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参数资料
| 型号： | MAX5051EVKIT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/21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
ELECTRICAL CHARACTERISTICS (continued)
(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
SYNCOUT Voltage High
SYMBOL
CONDITIONS
Sourcing 1.2mA
MIN
4.5
TYP
MAX
5.1
UNITS
V
SYNCOUT Voltage Low
RCOSC Peak Trip Level
RCOSC Valley Trip Level
RCOSC Input Bias Current
V TH
Sinking 2.4mA
2.5
0.2
-0.3
0.3
V
V
V
μA
RCOSC Discharge MOSFET
R DS(ON)
RCOSC Discharge Pulse Width
Sinking 10mA
50
50
100
?
ns
UNDERVOLTAGE LOCKOUT (UVLO)
UVLO Threshold
V UVLO
V UVLO rising
1.18
1.24
1.30
V
UVLO Hysteresis
V HYS
130
mV
UVLO Input Bias Current
I BUVLO
V UVLO = 2.5V
-100
+100
nA
PWM COMPARATOR
RCFF Input Voltage Range
0
3
V
Feed-Forward Discharge
MOSFET R DS(ON)
CON Input Voltage Range
R DS(RCFF)
Sinking 10mA
0
50
100
6
?
V
RCFF Level-Shift Voltage
CON Input Bias Current
Propagation Delay to Output
V CPWM
I CON
t dCPWM
DRVH, DRVL = unconnected, overdrive =
50mV, measured from CON to DRVL
2.2
-2
90
2.4
+2
V
μA
ns
SYNCHRONOUS RECTIFIER PULSE TRANSFORMER DRIVER (LXVDD, LXH, LXL)
High-Side MOSFET R DS(ON)
Low-Side MOSFET R DS(ON)
R DSLXH
R DSLXL
LXH sourcing 10mA, V LXVDD = V REG5
LXL sinking 10mA, V LXVDD = V REG5
3
2.0
6.5
5
12
10
?
?
LXH Rising to DRVL Rising Delay
CURRENT-LIMIT COMPARATOR (CS)
90
ns
Current-Limit Threshold Voltage
V ILIM
144
154
164
mV
Current-Limit Input Bias Current
Propagation Delay to Output
I BILIM
t dILIM
0 < V CS < 0.3V
DRVH, DRVL = unconnected, overdrive =
10mV, measured from CS to DRVL
-2
100
+2
μA
ns
LOW-SIDE MOSFET DRIVER (DRVDD, DRVL, PGND)
Peak Source Current
Peak Sink Current
V DRVL = 0V, pulse width < 100ns;
V DRVDD = V REG9
V DRVL = V REG9 , pulse width < 100ns;
V DRVDD = V REG9
2
5
A
A
DRVL Resistance Sourcing
DRVL Resistance Sinking
I DRVL = 50mA, V DRVDD = V REG9
I DRVL = -50mA, V DRVDD = V REG9
1.7
0.6
3.5
1.4
?
?
4
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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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