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参数资料
| 型号： | MAX5098AATJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BST ADJ 1A/2A 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 0.85 V，4.5 V ~ 28 V |
| 输入电压： | 4.5 V ~ 19 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 200kHz ~ 2.2MHz |
| 电流 - 输出： | 1A，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： | 32-WFQFN 裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
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Dual, 2.2MHz, Automotive Buck or Boost
Converter with 80V Load-Dump Protection
ABSOLUTE MAXIMUM RATINGS
V+ to SGND............................................................-0.3V to +25V
V+ to IN_HIGH...........................................................-19V to +6V
IN_HIGH to SGND ..................................................-0.3V to +19V
IN_HIGH Maximum Input Current .......................................60mA
BYPASS to SGND..................................................-0.3V to +2.5V
GATE to V+.............................................................-0.3V to +12V
GATE to SGND .......................................................-0.3V to +36V
SGND to PGND_ ...................................................-0.3V to +0.3V
V L to SGND ..................-0.3V to the Lower of +6V or (V+ + 0.3V)
VDRV to SGND .........................................................-0.3V to +6V
BST1/VDD1, BST2/VDD2, DRAIN_,
PGOOD_ to SGND ..............................................-0.3V to +30V
ON/OFF to SGND ...............................-0.3V to (IN_HIGH + 0.3V)
BST1/VDD1 to SOURCE1,
BST2/VDD2 to SOURCE2......................................-0.3V to +6V
SOURCE_ to SGND................................................-0.6V to +25V
SOURCE_ to PGND_.................................................-1V for 50ns
OSC, FSEL_1, COMP_, SYNC,
FB_ to SGND..............................................-0.3V to (V L + 0.3V)
CKO to SGND..........................................-0.3V to (VDRV + 0.3V)
SOURCE1, DRAIN1 Peak Current ..............................5A for 1ms
SOURCE2, DRAIN2 Peak Current ..............................3A for 1ms
V L , BYPASS to
SGND Short Circuit ................... Continuous, Internally Limited
Continuous Power Dissipation (T A = +70°C)
32-Pin TQFN-EP (derate 34.5mW/°C above +70°C)..2759mW
Package Junction-to-Ambient
Thermal Resistance ( θ JA ) (Note 1).............................29.0°C/W
Package Junction-to-Case
Thermal Resistance ( θ JC ) (Note 1) ..............................1.7°C/W
Operating 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
EN_ to SGND............................................................-0.3V to +6V
Note 1: Package thermal resistances were obtained using the method described in JEDEC specifications. For detailed information
on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial .
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.
ELECTRICAL CHARACTERISTICS
(VDRV = V L , V+ = V L = IN_HIGH = 5.2V or V+ = IN_HIGH = 5.2V to 19V, EN_ = V L , SYNC = GND, I VL = 0mA, PGND_ = SGND,
C BYPASS = 0.22μF (low ESR), C VL = 4.7μF (ceramic), C V+ = 1μF (low ESR), C IN_HIGH = 1μF (ceramic), R IN_HIGH = 3.9k Ω , R OSC = 10k Ω ,
T J = -40°C to +125°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYSTEM SPECIFICATIONS
Input Voltage Range
V+ Operating Supply Current
V+
I Q
V+ = IN_HIGH
V L = V+ = IN_HIGH (Note 3)
V L unloaded, no switching
5.2
4.5
4.2
19
5.5
V
mA
V+ Standby Supply Current
I V+STBY
V EN_ = 0V, PGOOD_ unconnected, V+ =
V IN_HIGH = 14V
0.75
1.1
mA
(V OUT1 = 5V at 1.5A,
V+ = V L = 5.2V
78
Efficiency
η
V OUT2 = 3.3V at 0.75A,
V+ = 12V
76
%
OVERVOLTAGE PROTECTOR
f SW = 1.85MHz
V+ = 16V
70
IN_HIGH Clamp Voltage
IN_HIGH
I SINK = 10mA
19
20
21
V
IN_HIGH Clamp Load
Regulation
1mA < I SINK < 50mA
160
mV
IN_HIGH Supply Current
IN_HIGH Standby Supply
Current
I IN_HIGH
I IN_HIGHSTBY
V EN_ = V PGOOD_ = V GATE = 0V,
V IN_HIGH = V ON/OFF = 14V
V ON/OFF = 0V, PGOOD_ = V+ =
unconnected, V IN_HIGH = 14V, T A = -40°C
to +85°C
270
7
600
9
μA
μA
V+ to IN_HIGH Overvoltage
Clamp
V OV
V OV = V+ - V IN_HIGH , I GATE = 0mA
(sinking)
1.2
1.85
2.5
V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5098AATJ+ | 功能描述:直流/直流开关转换器 Dual 2.2MHz Buck or Boost Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5098AATJ+T | 功能描述:直流/直流开关转换器 Dual 2.2MHz Buck or Boost Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5099 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, 2.2MHz, Automotive Synchronous Buck Converter with 80V Load-Dump Protection |
| MAX5099ATJ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual, 2.2MHz, Automotive Synchronous Buck Converter with 80V Load-Dump Protection |
| MAX5099ATJ+ | 功能描述:直流/直流开关转换器 Dual 2.2MHz Synch Buck Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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