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參數(shù)資料
| 型號： | LT1076IT |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Synchronous 4-Bit Binary Counters 16-SOIC 0 to 70 |
| 中文描述： | 3.2 A SWITCHING REGULATOR, 125 kHz SWITCHING FREQ-MAX, PZFM7 |
| 封裝： | PLASTIC, TO-220, 7 PIN |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 170K |
| 代理商： | LT1076IT |
1
LT1076-5
S
FEATURE
U
A
O
PPLICATI
TYPICAL
Basic Positive Buck Converter
5V Step-Down
Switching Regulator
D
The LT1076-5 is a 2A fixed 5V output monolithic bipolar
switching regulator which requires only a few external
parts for normal operation. The power switch, all oscillator
and control circuitry, all current limit components, and an
output monitor are included on the chip. The topology is
a classic positive “buck” configuration but several design
innovations allow this device to be used as a positive-to-
negative converter, a negative boost converter, and as a
flyback converter. The switch output is specified to swing
40V below ground, allowing the LT1076-5 to drive a
tapped inductor in the buck mode with output currents up
to 4A.
The LT1076-5 uses a true analog multiplier in the feedback
loop. This makes the device respond nearly instanta-
neously to input voltage fluctuations and makes loop gain
independent of input voltage. As a result, dynamic behav-
ior of the regulator is significantly improved over previous
designs.
On-chip pulse by pulse current limiting makes the LT1076-
5 nearly bust-proof for output overloads or shorts. The
input voltage range as a buck converter is 8V to 60V, but
a self-boot feature allows input voltages as low as 5V in the
inverting and boost configurations.
The LT1076-5 is available in a low cost 5-lead TO-220
package with frequency pre-set at 100kHz and current
limit at 2.6A. See Application Note 44 for design details.
U
ESCRIPTIO
I
Fixed 5V Output
I
2A On-Board Switch
I
100kHz Switching Frequency
I
2% Output Voltage Tolerance Over Temperature
I
Greatly Improved Dynamic Behavior
I
Available in Low Cost 5-Lead Package
I
Only 9.5mA Quiescent Current
I
Operates Up to 60V Input
I
5V Output Buck Converter
I
Tapped Inductor Buck Converter with 4A Output
at 5V
I
Positive-to-Negative Converter
U
S
A
O
PPLICATI
LT1076-5
V
SW
SENSE
V
C
GND
R3
1.5k
C2
0.033
μ
F
C3
200
μ
F
+
100
μ
H**
MBR340*
MBR330P MAY BE USED
FOR V
IN
≤
25V
COILTRONICS #100-1-52
HURRICANE #HL-AG210LL
VALUE MAY BE REDUCED TO 50
μ
H
FOR OUTPUT LOADS BELOW 1.5A
8V TO 40V
+
C1
500
μ
F
25V
LT1076-5 TA01
V
IN
5V
≤
1.8A
*
**
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1076MK | Synchronous 4-Bit Binary Counters 16-SOIC 0 to 70 |
| LT1076HVIR | GT 19C 19#12 SKT PLUG |
| LT1076-5 | Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT08; Number of Contacts:12; Connector Shell Size:14; Connecting Termination:Solder; Circular Shell Style:Right Angle Plug |
| LT1076HV-5 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1076HVC-5 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1076IT#06 | 制造商:Linear Technology 功能描述:Step-Down Switching Regulator |
| LT1076IT#06PBF | 功能描述:IC REG MULTI CONFIG ADJ 2A TO220 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:MIC23xxx HyperLight Load™ Regulators 標準包裝:5,000 系列:HyperLight Load® 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.8V 輸入電壓:2.7 V ~ 5.5 V PWM 型:混合物 頻率 - 開關(guān):4MHz 電流 - 輸出:2A 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤，8-MLF? 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-MLF?（2x2） 產(chǎn)品目錄頁面:1094 (CN2011-ZH PDF) 其它名稱:576-3303-2 |
| LT1076IT#06PBF | 制造商:Linear Technology 功能描述:IC DC-DC CONV BUCK 100KHZ 制造商:Linear Technology 功能描述:IC, DC-DC CONV, BUCK, 100KHZ, 2.6A, TO-2 |
| LT1076IT#PBF | 功能描述:IC REG MULTI CONFIG ADJ 2A TO220 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 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:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT1076IT#PBF | 制造商:Linear Technology 功能描述:IC DC-DC CONV BUCK 100KHZ 制造商:Linear Technology 功能描述:IC, DC-DC CONV, BUCK, 100KHZ, 2.6A, TO-2 |
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