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LTC1922EG-1#TR

产品描述IC reg ctrlr iso pwm 20-ssop
产品类别电源/电源管理    电源电路   
文件大小301KB,共24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

LTC1922EG-1#TR概述

IC reg ctrlr iso pwm 20-ssop

LTC1922EG-1#TR规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证不符合
厂商名称Linear ( ADI )
零件包装代码SSOP
包装说明SSOP,
针数20
制造商包装代码G
Reach Compliance Codenot_compliant
ECCN代码EAR99
Is SamacsysN
其他特性ALSO CONFIGURABLE IN CURRENT MODE
模拟集成电路 - 其他类型SWITCHING CONTROLLER
控制模式VOLTAGE-MODE
控制技术PHASE-SHIFT CONTROL
最大输入电压9.5 V
最小输入电压6.5 V
标称输入电压9.5 V
JESD-30 代码R-PDSO-G20
JESD-609代码e0
长度7.2 mm
湿度敏感等级1
功能数量1
端子数量20
最高工作温度85 °C
最低工作温度-40 °C
封装主体材料PLASTIC/EPOXY
封装代码SSOP
封装形状RECTANGULAR
封装形式SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度)235
认证状态Not Qualified
座面最大高度2 mm
表面贴装YES
切换器配置PHASE-SHIFT
最大切换频率1000 kHz
温度等级INDUSTRIAL
端子面层Tin/Lead (Sn/Pb)
端子形式GULL WING
端子节距0.65 mm
端子位置DUAL
处于峰值回流温度下的最长时间20
宽度5.3 mm
Base Number Matches1

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FEATURES
s
s
LTC1922-1
Synchronous Phase
Modulated Full-Bridge Controller
DESCRIPTIO
The LTC
®
1922-1 phase shift PWM controller provides all
of the control and protection functions necessary to imple-
ment a high performance, zero voltage switched, phase
shift, full-bridge power converter with synchronous recti-
fication. The part is ideal for developing isolated, low
voltage, high current outputs from a high voltage input
source. The LTC1922-1 combines the benefits of the full-
bridge topology with fixed frequency, zero voltage switch-
ing operation (ZVS). Adaptive ZVS circuity controls the
turn-on signals for each MOSFET independent of internal
and external component tolerances for optimal perfor-
mance.
The LTC1922-1 also provides secondary side synchro-
nous rectifier control. The device uses peak current mode
control with programmable slope comp and leading edge
blanking.
The LTC1922-1 features extremely low operating and
start-up currents to simplify off-line start-up and bias
circuitry. The LTC1922-1 also includes a full range of
protection features and is available in 20-pin through hole
(N) and surface mount (G) packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
DirectSense is a trademark of Linear Technology Corporation.
s
s
s
s
s
s
s
s
s
s
Adaptive DirectSense
TM
Zero Voltage Switching
Integrated Synchronous Rectification Control for
Highest Efficiency
Output Power Levels from 50W to Kilowatts
Very Low Start-Up and Quiescent Currents
Compatible with Voltage Mode and Current Mode
Topologies
Programmable Slope Compensation
Undervoltage Lockout Circuitry with 4.2V Hysteresis
and Integrated 10.3V Shunt Regulator
Fixed Frequency Operation to 1MHz
50mA Outputs for Bridge Drive and Secondary Side
Synchronous Rectifiers
Soft-Start, Cycle-by-Cycle Current Limiting and
Hiccup Mode Short-Circuit Protection
5V, 15mA Low Dropout Regulator
20-Pin PDIP and SSOP Packages
APPLICATIO S
s
s
s
s
Telecommunications, Infrastructure Power Systems
Distributed Power Architectures
Server Power Supplies
High Density Power Modules
TYPICAL APPLICATIO
BIAS
SUPPLY
V
IN
48V
V
OUT
3.3V
EFFICIENCY (%)
LTC1922-1
ISOLATED
FEEDBACK
1922 TA01a
U
U
U
Efficiency
100
90
V
IN
= 48V
V
IN
= 36V
80
70
60
0
10
20
LOAD CURRENT (A)
30
40
1922 • TA01b
1

