参数资料
型号: MAX5070AASA+T
厂商: Maxim Integrated Products
文件页数: 5/22页
文件大小: 0K
描述: IC REG CTRLR FLYBK DIV ISO 8SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1MHz
占空比: 97.5%
电源电压: 10.8 V ~ 25 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
High-Performance, Single-Ended, Current-Mode
PWM Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +15V, R T = 10k ? , C T = 3.3nF, V VREF = OPEN, C VREF = 0.1μF, COMP = OPEN, V FB = 2V, CS = GND, T A = -40°C to +125°C ,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT-SENSE AMPLIFIER
Gain
Maximum Current-Sense Signal
Power-Supply Rejection Ratio
Input Bias Current
Delay From CS to OUT
A CS
V CS_MAX
PSRR
I CS
t CS_DELAY
(Notes 3, 4)
MAX5070A/B (Note 3)
V COMP = 5V, MAX5071_
12V ≤ V CC ≤ 25V
50mV overdrive
2.85
0.95
0.95
3
1
1
70
-1
60
3.26
1.05
1.05
-2.5
V/V
V
dB
μA
ns
MOSFET DRIVER
OUT Low-Side On-Resistance
OUT High-Side On-Resistance
I SOURCE (Peak)
I SINK (Peak)
Rise Time
Fall Time
V RDS_ONL
V RDS_ONH
I SOURCE
I SINK
t r
t f
I SINK = 200mA
I SOURCE = 100mA
C OUT = 10nF
C OUT = 10nF
C OUT = 1nF
C OUT = 1nF
4.5
3.5
2
1
15
22
12
9
?
?
A
A
ns
ns
UNDERVOLTAGE LOCKOUT/STARTUP
Startup Voltage Threshold
Minimum Operating Voltage After
Turn-On
Undervoltage-Lockout Hysteresis
V CC_START
V CC_MIN
UVLO HYST
15.2
9.2
16
10
6
16.8
10.8
V
V
V
PWM
Maximum Duty Cycle
D MAX
MAX5070A/MAX5071A
MAX5070B/MAX5071B/MAX5071C
94.5
48
96
49.8
97.5
50
%
Minimum Duty Cycle
D MIN
0
%
SUPPLY CURRENT
Startup Supply Current
I START
32
65
μA
Operating Supply Current
I CC
V FB = V CS = 0V
3
5
mA
Zener Bias Voltage at V CC
V Z
I CC = 25mA
24
26.5
V
THERMAL SHUTDOWN
Thermal Shutdown
Thermal-Shutdown Hysteresis
T SHDN
T HYST
+150
4
°C
°C
SYNCHRONIZATION (MAX5071A/MAX5071B only, Note 5)
SYNC Frequency Range
f SYNC
20
1000
kHz
SYNC Clock Input High
Threshold
SYNC Clock Input Low Threshold
SYNC Clock Input Minimum
Pulse Width
V SYNCINH
V SYNCINL
t PW_SYNCIN
3.5
200
0.8
V
V
ns
SYNC Clock Output High Level
V SYNCOH
1mA external pulldown
4.0
4.7
V
SYNC Clock Output Low Level
V SYNCOL
R SYNC = 5k ?
0
0.1
V
_______________________________________________________________________________________
5
相关PDF资料
PDF描述
MAX8548EUB+T IC REG CTRLR BUCK PWM VM 10-UMAX
H4BBG-10112-Y1-ND JUMPER-H9991TR/A3047Y/H9991TR12"
H4BBG-10112-W1-ND JUMPER-H9991TR/A3047W/H9991TR12"
VE-BTX-EV-F2 CONVERTER MOD DC/DC 5.2V 150W
ISL6327ACRZ-T IC REG CTRLR BUCK PWM 48-QFN
相关代理商/技术参数
参数描述
MAX5070AAUA 功能描述:电流型 PWM 控制器 Single-Ended 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
MAX5070AAUA+ 功能描述:电流型 PWM 控制器 Single-Ended 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
MAX5070AAUA+T 功能描述:电流型 PWM 控制器 Single-Ended 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
MAX5070AAUA-T 功能描述:电流型 PWM 控制器 Single-Ended 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
MAX5070BAPA+ 制造商:Maxim Integrated Products 功能描述:HIGH-PERFORMANCE, SINGLE-ENDED, CURRENT-MODE PWM CONTROLLERS - Rail/Tube