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| 型号： | MAX1813EEI |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | Dynamically-Adjustable, Synchronous Step-Down Controller with Integrated Voltage Positioning |
| 中文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | 0.150 INCH, 0.025 INCH PITCH, QSOP-28 |
| 文件页数： | 7/38页 |
| 文件大小： | 738K |
| 代理商： | MAX1813EEI |
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M
Dynamically-Adjustable, Synchronous Step-Down
Controller with Integrated Voltage Positioning
_______________________________________________________________________________________
7
Note 2:
Output voltage accuracy specifications apply to DAC voltages from 0.6V to 2.0V.
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 (SKP/
SDN
= V
CC
, 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 differ-
ent due to MOSFET switching speeds.
Note 5:
Specifications to -40
°
C are guaranteed by design, not production tested.
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = +15V, V
CC
= V
DD
= 5V, VPCS = ZMODE = GND = PGND, SKP/
SDN
= CODE = V
CC
, V
OUT
set to 1.5V,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
4-Level Logic Input High (V
CC
)
TON (200kHz operation), S0, S1
V
CC
-
0.4
V
4-Level Logic Input Upper-
Middle (Float)
TON (300kHz operation), S0, S1
2.8
3.85
V
4-Level Logic Input Lower-
Middle (REF)
TON (600kHz operation), S0, S1
1.65
2.35
V
4-Level Logic Low (GND)
TON (1000kHz operation), S0, S1
0.5
V
SKP/
SDN
High Input Level
(Skip Mode)
2.8
6.0
V
SKP/
SDN
Float Input Level
(Forced-PWM Mode)
1.4
2.2
V
SKP/
SDN
Low Input Level
(Shutdown Mode)
0.5
V
SKP/
SDN
NO FAULT Input Level
12
15
V
SKP/
SDN
, 4-Level Logic Input
Current
SKP/
SDN
, TON, S0, S1 = GND or V
CC
-3
+3
μ
A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1813EEI+ | 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 |
| MAX1813EEI+T | 功能描述:DC/DC 开关控制器 Dynamically Adjustable Synchronous Step-Down Controller w/Integrated Voltage Positioning 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 |
| MAX1813EEI-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 |
| MAX1813EVKIT | 功能描述:DC/DC 开关控制器 Evaluation Kit for the MAX1813 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 |
| MAX1813XR46+ | 制造商:Maxim Integrated Products 功能描述: |
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