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LTC1439CG 数据表(PDF) 32 Page - Linear Technology

部件名 LTC1439CG
功能描述  Dual High Efficiency, Low Noise, Synchronous Step-Down Switching Regulators
PDF  32 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1439CG 数据表(HTML) 32 Page - Linear Technology

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LTC1438/LTC1439
PART NUMBER
DESCRIPTION
COMMENTS
LTC1142/LTC1142HV
Dual High Efficiency Synchronous Step-Down Switching Regulators
Dual Synchronous, VIN ≤ 20V
LTC1148/LTC1148HV
High Efficiency Step-Down Switching Regulator Controllers
Synchronous, VIN ≤ 20V
LTC1159
High Efficiency Step-Down Switching Regulator Controller
Synchronous, VIN ≤ 40V, For Logic Threshold FETs
LT
®1375/LT1376
1.5A, 500kHz Step-Down Switching Regulators
High Frequency, Small Inductor, High Efficiency
Switchers, 1.5A Switch
LTC1430
High Power Step-Down Switching Regulator Controller
High Efficiency 5V to 3.3V Conversion at Up to 15A
LTC1435
Single High Efficiency Low Noise Switching Regulator Controller
16-Pin Narrow SO and SSOP Packages
LTC1436/LTC1436-PLL/ High Efficiency Low Noise Synchronous Step-Down
Full-Featured Single Controller
LTC1437
Switching Regulator Controllers
LT1510
Constant-Voltage/Constant-Current Battery Charger
1.3A, Li-Ion, NiCd, NiMH, Pb-Acid Charger
LTC1538-AUX
Dual, Synchronous Controller with AUX Regulator
5V Standby in Shutdown
LTC1539
Dual High Efficiency, Low Noise, Synchronous Step-Down
5V Standby in Shutdown
Switching Regulator Controller
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977
© LINEAR TECHNOLOGY CORPORATION 1997
3.3V to 2.9V at 3A Low Noise Linear Regulator
TYPICAL APPLICATION
LTC1439
AUXDR
AUXFB
AUXON
1438 TA05
6.8nF
22pF
47k
27
Ω
100
Ω
316k
1%
221k
1%
Q1
MMBT2907ALTI
10
Ω
+
330
µF
× 2
ZETEX
FZT849
(SURFACE MOUNT)
3.3V
5V
2.9V
3A
2.9V
ON/OFF
RELATED PARTS
14389fa LT/GP 0197 REV A 5K • PRINTED IN USA



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