參數(shù)資料
型號(hào): LTC3708
廠商: Linear Technology Corporation
英文描述: No RSENSE Low EMI, Synchronous DC/DC Controller with Output Tracking
中文描述: 無檢測(cè)電阻低EMI,同步DC / DC控制器的輸出跟蹤
文件頁(yè)數(shù): 28/28頁(yè)
文件大小: 372K
代理商: LTC3708
28
LTC3808
3808f
LINEAR TECHNOLOGY CORPORATION 2005
LT/TP 0305 500 PRINTED IN THE USA
PART NUMBER
LTC1628/LTC3728
DESCRIPTION
Dual High Efficiency, 2-Phase Synchronous
Step Down Controllers
High Efficiency Synchronous Step-Down Controller
COMMENTS
Constant Frequency, Standby, 5V and 3.3V LDOs, V
IN
to 36V,
28-Lead SSOP
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V
V
IN
36V
2.5V
V
IN
9.8V, I
OUT
Up to 4A, SOT-23 Package, 550kHz
LTC1735
LTC1772
Constant Frequency Current Mode Step-Down
DC/DC Controller
Synchronous Step-Down Controller
No R
SENSE
, Synchronous Step-Down Controller
LTC1773
LTC1778
2.65V
V
IN
8.5V, I
OUT
Up to 4A, 10-Lead MSOP
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V
V
IN
36V
2.5V
V
IN
9.8V, SOT-23 Package, 550kHz
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT
= 0.8V, I
Q
= 60mA,
I
SD
= <1mA, MS Package
95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT
= 0.8V, I
Q
= 60mA,
I
SD
= <1mA, TSSOP-16E Package
Tracking Input to Provide Easy Supply Sequencing,
2.25V
V
IN
5.5V, 20-Lead TSSOP Package
2.5V
V
IN
9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
Constant On-Time Dual Controller, V
IN
Up to 36V, Very Low
Duty Cycle Operation, 5mm
×
5mm QFN Package
2.75V
V
IN
9.8V, 0.6V
V
OUT
V
IN
, 4mm
×
4mm QFN
LTC1872
LTC3411
Constant Frequency Current Mode Step-Up Controller
1.25A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter
LTC3412
2.5A (I
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter
LTC3416
4A, 4MHz, Monolithic Synchronous Step-Down Regulator
LTC3701
LTC3708
2-Phase, Low Input Voltage Dual Step-Down DC/DC Controller
2-Phase, No R
SENSE
, Dual Synchronous Controller with
Output Tracking
2-Phase, No R
SENSE
, Dual Synchronous Controller with
Output Tracking
Low EMI 2-Phase, Dual Synchronous Controller with
Output Tracking
2-Phase, No R
SENSE
, Dual DC/DC Controller with Output Tracking
LTC3736
LTC3736-1
Integrated Spread Spectrum for 20dB Lower EMI,
2.75V
V
IN
9.8V
2.75V
V
IN
9.8V, 0.6V
V
OUT
V
IN
, 4mm
×
4mm QFN
LTC3737
PolyPhase is a trademark of Linear Technology Corporation.
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
TYPICAL APPLICATIO S
550kHz, Pulse-Skipping Mode, Synchronous DC/DC Converter with Ceramic Output Capacitor
C
VIN
1
μ
F
R
VIN
10
12
C
IN
22
μ
F
V
3.3V
V
2.5V
2A
MP
Si3447BDV
MN
Si3460DV
3808 TA04
1
8
4
3
6
2
5
11
13
10
14
9
7
15
L
1.5
μ
H
R
22k
187k
59k
L: VISHAY IHLP-2525CZ-01
C
470pF
C
OUT
22
μ
F
2x
PLLLPF
V
IN
SENSE
+
IPRG
PGOOD
TRACK/SS
I
TH
SYNC/MODE
V
FB
SENSE
TG
SW
BG
RUN
GND
LTC3808EDE
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