參數(shù)資料
型號(hào): LTC3424EMS
廠商: Linear Integrated Systems
英文描述: Low Output Voltage 3MHz Micropower Synchronous Boost Converters
中文描述: 低輸出電壓3MHz的微功率同步升壓轉(zhuǎn)換器
文件頁(yè)數(shù): 12/12頁(yè)
文件大?。?/td> 203K
代理商: LTC3424EMS
12
LTC3423/LTC3424
34234f
LT/TP 0302 2K PRINTED IN USA
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PART NUMBER
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LT1610
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LTC3400/LTC3400B
LTC3401
DESCRIPTION
Sync, Fixed Frequency, Step-Up DC/DC Converter
High Current, Micropower, Single Cell 600kHz DC/DC Converter
Micropower 600kHz PWM DC/DC Converter
1.7MHz, Single Cell Micropower DC/DC Converter
1.4MHz, Single Cell DC/DC Converter in ThinSOT
TM
Micropower Step-Up DC/DC Converter in ThinSOT
600kHz, 1A Switch PWM DC/DC Converter
ThinSOT, 600mA, 1.2MHz Boost Converter
Single Cell, High Current (1A) Micropower, Synchronous
3MHz Step-Up DC/DC Converter
Single Cell, High Current (2A) Micropower, Synchronous
3MHz Step-Up DC/DC Converter
ThinSOT is a trademark of Linear Technology Corporation.
COMMENTS
Internal 2A Switches, V
IN
As Low As 1.8V
5V at 1A from Single Li-Ion Cell
V
IN
As Low As 1.5V, I
Q
= 100
μ
A
3V at 30mA from 1V, 5V at 200mA from 3.3V
V
IN
As Low As 1.1V, 3V at 30mA from Single Cell
I
Q
= 20
μ
A, 1
μ
A Shutdown Current, V
IN
As Low As 1V
1.1A, 0.5
/30V Internal Switch, V
IN
As Low As 1.8V
92% Efficiency, 0.85V
V
IN
, 2.6V
V
OUT
5V
V
IN
= 0.5V to 5.5V, Up to 97% Efficiency Synchronizable
Oscillator from 100kHz to 3MHz
V
IN
= 0.5V to 5.5V, Up to 97% Efficiency Synchronizable
Oscillator from 100kHz to 3MHz
LTC3402
LINEAR TECHNOLOGY CORPORATION 2001
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear.com
6
10
3
2
1
LTC3423
D1
V
DD
SHDN
V
IN
MODE/SYNC
R
t
SW
V
OUT
FB
V
C
GND
4
7
8
9
5
C4
470pF
C2
10
μ
F
RC
82k
t
R
OSC
= 1MHz
R1
110k
R2
249k
L1
2.2
μ
H
C3
44
μ
F
(2
×
22
μ
F)
C1: TAIYO YUDEN JMK212BJ225MG
C2: TAIYO YUDEN JMK212BJ106MM
C3: TAIYO YUDEN JMK325BJ226MM
D1: ON SEMICONDUCTOR MBRM120T3
D2 TO D7: ZETEX FMND7000 DUAL DIODE
L1: SUMIDA CD43-2R2M
V
DD
= 2.7V TO 5.5V
V
IN
= 0.9V TO 1.5V
0 = FIXED FREQ
1 = Burst Mode OPERATION
C5
4.7pF
3423/24 TA05
V
1.8V
700mA
1
CELL
V
IN
+
C1
2.2
μ
F
D2
D3
0.1
μ
F
0.1
μ
F
0.1
μ
F
4.7
μ
F
0.1
μ
F
4.7
μ
F
–1.1V
1mA
D6
3.6V
2mA
D4
D5
D7
U
TYPICAL APPLICATIO
Triple Output Converter
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參數(shù)描述
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LTC3425 制造商:LINER 制造商全稱:Linear Technology 功能描述:5A, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter
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