参数资料
型号: MAX17499AEUB+T
厂商: Maxim Integrated Products
文件页数: 3/18页
文件大小: 0K
描述: IC REG CTRLR BST ISO PWM 10-UMAX
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: 625kHz
占空比: 50%
电源电压: 9.5 V ~ 24 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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
Current-Mode PWM Controllers with
Programmable Switching Frequency
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +12V (for MAX17500, bring V IN up to 23.6V for startup), 10nF bypass capacitors at IN and V CC , R12 = 15k Ω (MAX17499A/
MAX17500A), R12 = 7.5k Ω (MAX17499B/MAX17500B), R15 = 1k Ω , C6 = 100nF (see the Typical Application Circuit), NDRV = open,
V UVLO/EN = +1.4V, V FB = +1.0V, COMP = open, V CS = 0V, T A = -40°C to +125°C, unless otherwise noted. Typical values are at T A =
+25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GATE DRIVER
Driver Output Impedance
Driver Peak Sink Current
Driver Peak Source Current
R ON(LOW) Measured at NDRV sinking 100mA
R ON(HIGH) Measured at NDRV sourcing 20mA
2
4
1
0.65
4
10
Ω
A
A
PWM COMPARATOR
Comparator Offset Voltage
CS Input Bias Current
Comparator Propagation Delay
V PWM
I CS
t PWM
V COMP - V CS
V CS = 0V
Change in V CS = 0.1V
1.24
-4
1.38
60
1.54
+4
V
μA
ns
CURRENT-LIMIT COMPARATOR
Current-Limit Trip Threshold
V CS
900
1000
1100
mV
CS Input Bias Current
Propagation Delay from
Comparator Input to NDRV
I CS
t PDCS
V CS = 0V
100mV overdrive
-4
60
+4
μA
ns
IN CLAMP VOLTAGE
IN Clamp Voltage
V INC
2mA sink current (Note 2)
24.1
26.1
29.0
V
ERROR AMPLIFIER
Voltage Gain
Unity-Gain Bandwidth
Phase Margin
FB Input Offset Voltage
COMP High Voltage
COMP Low Voltage
Source Current
Sink Current
R LOAD = 100k Ω
R LOAD = 100k Ω , C LOAD = 200pF
R LOAD = 100k Ω , C LOAD = 200pF
I COMP = 0A
I COMP = 0A
2.5
0.5
0.5
80
2
65
±1
1.1
dB
MHz
Degrees
mV
V
V
mA
mA
Reference Voltage
Reference Voltage Accuracy
FB Input Bias Current
COMP Short-Circuit Current
V REF
(Note 3)
-1.5
-50
1.230
8
+1.5
+50
V
%
nA
mA
DIGITAL SOFT-START
Soft-Start Duration
t SS
1984
NDRV
cycles
Reference Voltage Steps During
Soft-Start
Reference Voltage Step
f SW = 350kHz
5.6
31
39.67
ms
Steps
mV
_______________________________________________________________________________________
3
相关PDF资料
PDF描述
ECM24DRST CONN EDGECARD 48POS DIP .156 SLD
EMC17DRTI-S13 CONN EDGECARD 34POS .100 EXTEND
DS1233T-10+T&R/STR IC ECONORESET 5V TO92-3
VE-21R-EW-F1 CONVERTER MOD DC/DC 7.5V 100W
ACC13DREN-S13 CONN EDGECARD 26POS .100 EYELET
相关代理商/技术参数
参数描述
MAX17499BAUB+ 功能描述:电流型 PWM 控制器 电流型 PWM 控制器 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
MAX17499BAUB+T 功能描述:电流型 PWM 控制器 电流型 PWM 控制器 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
MAX17499BEUB+ 功能描述:电流型 PWM 控制器 w/Prog Switch Frequency 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
MAX17499BEUB+T 功能描述:电流型 PWM 控制器 w/Prog Switch Frequency 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
MAX1749EUK 制造商:Maxim Integrated Products 功能描述:SOT23 VIBRATOR MOTOR DRIVER - Rail/Tube