LTC1474IS8-3.3 Linear Technology, LTC1474IS8-3.3 Datasheet - Page 14
![IC CONV STEP-DWN HI-EFF 8-SOIC](/photos/6/62/66297/8-soic_05-08-1610_sml.jpg)
LTC1474IS8-3.3
Manufacturer Part Number
LTC1474IS8-3.3
Description
IC CONV STEP-DWN HI-EFF 8-SOIC
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LTC1474CS8-5PBF.pdf
(20 pages)
Specifications of LTC1474IS8-3.3
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
750mA
Voltage - Input
3 ~ 18 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Frequency - Switching
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LTC1474IS8-3.3
Manufacturer:
LT
Quantity:
10 000
Part Number:
LTC1474IS8-3.3
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
LTC1474IS8-3.3#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LTC1474IS8-3.3#TRPBF
Manufacturer:
LINEAR
Quantity:
9 313
TYPICAL APPLICATIONS
LTC1474/LTC1475
14
3.5V TO 18V
** 3 PARALLEL STANDARD RESISTORS
††
* SUMIDA CDRH73-271
†
PROVIDE LEAST EXPENSIVE SOLUTION
(SEE R
AVX TPSC475M035
AVX TPSC107M006
4mA TO 20mA
4mA TO 20mA
V
IN
SENSE
+
IN
IN
SELECTION SECTION)
+
–
4.7 F
35V
†
† †
** MARCON THCS50E1E106Z,
†
* COILCRAFT DO1608-334
†
D2
12V
1 **
MBR0530
AVX 1206ZG106Z
OPTIONAL RESISTOR FOR SENSING LOOP CURRENT BY A/D CONVERTER
MOTOROLA MMBZ5242BL
Figure 11. High Efficiency 3.3V/10mA Output from 4mA to 20mA Loop
††
Figure 10. High Efficiency 3V/100mA Regulator (Design Example)
TO A/D
U
1 **
1 F
3
2 **
7.5M
1M
RUN
RUN
100k
2
1000pF
100k
6
3
8
SENSE
LBI
RUN
1000pF
6
3
8
SENSE
LBI
RUN
LTC1474
GND
V
IN
LTC1474-3.3
7
4
GND
V
LBO
V
SW
IN
FB
7
4
1
2
5
V
LBO
OUT
SW
0.1 F
1
2
5
1M
1%
10pF
1.43M
1%
L*
330 H
D1
MBR0530
L*
270 H
D1
MBR0530
+
10 F**
100 F
6.3V
1474/75 F11
V
3.3V
10mA
OUT
1474/75 F10
††
V
3V
100mA
OUT