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LT1370HV

产品描述10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7
产品类别半导体    模拟混合信号IC   
文件大小234KB,共16页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
下载文档 详细参数 选型对比 全文预览 文档解析

LT1370HV概述

10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7

10 A 开关稳压器, 580 kHz 开关 最大频率, PSSO7

LT1370HV规格参数

参数名称属性值
额定输入电压5 V
功能数量1
端子数量7
最小工作温度0.0 Cel
最大工作温度70 Cel
额定输出电压1.24 V
加工封装描述PLASTIC, D2PAK-7
each_compliYes
状态Active
模拟IC其它类型SWITCHING REGULATOR
控制模式CURRENT-MODE
控制技术PULSE WIDTH MODULATION
最小输入电压2.7 V
最大输入电压25 V
jesd_30_codeR-PSSO-G7
jesd_609_codee0
moisture_sensitivity_level1
最大输出电流10 A
包装材料PLASTIC/EPOXY
ckage_codeTO-263
ckage_equivalence_codeSMSIP7H,.55,50TB
包装形状RECTANGULAR
包装尺寸SMALL OUTLINE
eak_reflow_temperature__cel_235
qualification_statusCOMMERCIAL
seated_height_max4.88 mm
sub_categorySwitching Regulator or Controllers
supply_current_max__isup_6 mA
表面贴装YES
交换机配置BOOST
最大开关频率580 kHz
工艺BIPOLAR
温度等级COMMERCIAL
端子涂层TIN LEAD
端子形式GULL WING
端子间距1.27 mm
端子位置SINGLE
ime_peak_reflow_temperature_max__s_20
length10.22 mm
width8.89 mm

文档解析

LT1370 是一款单片高频电流模式开关稳压器,适用于多种标准开关配置,包括升压、降压、反激、正向、反相和 Cuk 拓扑。该器件集成了 6A 高效率功率开关、内部振荡器、控制逻辑和保护电路,典型静态电流仅为 4.5mA,提供更高的整体效率。高频开关操作允许使用小型电感器,如 4.7μH,减小系统尺寸和成本,同时支持宽输入电压范围从 2.7V 至 25V。 关键特性包括快速开关速度、低开关电阻 0.065Ω 典型值、外部同步功能(600kHz 至 800kHz)、以及低关闭电流 12μA 典型值。非线性错误放大器设计减少输出过冲,增强稳定性,而频率 shifting 在过载时保护外部组件。器件采用表面贴装兼容封装,如 DD Pak 或 TO-220,便于集成到紧凑设计中。 LT1370 广泛应用于升压稳压器、笔记本电脑电源、多输出反激电源和反相电源等领域。其灵活性和可靠性使其适合工业、消费电子和便携设备,提供高效的电源转换解决方案。

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LT1370
500kHz High Efficiency
6A Switching Regulator
FEATURES
s
s
s
s
s
s
s
s
s
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DESCRIPTION
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 12µA. 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.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Faster Switching with Increased Efficiency
Uses Small Inductors: 4.7µH
All Surface Mount Components
Low Minimum Supply Voltage: 2.7V
Quiescent Current: 4.5mA Typ
Current Limited Power Switch: 6A
Regulates Positive or Negative Outputs
Shutdown Supply Current: 12µA Typ
Easy External Synchronization
Switch Resistance: 0.065Ω Typ
APPLICATIONS
s
s
s
s
Boost Regulators
Laptop Computer Supplies
Multiple Output Flyback Supplies
Inverting Supplies
TYPICAL APPLICATION
5V to 12V Boost Converter
5V
L1*
D1
MBRD835L
92
V
OUT†
12V
EFFICIENCY (%)
90
88
86
84
82
80
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
LOAD CURRENT (A)
LT1370 • TA02
V
IN
OFF
ON
S/S
LT1370
V
SW
R1
53.6k
1%
+
C1**
22µF
25V
FB
GND
C2
0.047µF
R3
2k
V
C
+
R2
6.19k
1%
C3
0.0047µF
LT1370 • TA01
C4**
22µF
25V
×
2
*COILTRONICS
UP2-4R7 (4.7µH)
UP4-100 (10µH)
**AVX TPSD226M025R0200
MAX I
OUT
L1
I
OUT
4.7µH 1.8A
10µH 2A
U
U
U
12V Output Efficiency
V
IN
= 5V
L = 10µH
1

