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LT3592IMSE#PBF

LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin MSOP EP Tube

器件类别：模拟混合信号IC    驱动程序和接口   

厂商名称：ADI(亚德诺半导体)

厂商官网：https://www.analog.com

器件标准：

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参数 参考设计 预览 参数对比
器件参数
参数名称
属性值
Brand Name
Analog Devices Inc
是否无铅
含铅
是否Rohs认证
符合
厂商名称
ADI(亚德诺半导体)
包装说明
LEAD FREE, PLASTIC, MSOP-10
针数
10
制造商包装代码
05-08-1664
Reach Compliance Code
compliant
接口集成电路类型
LED DISPLAY DRIVER
JESD-30 代码
S-PDSO-G10
JESD-609代码
e3
长度
3 mm
湿度敏感等级
1
复用显示功能
NO
功能数量
1
区段数
2
端子数量
10
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
HTSSOP
封装形状
SQUARE
封装形式
SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）
260
认证状态
Not Qualified
座面最大高度
1.1 mm
最大供电电压
36 V
最小供电电压
3.6 V
标称供电电压
12 V
表面贴装
YES
温度等级
AUTOMOTIVE
端子面层
MATTE TIN
端子形式
GULL WING
端子节距
0.5 mm
端子位置
DUAL
处于峰值回流温度下的最长时间
30
宽度
3 mm
Base Number Matches
1
参考设计
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文档预览
FEATURES
n
n
n
n
n
n
n
n
LT3592
500mA Wide Input Voltage
Range Step-Down LED Driver
with 10:1 Dimming
DESCRIPTION
The LT
®
3592 is a fixed frequency step-down DC/DC con-
verter designed to operate as a constant-current source.
An external sense resistor monitors the output current
allowing accurate current regulation, ideal for driving
high current LEDs. The output current can be dimmed
by a factor of 10 using an external signal for nighttime
brake lights.
The high switching frequency offers several advantages by
permitting the use of a small inductor and small ceramic
capacitors. Small components combined with the LT3592’s
10-pin DFN leadless surface mount package save space and
cost versus alternative solutions. The constant switching
frequency combined with low-impedance ceramic capaci-
tors result in low, predictable output ripple.
A wide input voltage range of 3.6V to 36V makes the
LT3592 useful in a variety of applications. Current mode
PWM architecture provides fast transient response and
cycle-by-cycle current limiting. Thermal shutdown provides
additional protection.
L,
LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Wide Input Voltage Range
Operation from 3.6V to 36V
Resistor Adjustable 400kHz–2.2MHz Switching
Frequency
Shorted and Open LED Protected
Internal Switch Current Sense Resistor
External Resistor Programs LED Current, Pin
Selects 10:1 Ratio
50mA/500mA LED Current Settings
Catch Diode Current Sense to Prevent Runaway at
High V
IN
Small Thermally Enhanced 10-Lead DFN
(2mm
×
3mm) and MSOP-10 Packages
APPLICATIONS
n
n
n
Automotive Signal Lighting
Industrial Lighting
Constant-Current, Constant Voltage Supplies
TYPICAL APPLICATION
50/500mA Two Series Red LED Driver
V
IN
7V TO 32V
V
IN
1μF
BOOST
LT3592
SW
EFFICIENCY (%)
DA
CAP
OUT
V
FB
10k
0.1μF 10μH
Efficiency for 2 Red LEDs, L = 10μH, 900kHz
100
95
90
85
80
75
70
65
BRIGHT 500mA
ON
BRAKE
SHDN
BRIGHT
R
T
+
200/20mV
–
51k
0.4Ω
4.7μF
60
55
50
3592 TA01a
140k
900kHz
GND
4
8
16
12
20
INPUT VOLTAGE (V)
24
28
3592 TA01b
3592fc
1
LT3592
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V
IN
, BRIGHT Voltages ................................ –0.3V to 36V
BOOST Voltage .........................................................60V
BOOST above SW pin ...............................................30V
CAP OUT Voltages (OUT ≤ CAP) ...............................30V
,
V
FB
Voltage .................................................................4V
