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参数资料
| 型号： | LT1937ES5#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.32 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | PLASTIC, TSOT-23, 5 PIN |
| 文件页数： | 4/12页 |
| 文件大小： | 355K |
| 代理商： | LT1937ES5#PBF |
12
LT1937
1937f
PART NUMBER
DESCRIPTION
COMMENTS
LT1615
Micropower Step-Up Converter in ThinSOT
Up to 36V Output; 20
A IQ, VIN: 1V to 15V,
Can Drive Up to Six LEDs, ThinSOT Package
LT1618
Constant Current/Voltage Step-Up DC/DC
1.4MHz, Drives Up to 20 LEDs, MS10 Package
LT1932
White LED Step-Up Converter in ThinSOT
1.2MHz, VIN = 1V to 10V, Drives Up to Eight LEDs from 3V Input,
ThinSOT Package
LT1944/LT1944-1
Dual Micropower Step-Up Converter
VIN = 1.2V to 15V, Two Independent DC/DCs, Up to 36VOUT, 20A IQ,
MS10 Package
LTC
3200/LTC3200-5 Low Noise White LED Charge Pump Converter
2MHz, 100mA, No Inductor Required, MS8/ThinSOT Packages
For up to 6 LEDs
LTC3201
Ultralow Noise White LED Charge Pump Converter
1.8MHz, 100mA, No Inductor Required, DAC Brightness Adj,
For up to 6 LEDs
MS8 Package
LTC3202
Low Noise White LED Fractional Charge Pump Converter
1.5MHz, 125mA, No Inductor Required, Digital Brightness Adjust,
For up to 6 LEDs
MS8 Package
LT/TP 0702 2K PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2002
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
Li-Ion to Four White LEDs
Four LED Efficiency
VIN
SW
LT1937
L
22
H
COUT
0.22
F
CIN
1
F
CIN: TAIYO YUDEN JMK107BJ105
COUT: AVX 0603YD224
D: CENTRAL CMDSH-3
L: MURATA LQH3C220
1937 TA02a
VIN
3V TO 5V
SHDN
R1
4
5k
90k
FB
D
VDC
DIMMING
GND
LOAD CURRENT (mA)
0
60
EFFICIENCY
(%)
70
75
80
85
510
1937 TA02b
15
20
VIN = 3V
VIN = 3.6V
U
TYPICAL APPLICATIO
RELATED PARTS
0.2
s/DIV
1937 TA02c
VSW
10V/DIV
ISW
100mA/DIV
VOUT
100mV/DIV
VIN = 3.6V
FOUR LEDs
15mA
Switching Waveforms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1937ESC6 | 制造商:LINER 制造商全称:Linear Technology 功能描述:White LED Step-Up Converter in SC70 and ThinSOT |
| LT1937ESC6#PBF | 制造商:Linear Technology 功能描述:LED DRVR 6Segment 3.3V/5V/9V 6-Pin SC-70 制造商:Linear Technology 功能描述:SP-SWREG/LED Driver, CUT TAPE White LED Step-up Converter |
| LT1937ESC6#TR | 功能描述:IC LED DRVR WHITE BCKLGT SC-70-6 RoHS:否 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LT1937ESC6#TRM | 功能描述:IC LED DRVR WHITE BCKLGT SC-70-6 RoHS:否 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| LT1937ESC6#TRMPBF | 功能描述:IC LED DRVR WHITE BCKLGT SC-70-6 RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
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