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| 型号： | MAX17020ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/34页 |
| 文件大小： | 0K |
| 描述： | IC CTLR PWM DUAL STEP DN 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 系列： | Quick-PWM™ |
| 应用： | 电源 |
| 电流 - 电源： | 1mA |
| 电源电压： | 6 V ~ 24 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 管件 |
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Dual Quick-PWM Step-Down Controller
with Low-Power LDO, RTC Regulator
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, no load on LDO, RTC, OUT1, OUT2, and REF, V IN = 12V, V DD = V CC = V SECFB = 5V, V REFIN2 = 1.0V, BYP =
LDOREFIN = GND, ONLDO = IN, ON1 = ON2 = V CC , T A = -40°C to +85°C , unless otherwise noted.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLIES
IN Standby Supply Current
IN Shutdown Supply Current
IN Supply Current
V CC Supply Current
I IN(STBY)
I IN(SHDN)
I IN
I CC
V IN = 6V to 24V, ON1 = ON2 = GND,
ONLDO = V CC
V IN = 4.5V to 24V, ON1 = ON2 = ONLDO = GND
ON1 = ON2 = REFIN2 = V CC ,
SKIP=FB1=GND,V OUT2 =3.5V,V OUT1 =5.3V
ON1 = ON2 = REFIN2 = V CC ,
SKIP = FB1 = GND, V OUT2 = 3.5V, V OUT1 = 5.3V
200
70
0.2
1.5
μA
μA
mA
mA
PWM CONTROLLERS
OUT1 Output-Voltage Accuracy
(Note 1)
OUT1 Voltage-Adjust Range
FB1 Dual-Mode Threshold
Voltage
V OUT1
V FB1
5V preset output: FB1 = GND,
V IN = 12V, SKIP = V CC
1.5V preset output: FB1 = V CC (5V),
V IN = 12V, SKIP = V CC
Adjustable feedback output,
V IN = 12V, SKIP = V CC
Low
High
4.90
1.47
0.685
0.7
0.040
V CC -
1.6V
5.10
1.53
0.715
5.5
0.125
V CC -
0.7V
V
V
V
3.3V preset output: REFIN2 = V CC (5V),
V IN = 12V, SKIP = V CC
3.234
3.366
OUT2 Output-Voltage Accuracy
(Note 1)
V OUT2
1.05V preset output: REFIN2 = RTC (3.3V),
V IN = 1.2V, SKIP = V CC
1.029
1.071
V
Tracking output: V REFIN2 = 1.0V,
V IN = 12V, SKIP = V CC
0.985
1.015
OUT2 Voltage-Adjust Range
REFIN2 Voltage-Adjust Range
0
0
2
2
V
V
REFIN2 Dual-Mode Threshold
Voltage
Low (REFIN2 = RTC)
High (REFIN2 = V CC )
2.2
V CC -
1.2V
3.0
V CC -
0.4V
V
DH1 On-Time
DH2 On-Time
Minimum Off-Time
t ON1
t ON2
t OFF(MIN)
V IN = 12V,
V OUT1 = 5.0V (Note 2)
V IN = 12V,
V OUT2 = 3.3V (Note 2)
(Note 2)
TON = GND or REF
(400kHz)
TON = V CC (200kHz)
TON = GND (500kHz)
TON = REF or V CC
(300kHz)
895
1895
475
833
1209
2315
635
1017
425
ns
ns
ns
Ultrasonic Operating Frequency
f SW(USONIC) SKIP = open (REF)
18
kHz
SECFB Threshold Voltage
V SECFB
1.92
2.08
V
_______________________________________________________________________________________
7
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相关代理商/技术参数 |
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| MAX17020ETJ+ | 功能描述:电压模式 PWM 控制器 Quick-PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX17020ETJ+T | 功能描述:电压模式 PWM 控制器 Quick-PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
| MAX17020EVKIT+ | 制造商:Maxim Integrated Products 功能描述:SINGLE QUICK-PWM STEP-DOWN CONTROLL - Boxed Product (Development Kits) |
| MAX17021EVKIT+ | 功能描述:电源管理IC开发工具 MAX17021 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX17021GTL+ | 功能描述:电压模式 PWM 控制器 Dual-Phase, Quick-Pw M Controllers For Im RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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