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参数资料
| 型号： | MAX5068CAUE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 96 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1.25MHz |
| 占空比： | 75% |
| 电源电压： | 10.8 V ~ 24 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 包装： | 管件 |
High-Frequency, Current-Mode PWM Controller
with Accurate Programmable Oscillator
ABSOLUTE MAXIMUM RATINGS
IN to PGND ............................................................-0.3V to +30V
IN to AGND.............................................................-0.3V to +30V
V CC to PGND..........................................................-0.3V to +13V
V CC to AGND..........................................................-0.3V to +13V
FB, COMP, CS, HYST, SYNC, REG5 to AGND ........-0.3V to +6V
UVLO/EN, RT, DT, SCOMP, FLTINT to AGND .........-0.3V to +6V
NDRV to PGND...........................................-0.3V to (V CC + 0.3V)
AGND to PGND .....................................................-0.3V to +0.3V
Continuous Power Dissipation
16-Pin TSSOP-EP (derate 21.3mW/°C above +70°C) ...1702mW
Operating Temperature Range..........................-40°C to +125°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-60°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
(V IN = +12V for the MAX5068B/E/F; V IN = +23.6V for the MAX5068A/C/D at startup, then reduces to +12V; C IN = C REG5 = 0.1μF;
C VCC = 1μF; R RT = 100k ? ; NDRV = floating; T A = T MIN to T MAX , unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
UNDERVOLTAGE LOCKOUT/STARTUP
Bootstrap UVLO Wake-Up Level
Bootstrap UVLO Shutdown Level
UVLO/EN Wake-Up Threshold
UVLO/EN Shutdown Threshold
HYST FET On-Resistance
HYST FET Leakage Current
IN Supply Current In
Undervoltage Lockout
IN Range
V SUVR
V SUVF
V ULR2
V ULF2
R DS(ON)_H
I LEAK_H
I START
V IN
V IN rising, MAX5068A/C/D only
V IN falling, MAX5068A/C/D only
V UVLO/EN rising
V UVLO/EN falling
MAX5068A/B/D/F only, sinking 50mA,
V UVLO/EN = 0V
V UVLO/EN = 2V, V HYST = 5V
V IN = +19V, V UVLO/EN < V ULF2
19.68
9.05
1.205
10.8
21.6
9.74
1.230
1.18
10
3
47
23.60
10.43
1.255
90
24.0
V
V
V
V
?
nA
μA
V
INTERNAL SUPPLIES (V CC and REG5)
V CC Regulator Set Point
V CCSP
V IN = +10.8V to +24V, V CC sourcing 1μA to 25mA
7.0
10.5
V
REG5 Output Voltage
V REG5
I REG5 = 0 to 1mA
4.85
5.00
5.15
V
REG5 Short-Circuit Current Limit
I REG5_SC
18
mA
IN Supply Current After Startup
Shutdown Supply Current
I IN
I IN_SD
V IN = +24V
f SW = 1.25MHz
f SW = 100kHz
5
2.5
90
mA
μA
GATE DRIVER (NDRV)
Driver Output Impedance
Z OUT(LOW) NDRV sinking 100mA
Z OUT(HIGH) NDRV sourcing 25mA
2
3
4
6
?
Driver Peak Output Current
I NDRV
Sinking
Sourcing
1000
650
mA
PWM COMPARATOR
Comparator Offset Voltage
Comparator Propagation Delay
Minimum On-Time
V OS_PWM
t PD_PWM
t ON(MIN)
V COMP - V CS
V CS = 0.1V
Includes t CS_BLANK
1.30
1.60
40
110
2.00
V
ns
ns
CURRENT-LIMIT COMPARATOR
Current-Limit Trip Threshold
V CS
298
314
330
mV
2
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5068CAUE+ | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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 |
| MAX5068CAUE+T | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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 |
| MAX5068CAUE-T | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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 |
| MAX5068CWP | 制造商:Maxim Integrated Products 功能描述: |
| MAX5068DAUE | 功能描述:电流型 PWM 控制器 High-Frequency Current-Mode PWM 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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