LTC1174CS8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1174CS8' PDF : 20 Pages View PDF
LTC1174
LTC1174-3.3/LTC1174-5
TYPICAL APPLICATIO S
Low Noise 3V Regulator
INPUT VOLTAGE
4V TO 12.5V
7 IPGM
6
VIN
8
SHUTDOWN
3 LBIN
2
LTC1174
LBOUT
1
VFB
SW 5
GND
4
* AVX TPSD226K025
** AVX TPSD105K010
† COILTRONICS CTX50-4
+ 22µF*
25V
×3
0.1µF
50µH†
6.8nF
1N5818
+ 100µF** 42k
10V
×2
30k
1174 TA05
VOUT
3V
450mA
Positive-to-Negative (– 5V) Converter
* LOW-BATTERY INDICATOR
IS SET TO TRIP AT VIN = 4.4V
** AVX TPSD106K035
VIN(V) IOUT MAX(mA)
4
110
*** AVX TPSD105K010
6
140
D1 = MBRS130LT3 (SURFACE MOUNT) 8
170
1N5818
10
200
† L1 SELECTION
12.5
235
MANUFACTURER
COILTRONICS
COILCRAFT
SUMIDA
GOWANDA
PART NO.
CTX50-3
DT3316-473
CD54-470
GA10-472K
TYPE
SURFACE MOUNT
SURFACE MOUNT
SURFACE MOUNT
THROUGH HOLE
4.7K
*LOW-
BATTERY
INDICATOR
280k
43k
INPUT VOLTAGE
4V TO 12.5V
7 IPGM
6
VIN
8
SHUTDOWN
2
LBOUT
1
VOUT
3
LTC1174HV-5 5
LBIN
SW
GND
4
+
0.1µF
10µF**
35V
×2
L1†
D1 50µH
+
100µF***
10V
VOUT
1174 TA06 – 5V
1174fe
14
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