Enable and Power-On Sequencing ........................................................................................................................ 31
Fault Detection, Shutdown, and Reporting............................................................................................................ 32
I
2
C Operation ........................................................................................................................................................ 36
Thermal Considerations and Board Layout ........................................................................................................... 42
........................................... –0.3V to 6V
SDA, SCL ......................................–0.3V to DV
DD
+ 0.3V
Operating Junction Temperature Range
(Note 2).................................................. –40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
pin conFiguraTion
LTC3589
BUCK1_FB
LDO2_FB
TOP VIEW
LDO1_STBY
BUCK3_FB
BUCK2_FB
LDO1_FB
BB_FB
LTC3589-1/LTC3589-2
BUCK1_FB
LDO2_FB
TOP VIEW
LDO1_STBY
BUCK3_FB
BUCK2_FB
LDO1_FB
BB_FB
DV
DD
DV
DD
SW4CD
SDA
V
IN
40 39 38 37 36 35 34 33 32 31
V
IN_LDO2
1
LDO2 2
LDO3 3
LDO4 4
V
IN_LDO34
5
PV
IN1
6
SW1 7
RSTO
8
EN_LDO2 9
EN1 10
11 12 13 14 15 16 17 18 19 20
SW4AB
EN2
EN3
EN4
EN_LDO34
PV
IN4
BB_OUT
IRQ
SW4CD
PWR_ON
41
GND
30 SCL
29 PGOOD
28 VSTB
27 PV
IN3
26 SW3
25 SW2
24 PV
IN2
23 WAKE
22 PBSTAT
21
ON
V
IN_LDO2
1
LDO2 2
LDO3 3
LDO4 4
V
IN_LDO34
5
PV
IN1
6
SW1 7
RSTO
8
EN_LDO2 9
EN1 10
40 39 38 37 36 35 34 33 32 31
30 SCL
29 PGOOD
28 VSTB
27 PV
IN3
41
GND
26 SW3
25 SW2
24 PV
IN2
23 WAKE
22 PBSTAT
21
ON
11 12 13 14 15 16 17 18 19 20
EN2
SW4AB
EN3
EN4
EN_LDO3
PV
IN4
BB_OUT
IRQ
PWR_ON
UJ PACKAGE
40-LEAD (6mm
×
6mm) PLASTIC QFN
UJ PACKAGE
40-LEAD (6mm
×
6mm) PLASTIC QFN
T
JMAX
= 150°C,
θ
JA
= 33°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
T
JMAX
= 150°C,
θ
JA
= 33°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LTC3589EUJ#PBF
LTC3589IUJ#PBF
LTC3589HUJ#PBF
LTC3589EUJ-1#PBF
LTC3589IUJ-1#PBF
LTC3589HUJ-1#PBF
LTC3589EUJ-2#PBF
LTC3589IUJ-2#PBF
LTC3589HUJ-2#PBF
TAPE AND REEL
LTC3589EUJ#TRPBF
LTC3589IUJ#TRPBF
LTC3589HUJ#TRPBF
LTC3589EUJ-1#TRPBF
LTC3589IUJ-1#TRPBF
LTC3589HUJ-1#TRPBF
LTC3589EUJ-2#TRPBF
LTC3589IUJ-2#TRPBF
LTC3589HUJ-2#TRPBF
http://www.linear.com/product/LTC3589#orderinfo
PART MARKING*
LTC3589UJ
LTC3589UJ
LTC3589UJ
LTC3589UJ-1
LTC3589UJ-1
LTC3589UJ-1
LTC3589UJ-2
LTC3589UJ-2
LTC3589UJ-2
PACKAGE DESCRIPTION
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
40-Lead (6mm
×
6mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°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/.
Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
SDA
V
IN
3589fh
For more information
www.linear.com/LTC3589
3
LTC3589/LTC3589-1/
LTC3589-2
elecTrical characTerisTics
SYMBOL
V
IN
I
STANDBY
f
OSC
I
VIN
PARAMETER
Operating Input Supply Voltage, V
IN
V
IN
Standby Current
Oscillator Frequency
Pulse-Skipping Mode V
IN
Quiescent Current
per Buck
Burst Mode
®
V
IN
Quiescent Current per Buck
Feedback Pin Input Current
Maximum Duty Cycle
SW Pull-Down Resistance
Soft-Start Rate
Maximum Feedback Voltage
Feedback LSB Step Size
Minimum Feedback Voltage
BxDTV1 = BxDTV2 = 00000,
V
IN
=
2.7V to 5.5V
l
The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
IN
= PV
IN1
= PV
IN2
= PV
IN3
= PV
IN4
= V
IN_LDO2
= V
IN_LDO34
= DV
DD
= 3.8V. All regulators disabled unless otherwise noted.
Butterworth filter is a kind of electronic filter. The characteristic of Butterworth filter is that the frequency response curve of the passband is the smoothest. This filter was first proposed by Bri...
Overview
Field logic updates are becoming increasingly important in a wide range of applications due to the unprecedented flexibility of field logic updates, which provide designers with features to c...
I am a junior student. I saw a post on the forum about STM32+ENC28J60+wireless router to realize IoT simulation control system [url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=473183&fromu...
[size=5][color=#0080ff]Excuse me, why can't I always write AdcRegs.ADCTRL3.bit.ADCBGRFDN = 0x3 when initializing AD? [/color][/size] [size=5][color=#0080ff]This is a problem that a friend of mine had....
Recently, I have been trying to get familiar with the development environment of STM32, including the burning and debugging of programs. I am too demanding on STM32 and hope to debug and run the code ...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[Details]
With the rapid development of technology, automotive intelligence is increasing at an unprecedented rate. This not only enhances vehicle functionality and comfort, but also places higher deman...[Details]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
Laird Thermal Systems has introduced the HiTemp ET series Peltier cooler modules, which can operate at high temperatures and provide on-site cooling for sensitive electronic devices.
Dig...[Details]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[Details]
Civilian internal combustion engines operate in the range of approximately 1000-4000 rpm. This results in the engine's kinetic energy being ineffective at low or high rpm, making starting difficult...[Details]
The second-generation Snapdragon W5+ and second-generation Snapdragon W5 platforms support users sending and receiving messages via satellite when there is no cellular and Wi-Fi coverage.
...[Details]
introduction
A common voltage regulator is a three-terminal one. Its function is to step down the voltage and stabilize it at a fixed output value. Voltage regulators are commonly available in...[Details]
Wireless Connectivity
京公网安备 11010802033920号
EEWORLD
