LTC1434CGN Linear Technology, LTC1434CGN Datasheet - Page 20
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LTC1434CGN
Manufacturer Part Number
LTC1434CGN
Description
IC DC/DC CONV STEP-DOWN 20-SSOP
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet
1.LTC1433CGN.pdf
(20 pages)
Specifications of LTC1434CGN
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V, 5V, Adj
Current - Output
450mA
Frequency - Switching
125kHz ~ 240kHz
Voltage - Input
3 ~ 13.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
LTC1433/LTC1434
TYPICAL APPLICATIO
RELATED PARTS
PART NUMBER
LT
LTC1174/LTC1174-3.3/
LTC1174-5
LTC1265
LT1375/LT1376
LTC1474
LTC1435
LTC1436/LTC1436-PLL
LTC1438/LTC1439
LTC1538-AUX
LTC1539
LTC1627
Burst Mode is a trademark of Linear Technology Corporation.
20
®
1074/LT1076
I
I
OUT(MAX)
OUT(MAX)
I
OUT(MIN)
I
OUT(MIN)
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear-tech.com
V
V
OUT
= 130mA
OUT
= 130mA
= 10mA
= 5mA
= – 5V
= 5V
DESCRIPTION
Step-Down Switching Regulators
High Efficiency Step-Down and Inverting DC/DC Converters
1.2A High Efficiency Step-Down DC/DC Converter
1.5A, 500kHz Step-Down Switching Regulators
High Efficiency Step-Down Converter
High Efficiency Synchronous Step-Down Controller
High Efficiency Low Noise Synchronous Step-Down Controllers
Dual High Efficiency Low Noise Synchronous Step-Down Controllers
Dual High Efficiency Synchronous Step-Down Controller
Dual High Efficiency Low Noise Synchronous Step-Down Controller
High Efficiency Monolithic Synchronous DC/DC Converter
100 F*
10V
+
+
D1: MOTOROLA MBRS130LT3
L1A, L1B:
MANUFACTURER
COILTRONICS
DALE
3
100 F*
10V
20 H
U
L1B
•
4
4.7 F**
D1
PART NO.
CTX20-4
LPT4545-200LA
•
2
1
L1A
20 H
D2
0.01 F
5V to 5V Outputs
** WIMA MKS2
* AVX TPSD107M010R0100
1
2
3
4
5
6
7
8
SSW
NC
BSW
NC
SGND
RUN/SS
LBO
LBI
LTC1433
V
PWRV
OSENSE
V
PGND
C
PROG
SV
POR
OSC
I
TH
IN
IN
16
15
14
13
12
11
10
9
100kHz, 5A (LT1074) or 2A (LT1076) Internal Switch
Burst Mode Operation
High Frequency, Small Inductor, High Efficiency
16-Pin Narrow SO and SSOP
24-Pin Narrow and 28-Pin SSOP
Auxiliary Linear Regulator 5V Standby in Shutdown
COMMENTS
Burst Mode
Switchers, 1.5A Switch
Low I
Up to Four Outputs Capability
Auxiliary Linear Regulator 5V Standby in Shutdown
Low Supply Voltage: 2.65V to 10V, 0.5A
50pF
L1B
L1B
Q
= 10 A, 8-Pin MSOP
TOP VIEW
4
3
14334fa LT/TP 1298 2K REV A • PRINTED IN THE USA
TM
100k
5.1k
Operation
2
1
6800pF
•
L1A
L1A
LINEAR TECHNOLOGY CORPORATION 1996
+
POWER-ON
RESET
1433/34 TA06
100 F*
10V
680pF
0.1 F
V
5V
IN