R
T
Voltage ...................................................................6V
SHDN
Voltage ............................................................V
IN
DA Pin Current (Average)..................... –1.2A (sourcing)
Operating Temperature Range (Notes 2, 3)
LT3592E ............................................. –40°C to 125°C
LT3592I .............................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
R
T
BRIGHT
SHDN
V
IN
DA
1
2
3
4
5
11
10 V
FB
9 OUT
8 CAP
7 BOOST
6 SW
TOP VIEW
R
T
BRIGHT
SHDN
V
IN
DA
1
2
3
4
5
10
9
8
7
6
V
FB
OUT
CAP
BOOST
SW
11
DDB PACKAGE
10-LEAD (3mm 2mm) PLASTIC DFN
θ
JA
= 76°C/W,
θ
JC
= 13.5°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
MSE PACKAGE
10-LEAD PLASTIC MSOP
θ
JA
= 38°C/W,
θ
JC
= 8°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3592EDDB#PBF
LT3592IDDB#PBF
LT3592EMSE#PBF
LT3592IMSE#PBF
LEAD BASED FINISH
LT3592EDDB
LT3592IDDB
LT3592EMSE
LT3592IMSE
TAPE AND REEL
LT3592EDDB#TRPBF
LT3592IDDB#TRPBF
LT3592EMSE#TRPBF
LT3592IMSE#TRPBF
TAPE AND REEL
LT3592EDDB#TR
LT3592IDDB#TR
LT3592EMSE#TR
LT3592IMSE#TR
PART MARKING*
LDCQ
LDCQ
LTDCR
LTDCR
PART MARKING
LDCQ
LDCQ
LTDCR
LTDCR
PACKAGE DESCRIPTION
10-Lead (3mm
×
2mm) Plastic DFN
10-Lead (3mm
×
2mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
PACKAGE DESCRIPTION
10-Lead (3mm
×
2mm) Plastic DFN
10-Lead (3mm
×
2mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
3592fc
2
LT3592
ELECTRICAL CHARACTERISTICS
PARAMETER
Minimum Input Voltage
Input Quiescent Current in Shutdown
CAP to OUT Voltage
Not Switching
V
SHDN
= 0.3V
0.4Ω CAP to OUT
BRIGHT = 1.4V
BRIGHT = 0.3V
R
T
= 357k
R
T
= 140k
R
T
= 48.7k
R
T
= 140k
l
l
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, V
BOOST
= 16V, V
OUT
= 4V unless otherwise noted. (Note 2)
CONDITIONS
l
MIN
TYP
3.25
2
0.1
MAX
3.6
3
2
210
22
–1.2
450
1000
2.5
UNITS
V
mA
μA
mV
mV
A
kHz
kHz
MHz
%
V
190
18
–0.8
350
800
1.9
90
2.3
200
20
–1
400
900
2.2
94
DA Pin Current to Stop OSC
Switching Frequency
Maximum Duty Cycle
SHDN
Input High Voltage
SHDN
Input Low Voltage
BRIGHT Input High Voltage
BRIGHT Input Low Voltage
Switch Current Limit (Note 4)
Switch V
CESAT
Boost Pin Current
Switch Leakage Current
Minimum Boost Voltage (V
BOOST
– V
IN
)
Boost Diode Forward Voltage
V
FB
Voltage
V
FB
Input Leakage Current
0.3
1.4
0.3
l
V
V
V
A
mV
mA
μA
V
mV
V
nA
0.85
1.25
300
20
1
1.8
800
1.5
30
10
2.5
1.235
250
I
SW
= 500mA
I
SW
= 500mA
V
OUT
= 4V
I
DIO
= 50mA
OUT = CAP = 4V, Bright = 12V
V
FB
= 1.21V
l
l
1.185
–250
1.21
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
The LT3592E is guaranteed to meet performance specifications
from 0°C to 125°C junction temperature. Specifications over the –40°C
to 125°C operating junction temperature range are assured by design,
characterization and correlation with statistical process controls. The
LT3592I is guaranteed over the full –40°C to 125°C operating junction
temperature range. The operating lifetime is derated at junction
temperatures greater than 125°C.
Note 3:
This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed the maximum operating junction temperature
when overtemperature protection is active. Continuous operation above
the specified maximum operating junction temperature may result in
device degradation or failure.
Note 4:
Switch Current Measurements are performed when the outputs
are not switching. Slope compensation reduces current limit at higher duty
cycles.