LTC1922EG-1#TR相似产品对比

LTC1922EG-1#TR LTC1922IG-1#TR LTC1922EG-1#PBF LTC1922IG-1#TRPBF LTC1922IG-1#PBF LTC1922IN-1#PBF LTC1922EN-1#PBF LTC1922EG-1#TRPBF
描述 IC reg ctrlr iso pwm 20-ssop IC reg ctrlr iso pwm 20-ssop IC REG CTRLR FULL-BRIDGE 20SSOP IC REG CTRLR FULL-BRIDGE 20SSOP IC REG CTRLR FULL-BRIDGE 20SSOP IC REG CTRLR FULL-BRIDGE 20DIP IC REG CTRLR FULL-BRIDGE 20DIP IC REG CTRLR FULL-BRIDGE 20SSOP
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 符合 符合 符合 符合 符合 符合
零件包装代码 SSOP SSOP SSOP SSOP SSOP DIP DIP SSOP
包装说明 SSOP, SSOP, SSOP, SSOP20,.3 SSOP, SSOP, SSOP20,.3 DIP, DIP20,.3 DIP, DIP20,.3 SSOP,
针数 20 20 20 20 20 20 20 20
制造商包装代码 G G G G G N N G
Reach Compliance Code not_compliant compli compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
其他特性 ALSO CONFIGURABLE IN CURRENT MODE ALSO CONFIGURABLE IN CURRENT MODE ALSO CONFIGURABLE IN CURRENT MODE ALSO CONFIGURABLE IN CURRENT MODE ALSO CONFIGURABLE IN CURRENT MODE ALSO CONFIGURABLE IN CURRENT MODE ALSO CONFIGURABLE IN CURRENT MODE ALSO CONFIGURABLE IN CURRENT MODE
模拟集成电路 - 其他类型 SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER
控制模式 VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE
控制技术 PHASE-SHIFT CONTROL PHASE-SHIFT CONTROL PHASE-SHIFT CONTROL PHASE-SHIFT CONTROL PHASE-SHIFT CONTROL PHASE-SHIFT CONTROL PHASE-SHIFT CONTROL PHASE-SHIFT CONTROL
最大输入电压 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V
最小输入电压 6.5 V 6.5 V 6.5 V 6.5 V 6.5 V 6.5 V 6.5 V 6.5 V
标称输入电压 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V 9.5 V
JESD-30 代码 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDIP-T20 R-PDIP-T20 R-PDSO-G20
JESD-609代码 e0 e0 e3 e3 e3 e3 e3 e3
湿度敏感等级 1 1 1 1 1 1 1 1
功能数量 1 1 1 1 1 1 1 1
端子数量 20 20 20 20 20 20 20 20
最高工作温度 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C 85 °C
最低工作温度 -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C
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 SSOP SSOP SSOP SSOP SSOP DIP DIP SSOP
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH IN-LINE IN-LINE SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度) 235 255 260 260 260 250 250 260
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 2 mm 2 mm 2 mm 2 mm 2 mm 3.937 mm 3.937 mm 2 mm
表面贴装 YES YES YES YES YES NO NO YES
切换器配置 PHASE-SHIFT PHASE-SHIFT PHASE-SHIFT PHASE-SHIFT PHASE-SHIFT PHASE-SHIFT PHASE-SHIFT PHASE-SHIFT
最大切换频率 1000 kHz 1000 kHz 1000 kHz 1000 kHz 1000 kHz 1000 kHz 1000 kHz 1000 kHz
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子面层 Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 GULL WING GULL WING GULL WING GULL WING GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING
端子节距 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm 2.54 mm 2.54 mm 0.65 mm
端子位置 DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 20 40 30 30 30 40 40 30
宽度 5.3 mm 5.3 mm 5.3 mm 5.3 mm 5.3 mm 7.62 mm 7.62 mm 5.3 mm
厂商名称 Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - -
长度 7.2 mm 7.2 mm 7.2 mm 7.2 mm 7.2 mm - - 7.2 mm
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