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LT3598EUF#PBF

产品描述IC LED DRVR RGLTR DIM 30MA 24QFN
产品类别模拟混合信号IC    驱动程序和接口   
文件大小394KB,共24页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
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LT3598EUF#PBF概述

IC LED DRVR RGLTR DIM 30MA 24QFN

LT3598EUF#PBF规格参数

参数名称属性值
Brand NameLinear Technology
是否Rohs认证符合
零件包装代码QFN
包装说明HVQCCN, LCC24,.16SQ,20
针数24
制造商包装代码UF
Reach Compliance Codecompliant
ECCN代码EAR99
接口集成电路类型LED DISPLAY DRIVER
JESD-30 代码S-PQCC-N24
JESD-609代码e3
长度4 mm
湿度敏感等级1
复用显示功能NO
功能数量1
区段数60
端子数量24
最高工作温度125 °C
最低工作温度-40 °C
封装主体材料PLASTIC/EPOXY
封装代码HVQCCN
封装等效代码LCC24,.16SQ,20
封装形状SQUARE
封装形式CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度)250
电源5 V
认证状态Not Qualified
座面最大高度0.8 mm
最大供电电压30 V
最小供电电压3.2 V
标称供电电压5 V
表面贴装YES
技术BIPOLAR
温度等级AUTOMOTIVE
端子面层Matte Tin (Sn)
端子形式NO LEAD
端子节距0.5 mm
端子位置QUAD
处于峰值回流温度下的最长时间NOT SPECIFIED
宽度4 mm
Base Number Matches1

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FEATURES
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LT3598
6-String 30mA LED Driver
with ±1.5% Current Matching
DESCRIPTION
The LT
®
3598 is a fixed frequency step-up DC/DC converter
designed to drive up to six strings of LEDs at an output
voltage up to 44V. LED dimming can be achieved with
analog dimming on the CTRL pin, and with pulse width
modulation dimming on the PWM pin. The LT3598
accurately regulates LED current even when the input
voltage is higher than the LED output voltage. The switching
frequency is programmable from 200kHz to 2.5MHz
through an external resistor.
Additional features include programmable overvoltage
protection, switching frequency synchronization to an
external clock, LED current derating based on junction
temperature and/or LED temperature, LED string disable
control,
OPENLED
alert pin and output voltage limiting
when all LED strings are disconnected. The LT3598 is
available in a thermally enhanced 24-lead (4mm
×
4mm)
QFN and 24-lead TSSOP packages.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. True Color PWM is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners. Protected by U.S. Patents
including 7199560, 7321203.
True Color PWM™ Dimming Delivers Up to 3000:1
Dimming Ratio
Drives Six Strings of LEDs at Up to 30mA
±1.5% Accurate LED Current Matching
Wide Input Voltage Range: 3.2V to 30V
Output Voltage Up to 44V
Regulates Current Even When V
IN
> V
OUT
Disconnects LEDs in Shutdown
Programmable Open LED Protection (Regulated)
OPENLED
Alert Pin
Programmable LED Current Derating
Adjustable Frequency: 200kHz to 2.5MHz
Synchronizable to an External Clock
Parallel Channels for Higher Current per LED String
Thermally Enhanced 4mm
×
4mm QFN and 24-Lead
TSSOP Packages
APPLICATIONS
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Notebook Computer Display
Medium Size Displays
Automotive LCD Display
TYPICAL APPLICATION
90% Efficient LED Driver for 60 White LEDs
PV
IN
8V TO 40V
2.2μF
V
IN
5V
2.2μF
V
IN
100k
OPENLED
SHDN
PWM
SYNC
51.1k
10k
CTRL
100k
60.4k
T
SET
I
SET
SS
47pF
100k
14.7k
SHDN
PWM
SYNC
RT
V
REF
LED1
LED2
LED3
LED4
LED5
LED6
GND V
C
10nF
2.61k
15nF
3598 TA01a
LED Current Matching
1.5
ALL SIX LED STRINGS
4.7μF
10μH
SW
V
OUT
V
O_SW
MATCHING (%)
1.00M
FB
30.9k
LT3598
1.0
0.5
0
–0.5
–1.0
–1.5
–50
–25
0
25
50
75
100
125
TEMPERATURE (°C)
20mA
3598 TA01b
3598fb
1

