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参数资料
| 型号： | LTC3772EDDB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 20/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 8-DFN |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 650kHz |
| 占空比： | 100% |
| 电源电压： | 2.75 V ~ 9.8 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
LTC3772
TYPICAL APPLICATIO
680pF
20k
I TH /RUN
V IN
V IN
3V TO 8V
LTC3772
10 μ F
GND
PGATE
FDC638P
82.5k
I PRG
V FB
SW
L1 3.3 μ H
B220A
47 μ F
V OUT
2.5V
2A
22pF
174k
3772 F05
L1: TOKO D53LCA915AT-3R3M
Figure 5. 550kHz Micropower Step-Down DC/DC Converter
RELATED PARTS
No R SENSE Synchronous Step-Down Regulator
PART NUMBER
LTC1624
LTC1625
LT ? 1765
LTC1771
LTC1772/LTC1772B
LTC1778/LTC1778-1
LTC1872/LTC1872B
LTC3411/LTC3412
LTC3440
LTC3736
LTC3736-1
LTC3737
LTC3776
LTC3808
DESCRIPTION
High Efficiency SO-8 N-Channel Switching Regulator Controller
TM
25V, 2.75A (I OUT ), 1.25MHz Step-Down Converter
Ultra-Low Supply Current Step-Down DC/DC Controller
550kHz ThinSOT Step-Down DC/DC Controllers
No R SENSE Current Mode Synchronous Step-Down Controllers
550kHz ThinSOT Step-Up DC/DC Controllers
1.25/2.5A Monolithic Synchronous Step-Down Converter
600mA (I OUT ), 2MHz Synchronous Buck-Boost DC/DC Converter
Dual, 2-Phase, No R SENSE Synchronous Controller
with Output Tracking
Dual, 2-Phase, No R SENSE Synchronous Controller
with Spread Spectrum
Dual, 2-Phase, No R SENSE Controller with Output Tracking
Dual, 2-Phase, No R SENSE Synchronous Controller for
DDR/QDR Memory Termination
No R SENSE , Low EMI, Synchronous Step-Down Controller with
Output Tracking
COMMENTS
N-Channel Drive, 3.5V ≤ V IN ≤ 36V
97% Efficiency, No Sense Resistor
3V ≤ V IN ≤ 25V, V OUT ≥ 1.2V, SO-8 and TSSOP16 Packages
10 μ A Supply Current, 93% Efficiency,
1.23V ≤ V OUT ≤ 18V; 2.8V ≤ V IN ≤ 20V
2.5V ≤ V IN ≤ 9.8V, V OUT ≥ 0.8V, I OUT ≤ 6A
4V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ (0.9)(V IN ), I OUT Up to 20A
2.5V ≤ V IN ≤ 9.8V; 90% Efficiency
95% Efficiency, 2.5V ≤ V IN ≤ 5.5V, V OUT ≥ 0.8V,
TSSOP16 Exposed Pad Package
2.5V ≤ V IN ≤ 5.5V, Single Inductor
V IN : 2.75V to 9.8V, I OUT Up to 5A, 4mm × 4mm QFN
Package
V IN : 2.75V to 9.8V, Spread Spectrum Operation, Output
Voltage Tracking, 4mm × 4mm QFN Package
V IN : 2.75V to 9.8V, I OUT Up to 5A, 4mm × 4mm QFN
Package
Provides V DDQ and V TT with one IC, 2.75V ≤ V IN ≤ 9.8V,
Adjustable Constant Frequency with PLL Up to 850kHz,
Spread Spectrum Operation, 4mm × 4mm QFN and
16-Lead SSOP Packages
2.75V ≤ V IN ≤ 9.8V, Spread Spectrum Operation,
3mm × 4mm DFN and 16-Lead SSOP Packages
3772f
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
20
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT/TP 0305 500 ? PRINTED IN THE USA
? LINEAR TECHNOLOGY CORPORATION 2005
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3772ETS8 | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 |
| LTC3772ETS8#PBF | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 |
| LTC3772ETS8#TR | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 T/R |
| LTC3772ETS8#TRM | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.75V to 9.8V Input 8-Pin TSOT-23 T/R |
| LTC3772ETS8#TRMPBF | 功能描述:IC REG CTRLR BUCK PWM TSOT23-8 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
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