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参数资料
| 型号： | LTC1772BES6#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM SOT23-6 |
| 标准包装： | 1 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 650kHz |
| 占空比： | 100% |
| 电源电压： | 2.5 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： | SOT-23-6 细型，TSOT-23-6 |
| 包装： | 剪切带 (CT) |
| 其它名称： | LTC1772BES6 LTC1772BES6#TRMCT LTC1772BES6-ND |
LTC1772B
TYPICAL APPLICATION
LTC1772B 3.3V to 5V/1A Boost Regulator
R1
V IN
3.3V
C1
0.033Ω
47μF
16V
L1
4.7μH
R4
10k
C3
220pF
1
2
3
× 2
I TH /RUN PGATE
LTC1772B
GND V IN
V FB SENSE –
6
5
4
U1
2
5
3
4
M1
D1
+
C2
100μF
10V
× 2
R2
V OUT
5V
1A
422k
C1: AVXTPSE476M016R0047
C2: AVXTPSE107M010R0100
D1: IR10BQ015
L1: MURATA LQN6C-4R7
M1: Si9804
R1: DALE 0.25W
U1: FAIRCHILD NC7SZ04
ALSO SEE LTC1872
FOR THIS APPLICATION
R3
80.6k
1772 TA03
RELATED PARTS
PART NUMBER
LT1375/LT1376
LTC1622
LTC1624
LTC1625
LTC1627
LTC1649
LTC1702
LTC1735
LTC1771
LTC1772
LTC1773
LTC1872
DESCRIPTION
1.5A, 500kHz Step-Down Switching Regulators
Low Input Voltage Current Mode Step-Down DC/DC Controller
High Ef?ciency SO-8 N-Channel Switching Regulator Controller
No R SENSETM Synchronous Step-Down Regulator
Low Voltage, Monolithic Synchronous Step-Down Regulator
3.3V Input Synchronous Step-Down Controller
550kHz, 2 Phase, Dual Synchronous Controller
Single, High Ef?ciency, Low Noise Synchronous Switching
Controller
Ultra-Low Supply Current Step-Down DC/DC Controller
Constant Frequency Current Mode Step-Down
DC/DC Controller in SOT-23
95% Ef?cient Synchronous Step-Down Controller
SOT-23 Step-Up Controller
COMMENTS
High Frequency, Small Inductor, High Ef?ciency
V IN 2V to 10V, I OUT Up to 4.5A, Synchronizable to
750kHz Optional Burst Mode Operation, 8-Lead MSOP
N-Channel Drive, 3.5V ≤ V IN ≤ 36V
97% Ef?ciency, No Sense Resistor
Low Supply Voltage Range: 2.65V to 8V, I OUT = 0.5A
No Need for 5V Supply, Uses Standard Logic Gate
MOSFETs; I OUT up to 15A
Two Channels; Minimum C IN and C OUT , I OUT up to 15A
High Ef?ciency 5V to 3.3V Conversion at up to 15A
10μA Supply Current, 93% Ef?ciency, 1.23V ≤ V OUT ≤ 18V;
2.8V ≤ V IN ≤ 20V
With Burst Mode Operation for Higher Ef?ciency at Light Load
Current
2.65V ≤ V IN ≤ 8.5V; 0.8V ≤ V OUT ≤ V IN ; Current Mode; 550kHz
2.5V ≤ V IN ≤ 9.8V; 550kHz; 90% Ef?ciency
No R SENSE is a trademark of Linear Technology Corporation.
1772bfa
16 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 0508 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1999
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1772BIS6#PBF | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.5V to 9.8V Input 6-Pin TSOT-23 |
| LTC1772BIS6#TRMPBF | 功能描述:IC REG CTRLR BUCK PWM TSOT23-6 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) |
| LTC1772BIS6#TRPBF | 功能描述:IC REG CTRLR BUCK PWM TSOT23-6 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) |
| LTC1772CS6 | 制造商:Linear Technology 功能描述:Swithed-Mode Power Supply Controller, Current Mode Type, 3 Pin, Plastic, TO-236 |
| LTC1772CS6#PBF | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Step Down 2.5V to 9.8V Input 6-Pin TSOT-23 制造商:Linear Technology 功能描述:BUCK 2.8 - 20V 5A 1.23-18V 6SOT23 制造商:Linear Technology 功能描述:BUCK, 2.8 - 20V, 5A, 1.23-18V, 6SOT23 |
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