
R1
5.1Ω
100k
ON/OFF
V
IN
R2
22k
100k
C2
1µF
CERAMIC
Q1
2N3906
AA
CELL
C3
22µF
L1: MURATA-ERIE LQH3C100K04
D1: 1N4148
C1, C2: CERAMIC
D2, D3: LUMEX SSL-X100133SRC/4 "MEGA-BRITE" RED LED
OR PANASONIC LNG992CF9 HIGH BRIGHTNESS BLUE LED
+
V
IN
SW
FB
LT1307B
LBI
LBO
SHDN
V
C
GND
Flash Memory VPP Supply
V
IN
SW
FB
LT1307
L1
10µH
D1
47k
232k
1%
2M
1%
1307 TA09
0.33µF
CERAMIC
×2
12V/30mA FROM 3V
12V/60mA FROM 5V
~250mV
P-P
RIPPLE
0.33µF
V
C
GND
SHDNSHUTDOWN
D1: MOTOROLA MBR0520L
L1: MURATA-ERIE LQH3C100K04
1µF
TANTALUM
2000pF
1N4148
V
IN
3V TO 5.5V
10pF
+
High Voltage Flyback Converter
V
IN
V
IN
1V TO 5V
SW
1N4148
4
6
3
1
•
•
LT1307
FBSHDNSHUTDOWN
V
C
100k
1000pF
GND
R2
240k
1%
R1
2V
OUT
V
OUT
0.1µF
1µF
CERAMIC
0.01µF
0.1µF
1307 TA06
OPTIONAL
DOUBLER
T1
1:12
T1: DALE LPE3325-A190, n = 12 (605) 665-9301
MAXIMUM DUTY CYCLE: ≈80%
FOR FLYBACK, V
OUT
= n(V
IN
– V
SW
)
V
OUT
= 1.22V 1 +
()
R1
R2
DC
1 – DC
FOR 1V
IN
, MAXIMUM V
OUT
=
FOR 2V
IN
, MAXIMUM V
OUT
≈ 85V.
HIGHER VOLTAGES ACHIEVED WITH CAPACITIVE DOUBLER OR TRIPLER
NO SNUBBER REQUIRED WITH SPECIFIED TRANSFORMER AND V
IN
< 5V
12(1 – 0.2) ≈ 37V
0.8
1 – 0.8
TYPICAL APPLICATIO S
U
18
LT1307/LT1307B
1307fa
Single Cell CCFL Power Supply
V
IN
V
C
D1
100Ω
43
CCFL
2
1.5V
5
T1
1
1307 TA08
610
SW
FB
0.1µF
C1
0.1µF
1
CELL
1.5V
1.5V
1k
L1
33µH
LT1307B
1 = OPERATE
0 = SHUTDOWN
C1: WIMA MKP-20
D1: MOTOROLA MBR0520L
L1: SUMIDA CD54-330
T1: COILTRONICS CTX110611
Q1, Q2: ZETEX FZT-849
GND
SHDN
10k
DIMMING
0.1µF
1N4148
1N4148
1µF
CERAMIC
10k
47pF
3kV
Q1 Q2
TYPICAL APPLICATIO S
U
U
PACKAGE DESCRIPTIO
MS8 Package
8-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1660)
MSOP (MS8) 1001
0.53 ± 0.015
(.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
(.077)
0.254
(.010)
1.10
(.043)
MAX
0.22 – 0.38
(.009 – .015)
0.13 ± 0.05
(.005 ± .002)
0.86
(.34)
REF
0.65
(.0256)
BCS
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
12
3
4
4.88 ± 0.1
(.192 ± .004)
8
7
6
5
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .004)
NOTE 4
0.52
(.206)
REF
5.23
(.206)
MIN
3.2 – 3.45
(.126 – .136)
0.889
± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.42 ± 0.04
(.0165 ± .0015)
TYP
0.65
(.0256)
BSC
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LT1307IS8#PBF

Mfr. #:
Buy LT1307IS8#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1x Cell uP 600kHz PWM DC/DC Convs
Lifecycle:
New from this manufacturer.
Delivery:
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