ltc1928 Linear Technology Corporation, ltc1928 Datasheet - Page 8

• Manufacturer Part Number: ltc1928
• Description: Doubler Charge Pump With Low Noise Linear Regulator In Thinsot
• Manufacturer: Linear Technology Corporation

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