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參數(shù)資料
| 型號： | LT1766EFE-5 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 3 A SWITCHING REGULATOR, 228 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 4.40 MM, PLASTIC, TSSOP-16 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 308K |
| 代理商： | LT1766EFE-5 |
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1
LT1766/LT1766-5
1766fa
BOOST
V
IN
6
2
10
12
10MQ060N
15.4k
V
OUT
5V
1A
4
15
14
11
220pF
0.022
μ
F
*
FOR INPUT VOLTAGES BELOW 7.5V, SOME RESTRICTIONS MAY APPLY
TDK C4532X7R2A225K
1, 8, 9, 16
LT1766
SHDN
SYNC
SW
BIAS
FB
V
C
GND
0.33
μ
F
100
μ
F 10V
SOLID
TANTALUM
47
μ
H
1N4148W
4.99k
1766 TA01
2.2
μ
F
100V
CERAMIC
V
IN
5.5V*
TO 60V
+
2.2k
ON
OFF
5.5V to 60V 1.5A, 200kHz
Step-Down Switching Regulator
DESCRIPTIOU
I
Wide Input Range: 5.5V to 60V
I
1.5A Peak Switch Current
I
Constant 200kHz Switching Frequency
I
Saturating Switch Design: 0.2
I
Peak Switch Current Rating Maintained Over
Full Duty Cycle Range
I
Low Effective Supply Current: 2.5mA
I
Low Shutdown Current: 25
μ
A
I
1.2V Feedback Reference Voltage (LT1766)
I
5V Fixed Output (LT1766-5)
I
Easily Synchronizable
I
Cycle-by-Cycle Current Limiting
I
Small 16-Pin SSOP and Thermally Enhanced
TSSOP Packages
APPLICATIU
The LT
1766/LT1766-5 are 200kHz monolithic buck
switching regulators that accept input voltages up to 60V.
A high efficiency 1.5A, 0.2
switch is included on the die
along with all the necessary oscillator, control and logic cir-
cuitry. A current mode control architecture delivers fast
transient response and excellent loop stability.
Special design techniques and a new high voltage process
achieve high efficiency over a wide input range. Efficiency
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 25
μ
A and the
device can be externally synchronized from 228kHz to
700kHz with logic level inputs.
The LT1766/LT1766-5 are available in a 16-pin fused-lead
SSOP package or a TSSOP package with exposed backside
for improved thermal performance.
, LTC and LT are registered trademarks of Linear Technology Corporation.
*Patent # 6, 498, 466
I
High Voltage, Industrial and Automotive
I
Portable Computers
I
Battery-Powered Systems
I
Battery Chargers
I
Distributed Power Systems
5V Buck Converter
Efficiency vs Load Current
LOAD CURRENT (A)
0
E
80
90
100
1.00
1766 TA02
70
60
50
0.25
0.50
0.75
1.25
V
IN
= 12V
V
IN
= 42V
V
= 5V
L = 47
μ
H
FEATURES
TYPICAL APPLICATIO
U
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| LT1766EGN | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1766EGN-5 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1766IFE | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1766IFE-5 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1766IGN | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1766EFE-5#PBF | 功能描述:IC REG BUCK 5V 1.5A 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LT1766EFE-5#TR | 功能描述:IC REG BUCK 5V 1.5A 16TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LT1766EFE-5#TRPBF | 功能描述:IC REG BUCK 5V 1.5A 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 設計資源:Design Support Tool 標準包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 包裝:剪切帶 (CT) 供應商設備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LT1766EFE-5PBF | 制造商:Linear Technology 功能描述:Sw. Regulator Step-Dn 1.5A 200kHz TSSOP |
| LT1766EFE-5-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:5.5V to 60V 1.5A, 200kHz Step-Down Switching Regulator |
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