參數資料
型號： LTC1709-9
廠商： Linear Technology Corporation
英文描述： CHOKE COIL 33UH 260MA SMD
中文描述： 2相，5位VID，電流模式，高效率同步降壓型開關穩(wěn)壓器
文件頁數： 28/28頁
文件大?。?/td> 319K
代理商： LTC1709-9
28
LTC1709-7
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
LINEAR TECHNOLOGY CORPORATION 2000
17097f LT/TP 0600 4K PRINTED IN USA
TYPICAL APPLICATIO
U
RELATED PARTS
PART NUMBER
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LTC1438-ADJ
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LTC1539
LTC1436A-PLL
LTC1628/LTC1628-PG Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
LTC1629/LTC1629-PG PolyPhase High Efficiency Controller
LTC1929/LTC1929-PG 2-Phase High Efficiency Controller
LTC1702/LTC1703
Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
LTC1708-PG
Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
with 5-Bit VID and Power Good Indication
LTC1709-8/LTC1709-9 2-Phase High Efficiency Controller with 5-Bit VID and Power Good
LTC1735
High Efficiency Synchronous Step-Down Controller
DESCRIPTION
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulators POR, Auxiliary Regulator
Dual Synchronous Controller with Auxiliary Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
High Efficiency Low Noise Synchronous Step-Down Switching Regulator
COMMENTS
POR, External Feedback Divider
Auxiliary Regulator, 5V Standby
5V Standby, POR, Low-Battery, Aux Regulator
Adaptive Power
TM
Mode, 24-Pin SSOP
Constant Frequency, Standby, 5V and 3.3V LDOs
Expandable Up to 12 Phases, G-28, Up to 120A
Adjustable Output Up to 40A, G-28
500kHz, 25MHz GBW
1.3V
≤
V
OUT
≤
3.5V, Current Mode Ensures
Accurate Current Sharing, 3.5V
≤
V
IN
≤
36V
VID Tables VRM 8.4 and VRM9.0
Burst Mode Operation, 16-Pin Narrow SSOP,
Fault Protection, 3.5V
≤
V
IN
≤
36V
Output Fault Protection, Power Good, GN-24,
3.5V
≤
V
IN
≤
36V, 0.925V
≤
V
OUT
≤
2V
LTC1736
High Efficiency Synchronous Step-Down Controller with 5-Bit VID
Adaptive Power is a trademark of Linear Technology Corporation.
Figure 12. 5V to 20V Input, 0.9V to 2V/20A Power Supply with Active Voltage Positioning
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
RUN/SS
SENSE1
+
SENSE1
–
EAIN
PLLFLTR
PLLIN
FCB
I
TH
SGND
V
DIFFOUT
V
OS
–
V
OS
+
SENSE2
–
SENSE2
+
ATTENOUT
ATTENIN
VID0
VID1
NC
TG1
SW1
BOOST1
V
IN
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
PGOOD
V
BIAS
VID4
VID3
VID2
1000pF
0.22
μ
F
LTC1709-7
M1
M2
D1
MBRS140T3
D2
MBRS140T3
V
5V TO 28V
V
0.9V TO 2V
20A
SWITCHING FREQUENCY = 200kHz
C
IN
: 5A RIPPLE CURRENT RATING REQUIRED
C
: 4
×
180
μ
F/4V PANASONIC SP
L1 TO L2: 1.5
μ
H SUMIDA CEP125-1R5MC
M1 TO M4: FAIRCHILD FDS7760A
10
μ
F
0.1
μ
F
5V (OPT)
470pF
VID INPUTS
1000pF
100pF
INTV
CC
3.3nF
INTV
CC
0.1
μ
F
47k
15k
10k
2.7k
51k
0.22
μ
F
0.1
μ
F
PGOOD
10
100k
10
C
47
μ
F 35V
0.004
0.004
M3
L2
M4
17097 F12
C
OUT
+
+
L1
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相關代理商/技術參數
參數描述
LTC1709EG 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數:1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC1709EG#PBF 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數:1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR)
LTC1709EG#TR 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數:1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
LTC1709EG#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 36-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數:1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR)
LTC1709EG7 制造商:Linear Technology 功能描述:
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