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參數資料
| 型號： | LT1370 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Isolated Flyback Switching Regulator with 9V Output |
| 中文描述： | 隔離反激式開關穩壓9V輸出 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 293K |
| 代理商： | LT1370 |
1
LT1370
500kHz High Efficiency
6A Switching Regulator
The LT
1370 is a monolithic high frequency current mode
switching regulator. It can be operated in all standard
switching configurations including boost, buck, flyback,
forward, inverting and “Cuk.” A 6A high efficiency switch
is included on the die, along with all oscillator, control and
protection circuitry.
The LT1370 typically consumes only 4.5mA quiescent
current and has higher efficiency than previous parts.
High frequency switching allows for very small inductors
to be used.
New design techniques increase flexibility and maintain
ease of use. Switching is easily synchronized to an exter-
nal logic level source. A logic low on the Shutdown pin
reduces supply current to 12
μ
A. Unique error amplifier
circuitry can regulate positive or negative output voltage
while maintaining simple frequency compensation tech-
niques. Nonlinear error amplifier transconductance
reduces output overshoot on start-up or overload recov-
ery. Oscillator frequency shifting protects external com-
ponents during overload conditions.
DESCRIPTIO
N
U
I
Faster Switching with Increased Efficiency
I
Uses Small Inductors: 4.7
μ
H
I
All Surface Mount Components
I
Low Minimum Supply Voltage: 2.7V
I
Quiescent Current: 4.5mA Typ
I
Current Limited Power Switch: 6A
I
Regulates Positive or Negative Outputs
I
Shutdown Supply Current: 12
μ
A Typ
I
Easy External Synchronization
I
Switch Resistance: 0.065
Typ
TYPICAL APPLICATIO
N
U
FEATURES
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Boost Regulators
I
Laptop Computer Supplies
I
Multiple Output Flyback Supplies
I
Inverting Supplies
APPLICATIO
S
U
5V to 12V Boost Converter
D1
MBRD835L
LT1370
V
IN
V
C
5V
GND
FB
LT1370 TA01
V
SW
S/S
L1*
C1**
22
μ
F
25V
C4**
22
μ
F
25V
×
2
C2
0.047
μ
F
C3
0.0047
μ
F
R3
2k
R2
6.19k
1%
R1
53.6k
1%
V
OUT
12V
ON
OFF
*
UP4-100 (10
μ
H)
AVX TPSD226M025R0200
L1
4.7
μ
H
10
μ
H
2A
**
COILTRONICS
μ
H)
+
+
I
OUT
1.8A
OUT
12V Output Efficiency
LOAD CURRENT (A)
0
80
E
84
82
86
88
90
1.0 1.2 1.4 1.6 1.8
0.2 0.4 0.6 0.8
2.0
LT1370 TA02
92
V
= 5V
L = 10
μ
H
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LT1370CR | 功能描述:IC REG MULTI CONFIG ADJ 6A D2PAK RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 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: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 |
| LT1370CR#PBF | 功能描述:IC REG MULTI CONFIG ADJ 6A D2PAK RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 系列:- 標準包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數: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: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) 供應商設備封裝:6-SON（1.45x1） 產品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT1370CR#PBF | 制造商:Linear Technology 功能描述:IC SMPS CONTROLLER CURRENT-MODE BIPOL |
| LT1370CR#TR | 功能描述:IC REG MULTI CONFIG ADJ 6A D2PAK RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 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: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 |
| LT1370CR#TRPBF | 功能描述:IC REG MULTI CONFIG ADJ 6A D2PAK RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - DC DC 開關穩壓器 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: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 |
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