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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： 3/38页
文件大小： 738K
代理商： MAX1813
M
Dynamically-Adjustable, Synchronous Step-Down
Controller with Integrated Voltage Positioning
_______________________________________________________________________________________
3
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
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Quiescent Supply Current (V
DD
)
I
DD
Measured at V
DD
, FB forced above the
regulation point
<1
5
μ
A
Quiescent Supply Current (V+)
Shutdown Supply Current (V
CC
)
Shutdown Supply Current (V
DD
)
Shutdown Supply Current (V+)
Reference Voltage
REF Fault Lockout Voltage
FAULT PROTECTION
I+
Measured at V+
SKP/
SDN
= GND
SKP/
SDN
= GND
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
25
2
<1
<1
2
1.6
40
5
5
5
2.02
1.7
μ
A
μ
A
μ
A
μ
A
V
V
V
REF
1.98
1.5
CODE = GND
CODE = V
CC
2.20
1.95
2.25
2.00
2.30
2.05
Output Overvoltage Fault Preset
Threshold
V
OVP
Measured at FB
V
Output Overvoltage Fault
Propagation Delay
t
OVP
FB forced to 2% above trip threshold
1.5
μ
s
Output Undervoltage Fault
Threshold
With respect to unloaded output voltage
60
70
80
%
Output Undervoltage Fault
Propagation Delay
FB forced to 2% below trip threshold
10
μ
s
Output Undervoltage Fault-
Blanking Time
From SKP/
SDN
signal going high, clock
speed set by R
TIME
256
clks
Current-Limit Threshold (Positive,
Default)
V
ITH
V
GND
- V
VPCS
, ILIM = V
CC
40
50
60
mV
V
ILIM
= 0.5V
V
ILIM
= 2V (REF)
40
143
50
200
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
-72
-56
-40
mV
Zero-Crossing Current-Limit
Threshold
V
GND
- V
VPCS
5
mV
Thermal Shutdown Threshold
Rising temperature, hysteresis = 15
°
C
160
°
C
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
-12.5
-10.5
%
PGOOD Upper Trip Threshold
Measured at FB with respect to unloaded
output voltage, rising edge
8
10
12
%
PGOOD Propagation Delay
Falling edge, FB forced 2% below or
above PGOOD trip threshold
1.5
μ
s
PGOOD Output Low Voltage
PGOOD Leakage Current
I
SINK
= 1mA
High state, forced to 5.5V
0.4
1
V
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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