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参数资料
| 型号： | MAX1761EEE+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/23页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| PWM 型： | 电流模式 |
| 输出数： | 2 |
| 频率 - 最大： | 428kHz |
| 电源电压： | 4.5 V ~ 20 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
Small, Dual, High-Efficiency
Buck Controller for Notebooks
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, C VL = 4.7μF, C REF = 0.1μF, VL not externally driven unless otherwise noted, T A = -40 ° C to +85 ° C ,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLERS
Input Voltage Range
V+
VL
(Note 2)
VL externally driven (Note 2)
4.5
4.75
20
5.25
V
DC Output Voltage Accuracy
(Note 3)
V OUT_
V+ = 4.5V to 20V,
VL = 4.75V to 5.25V,
ON2 = VL
FB_ = OUT_
FB1 = GND
FB2 = GND
0.99
2.475
1.782
1.01
2.525
1.818
V
Output Voltage Adjust Range
OUT_ Input Resistance
1
80
5.5
300
V
k ?
FB_ Input Bias Current
CS_ Input Bias Current
Soft-Start Ramp Time
V FB_ = 1V, VL = 5V
V CS_ = 0, VL = 5V
Zero to full ILIM
-0.1
-1
0.1
1
μA
μA
μs
On-Time (Note 4)
Minimum Off-Time (Note 4)
t ON
t OFF
V+ = 10V, V OUT1 = 2.5V,
V OUT2 = 1.8V
Above regulation point
OUT1
OUT2
661
648
809
792
500
ns
ns
BIAS AND REFERENCE
IL
FB1 = FB2 = GND, VL = 5V, V OUT1 and
V OUT2 forced above regulation point
1.2
mA
Quiescent Supply Current
I+
FB1 = FB2 = GND, V OUT1
and V OUT2 forced above
VL undriven
1.7
mA
regulation point
VL = 5V
0.5
Shutdown Supply Current
IL
I+
VL = 5V, ON1 = ON2 = GND
VL = 0, 5V
10
10
μA
μA
VL Output Voltage
Reference Voltage
Reference Load Regulation
REF Sink Current
VL
V REF
I REF
I LOAD = 0 to 25mA, V+ = 5V to 20V
V+ = 5V to 20V, no load
I REF = 0 to 50μA
REF in regulation
4.5
1.98
10
4.75
2.02
8
V
V
mV
μA
FAULT PROTECTION
Output Undervoltage Threshold
(Foldback)
V FB,UVFB
With respect to the regulation point, no load
60
80
%
Output Undervoltage Lockout
Timer
Current-Limit Threshold
V FB,UVLO(t) Measured from ON_ signal going high
GND – CS_, positive direction
GND – CS_, negative direction, ON2 = floating
10
92
-135
32
108
-105
ms
mV
VL Undervoltage Lockout
Threshold
V VL,UVLO
Rising edge, hysteresis = 20mV, PWM is
disabled below this voltage
4.1
4.4
V
4
_______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX1761EEE+ | 功能描述:DC/DC 开关控制器 Dual Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1761EEE+T | 功能描述:DC/DC 开关控制器 Dual Buck Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1761EEE-T | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1761EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX1761 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1762EUB | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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