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参数资料
| 型号： | LT3430IFE-1 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 6.5 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | 4.40 MM, PLASTIC, TSSOP-16 |
| 文件页数： | 1/28页 |
| 文件大小： | 321K |
| 代理商： | LT3430IFE-1 |
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LT3430/LT3430-1
1
34301fa
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
High Voltage, 3A,
200kHz/100kHz Step-Down
Switching Regulators
The LT3430/LT3430-1 are monolithic buck switching
regulators that accept input voltages up to 60V. A high ef-
ciency 3A, 0.1Ω switch is included on the die along with
all the necessary oscillator, control and logic circuitry. A
current mode architecture provides fast transient response
and excellent loop stability.
Special design techniques and a new high voltage process
achieve high efciency over a wide input range. Efciency
is maintained over a wide output current range by using
the output to bias the circuitry and by utilizing a supply
boost capacitor to saturate the power switch. Patented
circuitry* maintains peak switch current over the full duty
cycle range. A shutdown pin reduces supply current to
30A and a SYNC pin can be externally synchronized with
a logic level input from 228kHz to 700kHz for the LT3430
or from 125kHz to 250kHz for the LT3430-1.
The LT3430/LT3430-1 are available in a thermally enhanced
16-pin TSSOP package.
5V, 2A Buck Converter
■
Wide Input Range: 5.5V to 60V
■
3A Peak Switch Current over All Duty Cycles
■
Constant Switching Frequency:
200kHz (LT3430)
100kHz (LT3430-1)
■
0.1Ω Switch Resistance
■
Current Mode
■
Effective Supply Current: 2.5mA
■
Shutdown Current: 30A
■
1.2V Feedback Reference Voltage
■
Easily Synchronizable
■
Cycle-by-Cycle Current Limiting
■
Small, 16-Pin Thermally Enhanced TSSOP Package
■
Industrial and Automotive Power Supplies
■
Portable Computers
■
Battery Chargers
■
Distributed Power Systems
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
*US Patent # 6498466
Efciency vs Load Current
BOOST
VIN
30BQ060
15.4k
VOUT
5V
2A
220pF
0.022
F
*FOR INPUT VOLTAGES BELOW 7.5V, SOME RESTRICTIONS MAY APPLY
** SEE LT3430-1 CIRCUIT IN APPLICATIONS INFORMATION SECTION
LT3430**
SHDN
SYNC
SW
BIAS
FB
VC
GND
0.68
F
100
F 10V
SOLID
TANTALUM
22
H
MMSD914TI
4.99k
3430 TA01
4.7
F
100V
ON
OFF
VIN
5.5V*
TO 60V
+
3.3k
LOAD CURRENT (A)
0
EFFICIENCY
(%)
80
90
100
2.0
3430 TA02
70
60
50
0.5
1.0
1.5
2.5
VIN = 12V
VIN = 42V
VOUT = 5V
LT3430-1 L = 68
H
LT3430 L =27
H
相关PDF资料 |
PDF描述 |
|---|---|
| LT3430EFE-1 | 6.5 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3467AIDDB#PBF | 2.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT3467AIDDB | 2.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT3467IS6#TRM | 2.5 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO6 |
| LT3467IS6#TR | 2.5 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO6 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3430IFE-1#PBF | 功能描述:IC REG BUCK ADJ 3A 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:MIC23xxx HyperLight Load™ Regulators 标准包装:5,000 系列:HyperLight Load® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.8V 输入电压:2.7 V ~ 5.5 V PWM 型:混合物 频率 - 开关:4MHz 电流 - 输出:2A 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘，8-MLF? 包装:带卷 (TR) 供应商设备封装:8-MLF?（2x2） 产品目录页面:1094 (CN2011-ZH PDF) 其它名称:576-3303-2 |
| LT3430IFE-1#TRPBF | 功能描述:IC REG BUCK ADJ 3A 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
| LT3430IFEPBF | 制造商:Linear Technology 功能描述:Sw. Regulator 3A 200kHz 60V TSSOP16EP |
| LT3431 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Voltage, 3A,500kHz Step-Down Switching Regulator |
| LT3431EFE | 功能描述:IC REG BUCK ADJ 3A 16TSSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 设计资源:Design Support Tool 标准包装:1 系列:- 类型:升压（升压） 输出类型:固定 输出数:1 输出电压:3V 输入电压:0.75 V ~ 2 V PWM 型:- 频率 - 开关:- 电流 - 输出:100mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-5 细型，TSOT-23-5 包装:剪切带 (CT) 供应商设备封装:TSOT-23-5 其它名称:AS1323-BTTT-30CT |
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