13
LT1961
1961fa
LT1961
V
IN
FB
V
C
V
IN
5V TO 10V
*DALE LPE-4841-100MB
GND
LT1961 • TA02
V
SW
S/S
P6KE-20A
1N4148
UPS140
UPS140
C1
4.7μF
R2
10k
1%
R1
115k
1%
C2
2.2nF
C3
100pF
R3
10k
–V
OUT
–15V
V
OUT
15V
C4
47μF
C5
47μF
ON
OFF
2, 3
8, 9
7
T1*
4
10
1
+
+
+
Dual Output Flyback Converter
TYPICAL APPLICATIO S
U
LT1961
V
IN
GND
V
IN
**
4V TO 9V
V
C
FB
LT1961 • TA03
V
SW
S/S
C1
4.7μF
20V
C4
2.2nF
C5
100pF
R1
10k
R3
10k
1%
R2
31.6k
1%
V
OUT
5V
C3
47μF
10V
ON
OFF
L1A*
10μH
L1B*
10μH
C2
4.7μF
BH ELECTRONICS 511-1012
INPUT VOLTAGE MAY BE GREATER OR
LESS THAN OUTPUT VOLTAGE
D1
UPS120
V
IN
4V
5V
6V
7V
9V
I
OUT
0.59A
0.65A
0.70A
0.74A
0.80A
MAX I
OUT
*
**
+
+
4V-9V
IN
to 5V
OUT
SEPIC Converter**
14
LT1961
1961fa
LT1961
V
IN
V
C
GND
FB
LT1961 • TA04
V
SW
S/S
L1
4.7μH
C1
10μF
SINGLE
Li-Ion
CELL
C4
47μF
10V
C2
2.2nF
C3
100pF
R3
10k
R2
10k
1%
R1
31.6k
1%
V
OUT
5V
D1
UPS120
ON
OFF
+ +
+
V
IN
2.7V
3.3V
3.6V
I
OUT
0.75A
0.93A
1.0A
Single Li-Ion Cell to 5V
TYPICAL APPLICATIO S
U
15
LT1961
1961fa
PACKAGE DESCRIPTION
U
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.
MSOP (MS8E) 0307 REV D
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
0.86
(.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
8
1
BOTTOM VIEW OF
EXPOSED PAD OPTION
7
6
5
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .004)
(NOTE 4)
0.52
(.0205)
REF
1.83 ± 0.102
(.072 ± .004)
2.06 ± 0.102
(.081 ± .004)
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
2.083 ± 0.102
(.082 ± .004)
2.794 ± 0.102
(.110 ± .004)
0.889 ± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.42 ± 0.038
(.0165 ± .0015)
TYP
0.65
(.0256)
BSC
0.1016 ± 0.0508
(.004 ± .002)
MS8E Package
8-Lead Plastic MSOP, Exposed Die Pad
(Reference LTC DWG # 05-08-1662 Rev D)

LT1961EMS8E#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1.5A, 1.25MHz Boost Sw Reg
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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