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参数资料
| 型号： | MAX5051EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/21页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX5051 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 15A |
| 输入电压： | 36 ~ 72V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 250kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX5051 |
Parallelable, Clamped Two-Switch
Power-Supply Controller IC
ABSOLUTE MAXIMUM RATINGS
AVIN, PVIN, XFRMRH to GND................................-0.3V to +80V
BST to GND ............................................................-0.3V to +95V
BST, DRVH to XFRMRH..........................................-0.3V to +12V
REG9, DRVDD, DRVL to GND................................-0.3V to +12V
DRVB, LXVDD, LXL, LXH to GND ..........................-0.3V to +12V
UVLO, STT, COMP, CON to GND ..........................-0.3V to +12V
FLTINT, RCFF to GND ............................................-0.3V to +12V
REG5, CS, CSS, FB to GND .....................................-0.3V to +6V
STARTUP, SYNCIN to GND......................................-0.3V to +6V
SYNCOUT, RCOSC to GND .....................................-0.3V to +6V
PGND to GND .......................................................-0.3V to +0.3V
LXL, LXH Current Continuous...........................................±50mA
DRVL, DRVH Current Continuous...................................±100mA
DRVL, DRVH Peak Current (<500ns) ....................................±5A
PVIN, REG9 Continuous Current ....................................+120mA
REG5 Continuous Current ................................................+80mA
DRVB, RCFF, RCOSC, CSS Continuous Current .............±20mA
COMP, SYNCOUT Continuous Current ............................±20mA
REG9, REG5, and COMP Short to GND ....................Continuous
Continuous Power Dissipation (T A = +70 ° C)
28-Pin TSSOP (derate 23.8mW/ ° C above +70 ° C) .....1905mW
28-Pin TSSOP ( θ JA )......................................................42 ° C/W
Operating Temperature Range .........................-40 ° C to +125 ° C
Maximum Junction Temperature (T J ) ..............................+150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° 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.
ELECTRICAL CHARACTERISTICS
(AVIN = 12V, PVIN = 12V, V UVLO = V STT = 3V, V CON = 3V, R RCOSC = 24k ? , C CSS = 10nF, C RCOSC = 100pF, C REG9 = 4.7μF,
C REG5 = 4.7μF, T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25 ° C. All driver, voltage-regulator, and refer-
ence outputs unconnected except for bypass capacitors.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY CURRENT (AVIN, PVIN)
AVIN Standby Current
PVIN Standby Current
AVIN Supply Current
I ASTBY
I PSTBY
I AVIN
V AVIN = V PVIN = 11V to 76V;
V STARTUP = V CS = 0V;
V BST = V XFRMRH = V DRVDD = V REG9 ;
RCFF floating
V AVIN = V PVIN = 11V to 76V; V CS = 0V;
300
400
0.65
450
650
1
μA
μA
mA
V BST = V DRVDD = V REG9 ; V XFRMRH = 0V;
PVIN Supply Current
AVIN Input Voltage Range
I PVIN
STARTUP, RCFF floating
Inferred from AVIN supply current test
11
8
12
76
mA
V
+9V LDO (REG9)
PVIN Input Voltage Range
REG9 Output-Voltage Set Point
REG9 Line Regulation
REG9 Load Regulation
REG9 Dropout Voltage
REG9 Undervoltage Lockout
Threshold
V PVIN
V REG9
Inferred from PVIN supply current test
V PVIN = 11V
V PVIN = 11V to 76V
I REG9 = 0 to 80mA
I REG9 = 80mA
V REG9 falling
11
8.3
5.7
0.1
0.5
76
9.0
250
6.7
V
V
mV/V
mV
V
V
REG9 Undervoltage Lockout
Threshold Hysteresis
+5V LDO (REG5)
750
mV
REG5 Output-Voltage Set Point
REG5 Load Regulation
REG5 Dropout Voltage
V REG5
I REG5 = 0 to 40mA
I REG5 = 40mA, measured with respect
to V REG9
4.8
0.5
5.1
50
V
mV
V
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5052 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Current-Mode PWM Controllers with an Error Amplifier for Isolated/Nonisolated Power Supplies |
| MAX5052AEUA | 功能描述:电流型 PWM 控制器 w/Error Amplifier RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX5052AEUA+ | 功能描述:电流型 PWM 控制器 w/Error Amplifier RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| MAX5052AEUA+T | 功能描述:电流型 PWM 控制器 w/Error Amplifier RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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