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| 型号： | MAX1716EEG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/33页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 24-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 550kHz |
| 占空比： | 100% |
| 电源电压： | 2 V ~ 28 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： | 24-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
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High-Speed, Adjustable, Synchronous Step-Down
Controllers with Integrated Voltage Positioning
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = +15V, V CC = V DD = 5V, SKIP = V CC , VPS = PGND, T A = -40 ° C to +85 ° C , unless otherwise noted.) (Note 6)
PARAMETER
Current-Limit Threshold
(Positive, Default)
SYMBOL
V ITH
CONDITIONS
V PGND - V CS , ILIM = V CC
MIN
100
TYP
MAX
140
UNITS
mV
Current-Limit Threshold
(Positive, Adjustable)
V ITH
V PGND - V CS
V ILIM = 0.5V
V ILIM = 2V (REF)
35
160
65
240
mV
V CC Undervoltage Lockout
Threshold
VGATE Lower Trip Threshold
VGATE Upper Trip Threshold
VGATE Output Low Voltage
VGATE Leakage Current
Rising edge, hysteresis = 20mV, switching
disabled below this level
Measured at FB with respect to unloaded
output voltage, falling edge
Measured at FB with respect to unloaded
output voltage, rising edge
I SINK = 1mA
High state, forced to 5.5V
4.0
-12.5
7.5
4.45
-7.5
12.5
0.4
1
V
%
%
V
μ A
GATE DRIVERS
DH Gate Driver On-Resistance
DL Gate Driver On-Resistance
R ON(DH)
R ON(DL)
V BST - V LX forced to 5V
High state (pullup)
Low state (pulldown)
5
5
1.7
?
?
LOGIC AND I/O
Logic Input High Voltage
Logic Input Low Voltage
V IH
V IL
D0 ? D4, SHDN , SKIP
D0 ? D4, SHDN , SKIP
2.4
0.8
V
V
TON = V CC (200kHz operation)
V CC - 0.4
TON Input Levels
TON = open (300kHz operation)
TON = REF (400kHz operation)
3.15
1.65
3.85
2.35
V
TON = GND (550kHz operation)
0.5
Logic Input Current
D0 ? D4 Pullup Current
TON = GND or V CC
SHDN , SKIP = GND or V CC
D0 ? D4 = GND
-3
-1
3
3
1
10
μ A
μ A
Note 2: Output voltage accuracy specifications apply to DAC voltages from 0.6V to 2.0V. Includes load-regulation error.
Note 3: When the inductor is in continuous conduction, the output voltage will have a DC regulation level higher than the error-com-
parator threshold by 50% of the ripple. In discontinuous conduction ( SKIP = GND, light load), the output voltage will have a
DC regulation level higher than the trip level by approximately 1.5% due to slope compensation.
Note 4: On-time and off-time specifications are measured from 50% to 50% at the DH pin, with LX forced to 0, BST forced to 5V, and
a 500pF capacitor from DH to LX to simulate external MOSFET gate capacitance. Actual in-circuit times may be different
due to MOSFET switching speeds.
Note 5: The MAX1854 does not have overvoltage protection.
Note 6: Specifications to -40 ° C are guaranteed by design, not production tested.
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
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| MAX1716EEG+ | 功能描述:DC/DC 开关控制器 Adj Synchronous Step-Down 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+T | 功能描述:DC/DC 开关控制器 Adj Synchronous Step-Down 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-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 |
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| MAX1717BEEG | 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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