LT1370HV相似产品对比

LT1370HV LT1370IT7 LT1370IR LT1370HVIT7 LT1370HVCT7 LT1370HVIR LT1370HVCR LT1370CR LT1370CT7 LT1370
描述 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7 10 A SWITCHING REGULATOR, 580 kHz SWITCHING FREQ-MAX, PSSO7
功能数量 1 1 1 1 1 1 1 1 1 1
端子数量 7 7 7 7 7 7 7 7 7 7
控制模式 CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE
控制技术 PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
最小输入电压 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V 2.7 V
最大输入电压 25 V 25 V 25 V 25 V 25 V 25 V 25 V 25 V 25 V 25 V
最大输出电流 10 A 10 A 10 A 10 A 10 A 10 A 10 A 10 A 10 A 10 A
表面贴装 YES NO YES NO NO YES YES YES NO YES
温度等级 COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
端子形式 GULL WING THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING GULL WING GULL WING THROUGH-HOLE GULL WING
端子位置 SINGLE ZIG-ZAG SINGLE ZIG-ZAG ZIG-ZAG SINGLE SINGLE SINGLE ZIG-ZAG SINGLE
Brand Name - Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology -
是否Rohs认证 - 不符合 不符合 不符合 不符合 不符合 不符合 不符合 不符合 -
厂商名称 - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) -
零件包装代码 - TO-220 D2PAK TO-220 TO-220 D2PAK D2PAK D2PAK TO-220 -
包装说明 - TO-220, ZIP7,.15,.2TB TO-263, SMSIP7H,.55,50TB TO-220, ZIP7,.15,.2TB TO-220, ZIP7,.15,.2TB TO-263, SMSIP7H,.55,50TB TO-263, SMSIP7H,.55,50TB TO-263, SMSIP7H,.55,50TB TO-220, ZIP7,.15,.2TB -
针数 - 7 7 7 7 7 7 7 7 -
制造商包装代码 - T7 R T7 T7 R R R T7 -
Reach Compliance Code - _compli _compli _compli _compli _compli _compli _compli not_compliant -
ECCN代码 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 -
模拟集成电路 - 其他类型 - SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR -
标称输入电压 - 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V -
JESD-30 代码 - R-PZFM-T7 R-PSSO-G7 R-PZFM-T7 R-PZFM-T7 R-PSSO-G7 R-PSSO-G7 R-PSSO-G7 R-PZFM-T7 -
JESD-609代码 - e0 e0 e0 e0 e0 e0 e0 e0 -
湿度敏感等级 - 1 1 1 1 1 1 1 1 -
最高工作温度 - 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C -
标称输出电压 - 1.245 V 1.245 V 1.245 V 1.245 V 1.245 V 1.245 V 1.245 V 1.245 V -
封装主体材料 - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY -
封装代码 - TO-220 TO-263 TO-220 TO-220 TO-263 TO-263 TO-263 TO-220 -
封装等效代码 - ZIP7,.15,.2TB SMSIP7H,.55,50TB ZIP7,.15,.2TB ZIP7,.15,.2TB SMSIP7H,.55,50TB SMSIP7H,.55,50TB SMSIP7H,.55,50TB ZIP7,.15,.2TB -
封装形状 - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR -
封装形式 - FLANGE MOUNT SMALL OUTLINE FLANGE MOUNT FLANGE MOUNT SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE FLANGE MOUNT -
峰值回流温度(摄氏度) - NOT SPECIFIED 235 NOT SPECIFIED NOT SPECIFIED 235 235 235 NOT SPECIFIED -
认证状态 - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified -
最大供电电流 (Isup) - 6 mA 6 mA 6 mA 6 mA 6 mA 6 mA 6 mA 6 mA -
切换器配置 - BOOST BOOST BOOST BOOST BOOST BOOST BOOST BOOST -
最大切换频率 - 580 kHz 580 kHz 580 kHz 580 kHz 580 kHz 580 kHz 580 kHz 580 kHz -
技术 - BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR -
端子面层 - Tin/Lead (Sn/Pb) - with Nickel (Ni) barrie Tin/Lead (Sn/Pb) - with Nickel (Ni) barrie Tin/Lead (Sn/Pb) - with Nickel (Ni) barrie Tin/Lead (Sn/Pb) - with Nickel (Ni) barrie Tin/Lead (Sn/Pb) - with Nickel (Ni) barrie Tin/Lead (Sn/Pb) - with Nickel (Ni) barrie Tin/Lead (Sn/Pb) - with Nickel (Ni) barrie Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier -
端子节距 - 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm -
处于峰值回流温度下的最长时间 - NOT SPECIFIED 20 NOT SPECIFIED NOT SPECIFIED 20 20 20 NOT SPECIFIED -
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