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参数资料
型号： MAX1813
厂商： Maxim Integrated Products, Inc.
元件分类： 数字信号处理
英文描述： Replaced by TMS320VC5506 : Digital Signal Processors 144-LQFP
中文描述： 动态可调、同步降压型控制器，集成电压定位电路
文件页数： 6/38页
文件大小： 738K
代理商： MAX1813
M
Dynamically-Adjustable, Synchronous Step-Down
Controller with Integrated Voltage Positioning
6
_______________________________________________________________________________________
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
5
2.02
1.7
UNITS
μ
A
V
V
Shutdown Supply Current (V+)
Reference Voltage
REF Fault Lockout Voltage
FAULT PROTECTION
SKP/
SDN
= GND, V
CC
= V
DD
= 0 or 5V
V
CC
= 4.5V to 5.5V, -40
μ
A
≤
I
REF
≤
+40
μ
A
Falling edge, 1% hysteresis
V
REF
1.98
1.5
CODE = GND
CODE = V
CC
2.20
1.95
2.30
2.05
Output Overvoltage Fault Preset
Threshold
V
OVP
Measured at FB
V
Output Undervoltage Fault
Threshhold
With respect to unloaded output voltage
60
80
%
Current-Limit Threshold
(Positive, Default)
V
ITH
V
GND
- V
VPCS
, ILIM = V
CC
40
60
mV
V
ILIM
= 0.5V
V
ILIM
= 2V (REF)
40
143
60
265
Current-Limit Threshold
(Positive, Adjustable)
V
ITH
V
GND
- V
VPCS
mV
Negative Current-Limit Threshold
V
GND
- V
VPCS
, with respect to V
ITH
,
ILIM = V
CC
-75
-35
mV
V
CC
Undervoltage Lockout
Threshold
Rising edge, hysteresis = 20mV, switching
disabled below this level
4.05
4.45
V
PGOOD Lower Trip Threshold
Measured at FB with respect to unloaded
output voltage, falling edge
-15
-10.5
%
PGOOD Upper Trip Threshold
Measured at FB with respect to unloaded
output voltage, rising edge
8
12
%
PGOOD Output Low Voltage
PGOOD Leakage Current
GATE DRIVERS
DH Gate Driver On-Resistance
I
SINK
= 1mA
High state, forced to 5.5V
0.4
1
V
μ
A
R
ON D H
V
BST
- V
LX
forced to 5V
High state (pull up)
Low state (pull down)
3.5
3.5
1.0
DL Gate Driver On-Resistance
R
ON(DL)
LOGIC AND I/O
Logic Input High Voltage
V
IH
D0
D4, CODE, SUS, ZMODE; V
CC
= 4.5V
to 5.5V
2.4
V
Logic Input Low Voltage
V
IL
D0
D4, CODE, SUS, ZMODE; V
CC
= 4.5V
to 5.5V
0.8
V
DAC Z-Mode Programming
Resistor, Low
D0
D4, 0 to 0.4V or 2.6V to 5.5V applied to
the resistor, ZMODE = CODE = GND or
ZMODE = CODE = V
CC
D0
D4, 0 to 0.4V or 2.6V to 5.5V applied to
the resistor, ZMODE = CODE = GND or
ZMODE = CODE = V
CC
D0
D4, CODE = V
CC
SUS, ZMODE = GND or V
CC
1.05
k
DAC Z-Mode Programming
Resistor, High
95
k
-1
-1
+1
+1
Logic Input Current
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+ 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
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