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參數(shù)資料
| 型號： | LT1933 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關穩(wěn)壓器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 629K |
| 代理商： | LT1933 |
1
LT1933
1933f
APPLICATIU
FEATURES
TYPICAL APPLICATIO
U
DESCRIPTIO
The LT
1933 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 (<2
μ
A) shutdown
provides output disconnect, enabling easy power man-
agement in battery-powered systems.
U
600mA, 500kHz Step-Down
Switching Regulator
in SOT-23
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
■
Wide Input Range: 3.6V to 36V
■
5V at 600mA from 16V to 36V Input
■
3.3V at 600mA from 12V to 36V Input
■
5V at 500mA from 6.3V to 36V Input
■
3.3V at 500mA from 4.5V to 36V Input
■
Fixed Frequency 500kHz Operation
■
Uses Tiny Capacitors and Inductors
■
Soft-Start
■
Internally Compensated
■
Low Shutdown Current: <2
μ
A
■
Output Adjustable Down to 1.25V
■
Low Profile (1mm) SOT-23 (ThinSOT) Package
■
Automotive Battery Regulation
■
Industrial Control Supplies
■
Wall Transformer Regulation
■
Distributed Supply Regulation
■
Battery-Powered Equipment
3.3V Step-Down Converter
V
IN
4.5V TO 36V
OFF ON
0.1
μ
F
22
μ
H
1N4148
MBRM140
10k
16.5k
22
μ
F
1933 TA01a
2.2
μ
F
V
3.3V/500mA
V
IN
BOOST
GND
FB
SHDN
SW
LT1933
Efficiency
LOAD CURRENT (mA)
0
90
95
300
400
1933 TA01b
85
80
100
200
600
500
75
70
65
E
V
IN
= 12V
V
OUT
= 5V
V
OUT
= 3.3V
相關PDF資料 |
PDF描述 |
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| LT1934ES6-1 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1934IS6 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1934IS6-1 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1934-1 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1934 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1933_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages |
| LT1933ES6 | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 3.6V to 36V 6-Pin TSOT-23 |
| LT1933ES6#PBF | 制造商:Linear Technology 功能描述:IC STEP-DOWN REGULATOR 6-TSOT-23 |
| LT1933ES6#TR | 功能描述:IC REG BUCK ADJ 0.6A TSOT23-6 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設備封裝:8-SOIC |
| LT1933ES6#TRM | 功能描述:IC REG BUCK ADJ 0.6A TSOT23-6 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關:600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應商設備封裝:8-SOIC |
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