參數(shù)資料
型號: LT1076HVCT#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 3.2 A SWITCHING REGULATOR, 125 kHz SWITCHING FREQ-MAX, PZFM7
封裝: PLASTIC, TO-220, 7 PIN
文件頁數(shù): 5/22頁
文件大?。?/td> 318K
代理商: LT1076HVCT#TRPBF
LT1074/LT1076
13
sn1074 1074fds
Tapped-Inductor Buck Converter
Positive-to-Negative Converter with 5V Output
TYPICAL APPLICATIO S
U
+
VSW
VIN
VC
GND
FB
LT1074HV
R1
2.8k
R2
2.21k
D2
35V
5W
C3
200
F
50V
R3
1k
C2
0.2
F
L1*
LT1074 TA02
D1**
D3
1N5819
31
C1
4400
F
(2 EA
2200
F,
16V)
L2
5
H
C4
390
F
16V
0.01
F
+
PULSE ENGINEERING #PE
±65282
*
**
MOTOROLA MBR2030CTL
IF INPUT VOLTAGE IS BELOW 20V,
MAXIMUM OUTPUT CURRENT WILL BE REDUCED. SEE AN44
VIN
20V
TO 35V
VOUT
5V, 10A
R3*
2.74k
VIN
VSW
V
GND
R4
1.82k*
C2
1000
F
10V
L1
25
H
5A
+
D1
MBR745
R1**
5.1k
VC
C3
0.1
F
C4**
0.01
F
+
R2**
10k
C1
220
F
50V
* = 1% FILM RESISTORS
D1 = MOTOROLA-MBR745
C1 = NICHICON-UPL1C221MRH6
C2 = NICHICON-UPL1A102MRH6
L1 = COILTRONICS-CTX25-5-52
V
4.5V to
40V
IN
–5V,1A***
+
200
F
10V
OPTIONAL FILTER
5
H
LOWER REVERSE VOLTAGE RATING MAY BE USED FOR LOWER INPUT VOLTAGES.
LOWER CURRENT RATING IS ALLOWED FOR LOWER OUTPUT CURRENT. SEE AN44.
R1, R2, AND C4 ARE USED FOR LOOP FREQUENCY COMPENSATION WITH LOW INPUT VOLTAGE,
BUT R1 AND R2 MUST BE INCLUDED IN THE CALCULATION FOR OUTPUT VOLTAGE DIVIDER VALUES.
LOWER CURRENT RATING MAY BE USED FOR LOWER OUTPUT CURRENT. SEE AN44.
R3 =
–2.37 (K )
R1 = (R3) (1.86)
R2 = (R3) (3.65)
VOUT
MAXIMUM OUTPUT CURRENT OF 1A IS DETERMINED BY MINIMUM INPUT
VOLTAGE OF 4.5V. HIGHER MINIMUM INPUT VOLTAGE WILL ALLOW MUCH HIGHER
OUTPUT CURRENTS. SEE AN44.
LT1074 TA03
LT1074
FB
FOR HIGHER OUTPUT VOLTAGES, INCREASE R1, R2, AND R3 PROPORTIONATELY.
FOR INPUT VOLTAGE > 10V, R1, R2, AND C4 CAN BE ELIMINATED, AND COMPENSATION IS
DONE TOTALLY ON THE V PIN.
C
**
相關(guān)PDF資料
PDF描述
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LT1076HVCT-5#TR 3.2 A SWITCHING REGULATOR, 120 kHz SWITCHING FREQ-MAX, PZFM5
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LT1076HVIR#PBF 功能描述:IC REG MULTI CONFIG ADJ 2A 7DD 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
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LT1076HVIR#TR 功能描述:IC REG MULTI CONFIG ADJ 2A 7DD 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:- 設(shè)計資源: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
LT1076HVIR#TRPBF 功能描述:IC REG MULTI CONFIG ADJ 2A 7DD 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