3592fc
3
LT3592
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency (2 Red LEDS,
L = 10μH, 900kHz)
100
95
90
85
EFFICIENCY (%)
80
75
70
65
60
55
50
45
40
4
8
16
12
20
INPUT VOLTAGE (V)
24
28
3592 G01
(T
A
= 25°C, unless otherwise noted)
Efficiency (2 Red LEDs,
L = 22μH, 400kHz)
100
95
90
EFFICIENCY (%)
BRIGHT (500mA)
Efficiency (1 Red LED,
L = 6.8μH, 900kHz)
100
95
90
BRIGHT (500mA)
EFFICIENCY (%)
85
80
75
70
65
60
55
50
45
40
4
8
16
12
20
INPUT VOLTAGE (V)
24
28
3592 G02
BRIGHT (500mA)
85
80
75
70
65
60
55
50
4
8
16
20
12
INPUT VOLTAGE (V)
24
28
3592 G03
Efficiency (2 Red LEDs,
L = 4.7μH, 2.2MHz)
100
95
90
EFFICIENCY (%)
85
80
75
70
65
60
55
50
4
8
16
12
20
INPUT VOLTAGE (V)
24
28
3592 G04
Minimum V
IN
for 500mA Output
Current vs V
OUT
, L = 22μH,
f = 400kHz (LED Loads)
12
11
10
OUTPUT VOLTAGE (V)
12
11
10
OUTPUT VOLTAGE (V)
9
8
7
6
5
4
3
2
2
4
6
8
INPUT VOLTAGE (V)
10
12
3592 G05
Minimum V
IN
for 500mA Output
Current vs V
OUT
, L = 6.8μH,
f = 900kHz (LED Loads)
BRIGHT (500mA)
9
8
7
6
5
4
3
2
2
4
6
8
INPUT VOLTAGE (V)
10
12
3592 G06
Minimum V
IN
for 500mA Output
Current vs V
OUT
, L = 4.7μH,
f = 2.2MHz (LED Loads)
12
11
10
OUTPUT VOLTAGE (V)
V
IN
– V
SW
(mV)
9
8
7
6
5
4
3
2
2
4
6
10
12
8
INPUT VOLTAGE (V)
14
16
3592 G07
Switch Voltage Drop
vs Switch Current
500
450
400
350
300
250
200
150
100
50
0
0
100 200 300 400 500 600 700 800
SWITCH CURRENT (mA)
3592 G08
Switch Voltage Drop at 500mA
vs Temperature
400
375
350
325
300
275
250
–50
V
IN
– V
SW
(mV)
0
100
50
TEMPERATURE (°C)
150
3592 G09
3592fc
4
LT3592
TYPICAL PERFORMANCE CHARACTERISTICS
Undervoltage Lockout
vs Temperature
3.4
2300
2100
UNDERVOLTAGE LOCKOUT (V)
1900
3.3
f
SW
(kHz)
1700
1500
1300
1100
900
700
500
3.1
–50
0
50
100
TEMPERATURE (°C)
150
3592 G10
(T
A
= 25°C, unless otherwise noted)
Switching Frequency
vs Temperature
1400
R
T
= 48.7k
SWITCH CURRENT LIMIT (mA)
1200
1000
800
600
400
200
Current Limit During Soft Start
3.2
R
T
= 140k
R
T
= 357k
300
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3592 G11
0
0.5
1
1.5
V
SHDN
(V)
2
2.5
3592 G12
Frequency Foldback
2500
R
T
= 48.7k
SWITCH CURRENT LIMIT (A)
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
0.6
0
600 800 1000 1200 1400 1600 1800 2000 2200
SHDN
VOLTAGE (mV)
3592 G13
Switch Current Limit
1.50
1.45
SWITCH CURRENT LIMIT (A)
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
0
20
40
60
DUTY CYCLE (%)
80
100
3592 G14
Switch Current Limit
2000
FREQUENCY (kHz)
1500
TYPICAL
1000
500
0.5
1.00
–50 –30 –10 10 30 50 70 90 110 130
TEMPERATURE (°C)
3592 G15
Operating Waveforms
Operating Waveforms,
Discontinuous Mode
V
SW
5V/DIV
V
CAP
10mV/DIV
AC-COUPLED
I
L
500mA/DIV
500ns/DIV
3592 G16
V
SW
5V/DIV
V
CAP
10mV/DIV
AC-COUPLED
I
L
500mA/DIV
500ns/DIV
3592 G17
3592fc
5
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参数对比
