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参数资料
| 型号： | MAX1715EEI |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/25页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 28-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| PWM 型： | 控制器 |
| 输出数： | 2 |
| 频率 - 最大： | 620kHz |
| 占空比： | 100% |
| 电源电压： | 4.5 V ~ 5.5 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： | 28-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, 4A components from Table 1, V CC = V DD = +5V, SKIP = AGND, V+ = 15V, T A = 0°C to +85°C , unless otherwise
noted.) (Note 1)
PARAMETER
Minimum Off-Time
Quiescent Battery Current (V+)
Quiescent Supply Current
(V CC + V DD )
Shutdown Supply Current
(V CC + V DD )
Shutdown Supply Current (V+)
Reference Voltage
Reference Load Regulation
CONDITIONS
(Note 3)
FB1 and FB2 forced above the regulation point
ON1 = ON2 = 0
ON1 = ON2 = 0
No external REF load
I REF = 0 to 50μA
MIN
1.98
TYP
400
25
1100
<1
<1
2
2
MAX
500
70
1600
5
5
2.02
0.01
UNITS
ns
μA
μA
μA
μA
V
V
REF Sink Current
REF Fault Lockout Voltage
REF in regulation
Falling edge, hysteresis = 40mV
10
1.6
μA
V
Overvoltage Trip Threshold
Overvoltage Fault Propagation
Delay
Output Undervoltage Threshold
Output Undervoltage Lockout
Time
Current-Limit Threshold
(Positive Direction, Fixed)
Current-Limit Threshold
(Positive Direction, Adjusted)
Current-Limit Threshold
(Negative Direction)
Current-Limit Threshold, Zero
Crossing
Thermal Shutdown Threshold
With respect to error comparator threshold
FB_ forced 2% above trip threshold
With respect to error comparator threshold
From ON_ signal going high
PGND - LX_, I LIM = V CC
PGND - LX_, I LIM resistor = 100k Ω
PGND - LX_, I LIM resistor = 400k Ω
PGND - LX_, T A = +25°C, I LIM = V CC
PGND - LX_, SKIP = AGND
Hysteresis = 10°C
8.5
60
10
75
40
160
-145
-5
10.5
1.5
70
20
100
50
200
-120
3
150
13
80
30
125
60
240
-95
10
%
μs
%
ms
mV
mV
mV
mV
°C
V CC Undervoltage Lockout
Threshold
DH Gate Driver On-Resistance
DL Gate Driver On-Resistance
(pull-up)
DL Gate Driver On-Resistance
(pull-down)
Rising edge, hysteresis = 20mV, PWM disabled below
this level
BST - LX forced to 5V
DL, high state
DL, low state
4.1
1.5
1.5
0.6
4.4
5
5
2.5
V
Ω
Ω
Ω
DH Gate Driver Source/Sink
Current
DL Gate Driver Source Current
DL Gate Driver Sink Current
Dead Time
Logic Input High Voltage
Logic Input Low Voltage
DH forced to 2.5V, BST_ - LX_ forced to 5V
DL forced to 2.5V
DL forced to 2.5V
DL rising
DH rising
ON_, SKIP
ON_, SKIP
2.4
1
1
3
35
26
0.8
A
A
A
ns
V
V
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相关代理商/技术参数 |
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| MAX1715EEI+ | 功能描述:DC/DC 开关控制器 Dual Step-Down 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 |
| MAX1715EEI+T | 功能描述:DC/DC 开关控制器 Dual Step-Down 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 |
| MAX1715EEI-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 |
| MAX1715EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX1715 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 |
| MAX1716EEG | 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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