LT3598EUF#PBF相似产品对比

LT3598EUF#PBF LT3598EFE#PBF LT3598IFE#PBF LT3598EUF#TRPBF LT3598EFE#TRPBF LT3598IFE#TRPBF LT3598IUF#TRPBF LT3598IUF#PBF
描述 IC LED DRVR RGLTR DIM 30MA 24QFN IC led drvr white bcklgt 24tssop IC led drvr white bcklgt 24tssop IC LED DRVR RGLTR DIM 30MA 24QFN IC LED DRIVER RGLTR DIM 24TSSOP IC LED DRIVER RGLTR DIM 24TSSOP IC LED DRVR RGLTR DIM 30MA 24QFN IC LED DRVR RGLTR DIM 30MA 24QFN
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
是否Rohs认证 符合 符合 符合 符合 符合 符合 符合 符合
零件包装代码 QFN TSSOP TSSOP QFN TSSOP TSSOP QFN QFN
包装说明 HVQCCN, LCC24,.16SQ,20 HTSSOP, TSSOP24,.25 HTSSOP, TSSOP24,.25 HVQCCN, LCC24,.16SQ,20 HTSSOP, TSSOP24,.25 HTSSOP, TSSOP24,.25 HVQCCN, LCC24,.16SQ,20 HVQCCN, LCC24,.16SQ,20
针数 24 24 24 24 24 24 24 24
制造商包装代码 UF FE FE UF FE FE UF UF
Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
接口集成电路类型 LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER
JESD-30 代码 S-PQCC-N24 R-PDSO-G24 R-PDSO-G24 S-PQCC-N24 R-PDSO-G24 R-PDSO-G24 S-PQCC-N24 S-PQCC-N24
JESD-609代码 e3 e3 e3 e3 e3 e3 e3 e3
长度 4 mm 7.8 mm 7.8 mm 4 mm 7.8 mm 7.8 mm 4 mm 4 mm
湿度敏感等级 1 1 1 1 1 1 1 1
复用显示功能 NO NO NO NO NO NO NO NO
功能数量 1 1 1 1 1 1 1 1
区段数 60 60 60 60 60 60 60 60
端子数量 24 24 24 24 24 24 24 24
最高工作温度 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °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 HVQCCN HTSSOP HTSSOP HVQCCN HTSSOP HTSSOP HVQCCN HVQCCN
封装等效代码 LCC24,.16SQ,20 TSSOP24,.25 TSSOP24,.25 LCC24,.16SQ,20 TSSOP24,.25 TSSOP24,.25 LCC24,.16SQ,20 LCC24,.16SQ,20
封装形状 SQUARE RECTANGULAR RECTANGULAR SQUARE RECTANGULAR RECTANGULAR SQUARE SQUARE
封装形式 CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度) 250 260 260 250 260 260 250 250
电源 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
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 0.8 mm 1.2 mm 1.2 mm 0.8 mm 1.2 mm 1.2 mm 0.8 mm 0.8 mm
最大供电电压 30 V 30 V 30 V 30 V 30 V 30 V 30 V 30 V
最小供电电压 3.2 V 3.2 V 3.2 V 3.2 V 3.2 V 3.2 V 3.2 V 3.2 V
标称供电电压 5 V 5 V 5 V 5 V 5 V 5 V 5 V 5 V
表面贴装 YES YES YES YES YES YES YES YES
技术 BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
温度等级 AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
端子面层 Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 NO LEAD GULL WING GULL WING NO LEAD GULL WING GULL WING NO LEAD NO LEAD
端子节距 0.5 mm 0.65 mm 0.65 mm 0.5 mm 0.65 mm 0.65 mm 0.5 mm 0.5 mm
端子位置 QUAD DUAL DUAL QUAD DUAL DUAL QUAD QUAD
处于峰值回流温度下的最长时间 NOT SPECIFIED 30 30 NOT SPECIFIED 30 30 NOT SPECIFIED NOT SPECIFIED
宽度 4 mm 4.4 mm 4.4 mm 4 mm 4.4 mm 4.4 mm 4 mm 4 mm
Base Number Matches 1 1 1 - 1 1 1 -
厂商名称 - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
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