与LT3592IMSE#PBF相近的元器件有：LT3592EDDB#TRMPBF、LT3592EDDB#TRPBF、LT3592EMSE#PBF、LT3592EMSE#TRPBF、LT3592IDDB#TRMPBF、LT3592IDDB#TRPBF、LT3592IMSE#TRPBF。描述及对比如下：
型号 LT3592IMSE#PBF LT3592EDDB#TRMPBF LT3592EDDB#TRPBF LT3592EMSE#PBF LT3592EMSE#TRPBF LT3592IDDB#TRMPBF LT3592IDDB#TRPBF LT3592IMSE#TRPBF
描述 LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin MSOP EP Tube LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin DFN EP T/R LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin DFN EP T/R LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin MSOP EP Tube LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin MSOP EP T/R LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin DFN EP T/R LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin DFN EP T/R LED Driver 2 Segment 2uA Supply Current Automotive 10-Pin MSOP EP T/R
Brand Name Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc Analog Devices Inc
是否无铅 含铅 含铅 含铅 含铅 含铅 含铅 含铅 含铅
是否Rohs认证 符合 符合 符合 符合 符合 符合 符合 符合
厂商名称 ADI(亚德诺半导体) ADI(亚德诺半导体) ADI(亚德诺半导体) ADI(亚德诺半导体) ADI(亚德诺半导体) ADI(亚德诺半导体) ADI(亚德诺半导体) ADI(亚德诺半导体)
包装说明 LEAD FREE, PLASTIC, MSOP-10 SON, SOLCC10,.08,20 HVSON, LEAD FREE, PLASTIC, MSOP-10 HTSSOP, SON, SOLCC10,.08,20 HVSON, HTSSOP,
针数 10 10 10 10 10 10 10 10
制造商包装代码 05-08-1664 05-08-1722 05-08-1722 05-08-1664 05-08-1664 05-08-1722 05-08-1722 05-08-1664
Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant compliant
JESD-30 代码 S-PDSO-G10 R-PDSO-N10 R-PDSO-N10 S-PDSO-G10 S-PDSO-G10 R-PDSO-N10 R-PDSO-N10 S-PDSO-G10
JESD-609代码 e3 e3 e3 e3 e3 e3 e3 e3
湿度敏感等级 1 1 1 1 1 1 1 1
端子数量 10 10 10 10 10 10 10 10
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 HTSSOP SON HVSON HTSSOP HTSSOP SON HVSON HTSSOP
封装形状 SQUARE RECTANGULAR RECTANGULAR SQUARE SQUARE RECTANGULAR RECTANGULAR SQUARE
封装形式 SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
标称供电电压 12 V 12 V 12 V 12 V 12 V 12 V 12 V 12 V
表面贴装 YES YES YES YES YES YES YES YES
端子面层 MATTE TIN Matte Tin (Sn) Matte Tin (Sn) MATTE TIN Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 GULL WING NO LEAD NO LEAD GULL WING GULL WING NO LEAD NO LEAD GULL WING
端子节距 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm 0.5 mm
端子位置 DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
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
长度 3 mm - 3 mm 3 mm 3 mm - 3 mm 3 mm
复用显示功能 NO - NO NO NO - NO NO
功能数量 1 - 1 1 1 - 1 1
区段数 2 - 2 2 2 - 2 2
最高工作温度 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
峰值回流温度（摄氏度） 260 - 250 260 250 - 260 260
座面最大高度 1.1 mm - 0.8 mm 1.1 mm 1.1 mm - 0.8 mm 1.1 mm
最大供电电压 36 V - 36 V 36 V 36 V - 36 V 36 V
最小供电电压 3.6 V - 3.6 V 3.6 V 3.6 V - 3.6 V 3.6 V
温度等级 AUTOMOTIVE - AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
处于峰值回流温度下的最长时间 30 - NOT SPECIFIED 30 NOT SPECIFIED - 30 30
宽度 3 mm - 2 mm 3 mm 3 mm - 2 mm 3 mm
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