Datasheet

12
LTC1751/LTC1751-3.3/LTC1751-5
 LINEAR TECHNOLOGY CORPORATION 2000
1751f LT/TP 0401 4K • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear-tech.com
PART NUMBER DESCRIPTION COMMENTS
LTC1144 Charge Pump Inverter with Shutdown V
IN
= 2V to 18V, 15V to –15V Supply
LTC1262 12V, 30mA Flash Memory Prog. Supply Regulated 12V ±5% Output, I
Q
= 500µA
LTC1514/LTC1515 Buck/Boost Charge Pumps with I
Q
= 60µA 50mA Output at 3V, 3.3V or 5V; 2V to 10V Input
LTC1516 Micropower 5V Charge Pump I
Q
= 12µA, Up to 50mA Output, V
IN
= 2V to 5V
LTC1517-5/LTC1517-3.3 Micropower 5V/3.3V Doubler Charge Pumps I
Q
= 6µA, Up to 20mA Output
LTC1522 Micropower 5V Doubler Charge Pump I
Q
= 6µA, Up to 20mA Output
LTC1555/LTC1556 SIM Card Interface Step-Up/Step-Down Charge Pump, V
IN
= 2.7V to 10V
LTC1682 Low Noise Doubler Charge Pump Output Noise = 60µV
RMS
, 2.5V to 5.5V Output
LTC1754-5 Micropower 5V Doubler Charge Pump I
Q
= 13µA, Up to 50mA Output, SOT-23 Package
LTC1755 Smart Card Interface Buck/Boost Charge Pump, I
Q
= 60µA, V
IN
= 2.7V to 6V
LTC3200 Constant Frequency Doubler Charge Pump Low Noise, 5V Output or Adjustable
RELATED PARTS
TYPICAL APPLICATIO
U
C4
1µF
LTC1751
C
+
C
–
V
OUT
FB
GND
C3
680pF
V
IN
SHDN
SS
2
65
1
4
3
7
8
C1
10µF
3V TO 4.5V
Li-Ion
BATTERY
82Ω
1751 TA03
C2
10µF
82Ω
UP TO 6 LEDS
82Ω 82Ω 82Ω 82Ω
V
SHDN
t
17ms
Current Mode White or Blue LED Driver with PWM Brightness Control
Dimensions in inches (millimeters) unless otherwise noted.
U
PACKAGE DESCRIPTIO
MS8 Package
8-Lead Plastic MSOP
(LTC DWG # 05-08-1660)
MSOP (MS8) 1100
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,
PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
0.021
±
0.006
(0.53
±
0.015)
0
°
– 6
°
TYP
SEATING
PLANE
0.007
(0.18)
0.043
(1.10)
MAX
0.009 – 0.015
(0.22 – 0.38)
0.005
±
0.002
(0.13
±
0.05)
0.034
(0.86)
REF
0.0256
(0.65)
BSC
12
3
4
0.193
±
0.006
(4.90
±
0.15)
8
7
6
5
0.118
±
0.004*
(3.00
±
0.102)
0.118
±
0.004**
(3.00
±
0.102)