Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Thermal Characteristics
(Note 1)
TDFN
Junction-to-Ambient Thermal Resistance (θ
JA
)...........41°C/W
Junction-to-Case Thermal Resistance (θ
JC
)..................9°C/W
TSSOP
Junction-to-Ambient Thermal Resistance (θ
JA
)........38.3°C/W
Junction-to-Case Thermal Resistance (θ
JC
)..................3°C/W
Note 1:
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to
www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
(V
SUP
= +14V, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C, unless otherwise noted.)
PARAMETER
Supply Voltage Range
SYMBOL
V
SUP
(Note 2)
t < 1s
EN = low
Supply Current
I
SUP
EN = high, no load
3.3V and 5V output
1.8V output
40
2.8
4
25
65
1
3
0.4
5
10
3.2
CONDITIONS
MIN
3.5
TYP
MAX
28
42
8
35
90
mA
V
V
mA
µA
UNITS
V
EN = high, continuous, no switching
UV Lockout
Bias Voltage
Bias Current Limit
V
UVLO
V
BIAS
I
BIAS
Bias rising
+5.5V ≤ V
SUP
≤ +42V
V
UVLO,HYS
Hysteresis
www.maximintegrated.com
Maxim Integrated
│
3
MAX16903
2.1MHz, High-Voltage,
1A Mini-Buck Converter
Electrical Characteristics (continued)
(V
SUP
= +14V, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C, unless otherwise noted.)
BUCK CONVERTER
V
OUT,5V
V
OUT,3.3V
V
OUT,1.8V
Voltage Accuracy
V
OUT,5V
V
OUT,3.3V
V
OUT,1.8V
Skip-Mode Peak Current
High-Side DMOS RDS
ON
Low-Side DMOS RDS
ON
DMOS Peak Current-Limit
Threshold
Soft-Start Ramp Time
LX Rise Time
Minimum On-Time
PWM Switching Frequency
SYNC Input Frequency
Range
Spread-Spectrum Range
I
SKIP
R
ON,HS
R
ON,LS
I
MAX
t
SS
t
RISE,LX
t
ON
f
SW
f
SYNC
SS
Spread-spectrum option only
Internally generated
1.925
1.8
+6
1.275
7
V
BIAS
= 5V
V
OUT
= 5V, fixed frequency
V
OUT
= 5V, SKIP mode (Note 3)
6V ≤ V
SUP
≤ 18V,
V
OUT
= 3.3V, fixed frequency
I
LOAD
= 0 to 1A,
V
OUT
= 3.3V, SKIP mode (Note 3)
T
A
= 0°C to
+125°C
V
OUT
= 1.8V, fixed frequency
V
OUT
= 1.8V, SKIP mode (Note 3)
V
OUT
= 5V, fixed frequency
V
OUT
= 5V, SKIP mode (Note 3)
6V ≤ V
SUP
≤ 18V,
V
OUT
= 3.3V, fixed frequency
I
LOAD
= 0 to 1A,
V
OUT
= 3.3V, SKIP mode (Note 3)
T
A
= -40°C to
+125°C
V
OUT
= 1.8V, fixed frequency
V
OUT
= 1.8V, SKIP mode (Note 3)
-2.0%
-2.0%
-2.0%
-2.0%
-2.0%
-2.0%
-3.0%
-3.0%
-3.0%
-3.0%
-3.0%
-3.0%
5
5
3.3
3.3
1.8
1.8
5
5
3.3
3.3
1.8
1.8
350
400
250
1.5
8
5
80
2.1
2.275
2.6
800
450
1.75
9
+2.5%
+4%
+2.5%
+4%
+2.5%
+4.0%
+2.5%
+4%
+2.5%
+4%
+2.5%
+4%
mA
mΩ
mΩ
A
ms
ns
ns
MHz
MHz
%
V
www.maximintegrated.com
Maxim Integrated
│
4
MAX16903
2.1MHz, High-Voltage,
1A Mini-Buck Converter
Electrical Characteristics (continued)
(V
SUP
= +14V, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C, unless otherwise noted.)
PARAMETER
PGOOD
PGOOD Threshold
PGOOD Debounce
PGOOD HIGH Leakage
Current
PGOOD Output Low Level
LOGIC LEVELS
EN Level
EN Input Current
SYNC Switching Threshold
SYNC Internal Pulldown
THERMAL PROTECTION
Thermal Shutdown
Thermal Shutdown
Hysteresis
T
SHDN
T
SHDN,HYS
175
15
°C
°C
V
IH,EN
V
IL,EN
I
IN,EN
V
IH,SYNC
V
IL,SYNC
R
PD,SYNC
200
V
EN
= V
SUP
= +42V, T
A
= +25°C
1.4
0.4
2.4
0.6
1
V
µA
V
kΩ
V
THR,PGD
V
THF,PGD
t
DEB
I
LEAK,PGD
V
OUT,PGD
T
A
= +25°C, V
PGD
≤ V
OUT
Sinking 1mA
V
OUT
rising
V
OUT
falling
88
88
93
91
10
1
0.4
98
94
%
µs
µA
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Note 2:
When the typical minimum on-time of 80ns is violated, the device skips pulses.
When confirming the use and installation environment, capacitors used within the rated performance range specified in the product sample design manual should avoid use in the following situations: a....
Hey guys, I loaded a hello.c file from the example in the redboot[romram] version, and then compiled it with xscale-elf-gcc to get a.out, and then used xscale-elf-objcopy to make a.out into hello.bin....
I would like to ask: In the C language programming of MSP430, how to call the interrupt service program? What form is used?In the example in the accompanying book: #pragma vector = WDT_VECTOR_interupt...
[p=28, 2, left][color=rgb(51, 51, 51)][font=frutigernext,]On March 15, 2016, Huawei released the industry's first multi-level intelligent control lighting IoT solution at CeBIT 2016 (Hannover Consumer...
55KW inverter with 6-pole 55KW motor, output distance is about 150 meters, equipped with output reactor, after installation and debugging, the motor temperature is tested to be 80~90 degrees, the moto...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Analogue and Mixed Signal
京公网安备 11010802033920号
EEWORLD
