LT1932 Linear Technology, LT1932 Datasheet - Page 15

• Manufacturer Part Number: LT1932
• Description: Constant-Current/ Constant-Voltage 1.4MHz Step-Up DC/DC Converter
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
TYPICAL APPLICATIO S
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
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:
3V TO 4.2V
(.008)
.20
SC-74A (EIAJ) FOR ORIGINAL
JEDEL MO-193 FOR THIN
DATUM ‘A’
V
IN
L
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN GMK316BJ105
D1: ZETEX ZHCS400
L1: MURATA LQH3C4R7M24
DIMMING
CONTROL
MILLIMETERS
Li-Ion Driver for Eight White LEDs
C1
4.7 F
3.3V DC
(INCHES)
80.6k
5
SHDN
R
V
SET
IN
6
4
R
1.50k
LT1932
4.7 H
SET
L1
GND
(.004 – .008)
SW
LED
.09 – .20
(NOTE 2)
U
1
2
[phone]
[phone]
[phone]
[phone]
D1
3
U
A A2
15mA
A1
A2
A
L
(.035 – .057)
(.035 – .051)
(.014 – .021)
6-Lead Plastic SOT-23
(LTC DWG # 05-08-1634)
(LTC DWG # 05-08-1636)
(.00 – .006)
(Original)
.90 – 1.45
.00 – 0.15
.90 – 1.30
.35 – .55
SOT-23
S6 Package
1932 TA13a
C2
1 F
(.074)
1.90
REF
(.012 – .019 REF)
(.0004 – .004)
.30 – .50 REF
(.031 – .035)
(.039 MAX)
(ThinSOT)
1.00 MAX
.01 – .10
.80 – .90
SOT-23
85
80
75
70
65
60
55
A1
0
(.102 – .118)
2.60 – 3.00
5
LED CURRENT (mA)
(.059 – .069)
1.50 – 1.75
(NOTE 3)
Efficiency
10
V
IN
(.037)
REF
.95
= 3V
V
IN
= 4.2V
15
PIN ONE ID
(6PLCS, NOTE 2)
1932 TA13b
(.010 – .020)
(.110 – .118)
.25 – .50
2.80 – 3.10
(NOTE 3)
20
LT1932
15
S6 SOT-23 0401