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参数资料
| 型号： | LT1933IDCB#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.05 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229, DFN-6 |
| 文件页数： | 1/20页 |
| 文件大小： | 357K |
| 代理商： | LT1933IDCB#PBF |
LT1933
1
1933fe
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
600mA, 500kHz Step-Down
Switching Regulator in
SOT-23 and DFN Packages
The LT1933 is a current mode PWM step-down DC/DC
converter with an internal 0.75A power switch, packaged
in a tiny 6-lead SOT-23. The wide input range of 3.6V
to 36V makes the LT1933 suitable for regulating power
from a wide variety of sources, including unregulated wall
transformers, 24V industrial supplies and automotive
batteries. Its high operating frequency allows the use of
tiny, low cost inductors and ceramic capacitors, resulting
in low, predictable output ripple.
Cycle-by-cycle current limit provides protection against
shorted outputs, and soft-start eliminates input current
surge during start up. The low current (<2μA) shutdown
provides output disconnect, enabling easy power manage-
ment in battery-powered systems.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
3.3V Step-Down Converter
n Wide Input Range: 3.6V to 36V
n 5V at 600mA from 16V to 36V Input
n 3.3V at 600mA from 12V to 36V Input
n 5V at 500mA from 6.3V to 36V Input
n 3.3V at 500mA from 4.5V to 36V Input
n Fixed Frequency 500kHz Operation
n Uses Tiny Capacitors and Inductors
n Soft-Start
n Internally Compensated
n Low Shutdown Current: <2μA
n Output Adjustable Down to 1.25V
n Low Prole (1mm) SOT-23 (ThinSOT) and
(2mm
× 3mm × 0.75mm) 6-Pin DFN Packages
n Automotive Battery Regulation
n Industrial Control Supplies
n Wall Transformer Regulation
n Distributed Supply Regulation
n Battery-Powered Equipment
Efciency
VIN
4.5V TO 36V
OFF ON
0.1μF
22μH
1N4148
MBRM140
10k
16.5k
22μF
1933 TA01a
2.2μF
VOUT
3.3V/500mA
VIN
BOOST
GND
FB
SHDN
SW
LT1933
LOAD CURRENT (mA)
0
90
95
300
400
1933 TA01b
85
80
100
200
600
500
75
70
65
EFFICIENCY
(%)
VIN = 12V
VOUT = 5V
VOUT = 3.3V
相关PDF资料 |
PDF描述 |
|---|---|
| LT1933IS6#PBF | 1.05 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO6 |
| LT1934IS6#PBF | 0.49 A SWITCHING REGULATOR, PDSO6 |
| LT1934ES6-1#PBF | 0.16 A SWITCHING REGULATOR, PDSO6 |
| LT1934EDCB#TR | 0.49 A SWITCHING REGULATOR, PDSO6 |
| LT1934EDCB-1 | 0.49 A SWITCHING REGULATOR, PDSO6 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1933IDCB-TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages |
| LT1933IDCB-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages |
| LT1933IS6 | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 3.6V to 36V 6-Pin TSOT-23 |
| LT1933IS6#PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 3.6V to 36V 6-Pin TSOT-23 制造商:Linear Technology 功能描述:BUCK 36VIN 0.6A 500KHZ 6SOT23 制造商:Linear Technology 功能描述:IC STEP-DOWN REGULATOR 6-TSOT-23 制造商:Linear Technology 功能描述:BUCK, 36VIN, 0.6A, 500KHZ, 6SOT23 制造商:Linear Technology 功能描述:IC, STEP-DOWN REGULATOR, 6-TSOT-23; Primary Input Voltage:36V; No. of Outputs:1; Output Current:600mA; No. of Pins:6; Operating Temperature Min:-40C; Operating Temperature Max:125C; MSL:MSL 1 - Unlimited; Package / Case:6-TSOT-23 ;RoHS Compliant: Yes |
| LT1933IS6#TR | 功能描述:IC REG BUCK ADJ 0.6A TSOT23-6 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
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