Datasheet

8
LTC1928-5
1928f LT/TP 0601 2K • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2000
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear-tech.com
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1550/LTC1551 Low Noise, 900kHz Charge Pump 1mV
P-P
Typical Ripple, Up to 10mA
LT1611 Inverting 1.4MHz Switching Regulator 5V to –5V at 150mA, Low Output Noise
LT1613 1.4MHz Boost Switching Regulator in ThinSOT 3.3V to 5V at 200mA, Low Noise PWM Operation
LTC1682 Doubler Charge Pump with Low Noise Linear Regulator 60µV
RMS
Noise, I
OUT
up to 80mA, MSOP
LTC1754-5 Micropower 5V Charge Pump in ThinSOT I
Q
= 13µA, I
OUT
to 50mA, Shutdown
LT1761 Series 100mA ThinSOT, Low Noise LDO Regulators 20µA I
Q
, 20µV
RMS
Noise, 300mV Dropout
LTC3200 Constant Frequency Doubler Charge Pump Low Noise, 5V Output or Adjustable
Figure 5. Low Noise 5V Supply with Shutdown
APPLICATIONS INFORMATION
WUU
U
3
4
2
1
5
6
V
IN
CP
CN/SHDN
V
OUT
CPO
GND
100
2N7002
SHDN
C
OUT
4.7µF
C
IN
4.7µF
C
FLY
0.47µF
5V
V
IN
2.7V TO 4.4V
C
CPO
4.7µF
19285 F05
LTC1928-5
V
RIPPLE
< 800µV
P-P
S6 Package
6-Lead Plastic SOT-23
(Reference LTC DWG # 05-08-1634)
(Reference LTC DWG # 05-08-1636)
PACKAGE DESCRIPTION
U
1.50 – 1.75
(.059 – .069)
(NOTE 3)
2.60 – 3.00
(.102 – .118)
.25 – .50
(.010 – .020)
(6PLCS, NOTE 2)
L
DATUM ‘A’
.09 – .20
(.004 – .008)
(NOTE 2)
A1
S6 SOT-23 0401
2.80 – 3.10
(.110 – .118)
(NOTE 3)
.95
(.037)
REF
A
A2
1.90
(.074)
REF
.20
(.008)
.90 – 1.45
(.035 – .057)
.00 – 0.15
(.00 – .006)
.90 – 1.30
(.035 – .051)
.35 – .55
(.014 – .021)
1.00 MAX
(.039 MAX)
A
A1
A2
L
.01 – .10
(.0004 – .004)
.80 – .90
(.031 – .035)
.30 – .50 REF
(.012 – .019 REF)
PIN ONE ID
MILLIMETERS
(INCHES)
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:
SC-74A (EIAJ) FOR ORIGINAL
JEDEL MO-193 FOR THIN
SOT-23
(Original)
SOT-23
(ThinSOT)