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參數(shù)資料
| 型號(hào)： | LT1170IT |
| 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： | 11 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | PLASTIC, TO-220, 5 PIN |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 266K |
| 代理商： | LT1170IT |
11
LT1170/LT1171/LT1172
Negative-to-Positive Buck-Boost Converter
Driving High Voltage FET
(for Off-Line Applications, See AN25)
(Note that maximum output currents are divided by 2 for LT1171, by 4 for LT1172.)
Negative Buck Converter
External Current Limit
External Current Limit
1170/1/2 TA05
V
IN
V
SW
LT1170
GND
10V TO
20V
D1
+
D
Q1
G
1170/1/2 TA06
V
X
D1
LT1170
GND
R2
≈
2V
V
C
R1
500
C4*
100
μ
F
V
OUT
12V
2A
1170/1/2 TA07
R3
2.2k
C1
0.22
μ
F
C2
1000
μ
F
D1
Q1
V
IN
V
C
FB
V
SW
LT1170
GND
OPTIONAL
INPUT FILTER
L3
V
IN
–20V
REQUIRED IF INPUT LEADS
≥
2"
PULSE ENGINEERING 92114, COILTRONICS 50-2-52
THIS CIRCUIT IS OFTEN USED TO CONVERT –48V TO 5V. TO GUARANTEE
FULL SHORT-CIRCUIT PROTECTION, THE CURRENT LIMIT CIRCUIT SHOWN
IN AN19, FIGURE 39, SHOULD BE ADDED WITH C1 REDUCED TO 200pF.
*
**
R2
1.24k
L1**
50
μ
H
OPTIONAL
OUTPUT
FILTER
C3
L2
R1
11.3k
+
+
1170/1/2 TA08
R2
C2
V
IN
V
C
FB
V
SW
LT1170
GND
V
IN
NOTE THAT THE LT1170
GND PIN IS NO LONGER
COMMON TO V
IN–
.
R1
1k
+
–
C1
1000pF
Q1
R
S
C3*
100
μ
F
–5.2V
4.5A
1170/1/2 TA09
R3
L1**
50
μ
H
R1
4.64k
C2
1000
μ
F
D1
C1
Q1
2N3906
V
IN
V
C
FB
V
SW
LT1170
GND
OPTIONAL
INPUT FILTER
L3
V
IN
–20V
LOAD
REQUIRED IF INPUT LEADS
≥
2"
PULSE ENGINEERING 92114
COILTRONICS 50-2-52
*
**
R2
1.24k
R4
12k
L2
4
μ
H
OPTIONAL
OUTPUT
FILTER
C4
200
μ
F
+
+
+
TYPICAL APPLICATIO S
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1170MK | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1170 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1170HV | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1170I | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1170M | 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 |
|---|---|
| LT1170IT#06 | 制造商:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulator |
| LT1170IT#PBF | 功能描述:IC REG MULTI CONFIG ADJ TO220-5 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:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)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(guān):- 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(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LT1170M | 制造商:LINER 制造商全稱:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1170MK | 制造商:LINER 制造商全稱:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1170MK/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
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