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参数资料
| 型号： | MAX5090CATE/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 2A 16WQFN |
| 产品变化通告： | Product Discontinuation 28/Nov/2011 |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.27 V ~ 11 V |
| 输入电压： | 6.5 V ~ 76 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 127kHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
2A, 76V, High-Efficiency MAXPower Step-Down
DC-DC Converters
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to PGND, unless otherwise specified.)
V IN , DRAIN .............................................................-0.3V to +80V
SGND, PGND.………………………………………-0.3V to +0.3V
LX.................................................................-0.8V to (V IN + 0.3V)
BST ...............................................................-0.3V to (V IN + 10V)
BST to LX................................................................-0.3V to +10V
ON/ OFF ........................................................-0.3V to (V IN + 0.3V)
VD, SYNC ...............................................................-0.3V to +12V
SS…………………………………………………………-0.3 to +4V
FB
V OUT Short-Circuit Duration………………………… ...Continuous
VD Short-Circuit Duration………….............................Continuous
Continuous Power Dissipation (T A = +70°C)*
16-Pin TQFN (derate 33.3mW/°C above +70°C) ........2.667W
Operating Junction Temperature Range ...........-40°C to +125°C
Storage Temperature Range .........................…-65°C to +150°C
Junction Temperature……...……………………………….+150°C
Lead Temperature (soldering, 10s) .................................+300°C
MAX5090A/MAX5090B…………….……… ...….-0.3V to +15V
MAX5090C ................1mA (internally clamped to +2V, -0.3V)
* As per JEDEC 51 Standard Multilayer Board.
Stresses beyond those listed under "Absolute Maximum Ratings" may cause 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 maxi-
mum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V IN = +12V, V ON/ OFF = +12V, V SYNC = 0V, I OUT = 0, T A = T J = -40°C to +125°C, unless otherwise noted. Typical values are at
T A = +25°C. See the Typical Operating Circuit .) (Note 1)
PARAMETER
Input Voltage Range
Undervoltage Lockout
SYMBOL
V IN
UVLO
V IN rising
CONDITIONS
MIN
6.5
5.70
TYP
6.17
MAX
76.0
6.45
UNITS
V
V
UVLO Hysteresis
UVLO HYS
0.5
V
MAX5090A
V IN = 6.5V to 76V, I OUT = 0 to 2A
3.20
3.3
3.39
Output Voltage
V OUT
MAX5090B
V IN = 7.5V to 76V, I OUT = 0 to 2A
4.85
5.0
5.15
V
MAX5090B
V IN = 7V to 76V, I OUT = 0 to 1A
4.85
5.0
5.15
Output Voltage Range
V OUT
MAX5090C only
1.265
11.000
V
Feedback Voltage
V FB
MAX5090C, V IN = 6.5V to 76V
1.191
1.228
1.265
V
MAX5090A
V IN = 12V, I OUT = 1A
80
Efficiency
η
MAX5090B
V IN = 12V, I OUT = 1A
88
%
MAX5090C
V IN = 12V, V OUT = 5V, I OUT = 1A
88
Quiescent Supply Current
(Note 2)
I Q
MAX5090A
MAX5090B
V IN = 6.5V to 28V
V IN = 7V to 28V
310
310
550
550
μA
MAX5090C
V IN = 6.5V to 28V
310
550
Quiescent Supply Current
(Note 2)
I Q
MAX5090A
MAX5090B
V IN = 6.5V to 40V
V IN = 7V to 40V
310
310
570
570
μA
MAX5090C
V IN = 6.5V to 40V
310
570
Quiescent Supply Current
(Note 2)
I Q
MAX5090A
MAX5090B
V IN = 6.5V to 76V
V IN = 7V to 76V
310
310
650
650
μA
MAX5090C
V IN = 6.5V to 76V
310
650
Shutdown Current
I SHDN
V ON/ OFF = 0V, V IN = 14V
19
45
μA
SOFT-START
Default Internal Soft-Start
Period
C SS = 0
700
μs
Soft-Start Charge Current
I SS
4.5
10
16.0
μA
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
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| MAX5091AASA+ | 功能描述:低压差稳压器 - LDO 28V 100mA Low-Q LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX5091AASA+T | 功能描述:低压差稳压器 - LDO 28V 100mA Low-Q LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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