LT1932 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1932' PDF : 16 Pages View PDF
TYPICAL APPLICATIO S
VIN
3V TO 4.2V
Li-Ion Driver for Eight White LEDs
L1
4.7µH
D1
C1
4.7µF
3.3V DC
DIMMING
CONTROL
6
1
VIN
SW
LT1932
5
SHDN
3
LED
RSET
GND
80.6k 4
2
RSET
1.50k
15mA
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN GMK316BJ105
D1: ZETEX ZHCS400
L1: MURATA LQH3C4R7M24
(408) 573-4150
(408) 573-4150
(631) 543-7100
(814) 237-1431
C2
1µF
1932 TA13a
LT1932
Efficiency
85
80
VIN = 4.2V
75
70
VIN = 3V
65
60
55
0
5
10
15
20
LED CURRENT (mA)
1932 TA13b
PACKAGE DESCRIPTIO
S6 Package
6-Lead Plastic SOT-23
(LTC DWG # 05-08-1634)
(LTC DWG # 05-08-1636)
2.80 – 3.10
(.110 – .118)
(NOTE 3)
.20
(.008)
DATUM ‘A’
A A2
L
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2.
DIMENSIONS
ARE
IN
MILLIMETERS
(INCHES)
.09 – .20
(.004 – .008)
(NOTE 2)
3. DRAWING NOT TO SCALE
4. DIMENSIONS ARE INCLUSIVE OF PLATING
5. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
6. MOLD FLASH SHALL NOT EXCEED .254mm
7. PACKAGE EIAJ REFERENCE IS:
SC-74A (EIAJ) FOR ORIGINAL
JEDEL MO-193 FOR THIN
1.90
(.074)
REF
SOT-23
(Original)
A
.90 – 1.45
(.035 – .057)
.00 – 0.15
A1 (.00 – .006)
A2
.90 – 1.30
(.035 – .051)
L
.35 – .55
(.014 – .021)
SOT-23
(ThinSOT)
1.00 MAX
(.039 MAX)
.01 – .10
(.0004 – .004)
.80 – .90
(.031 – .035)
.30 – .50 REF
(.012 – .019 REF)
2.60 – 3.00 1.50 – 1.75
(.102 – .118) (.059 – .069)
(NOTE 3)
A1
PIN ONE ID
.95
(.037)
REF
.25 – .50
(.010 – .020)
(6PLCS, NOTE 2)
S6 SOT-23 0401
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.
1932f
15
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