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参数资料
| 型号： | MAX8734AEEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/33页 |
| 文件大小： | 0K |
| 描述： | IC PWR SUPPLY CONTROLLER 28QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 电源控制器 |
| 输入电压： | 4.5 V ~ 24 V |
| 电流 - 电源： | 25µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-QSOP |
| 供应商设备封装： | 28-QSOP |
| 包装： | 带卷 (TR) |
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High-Efficiency, Quad-Output, Main Power-
Supply Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12V, ON3 = ON5 = V CC , V SHDN = 5V,
T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Overvoltage Fault
Propagation Delay
PGOOD Threshold
CONDITIONS
FB3 or FB5 delay with 50mV overdrive
FB3 or FB5 with respect to nominal output, falling edge,
typical hysteresis = 1%
MIN
-12
TYP
10
-9.5
MAX
-7
UNITS
μs
%
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Falling edge, 50mV overdrive
I SINK = 4mA
High state, forced to 5.5V
10
0.3
1
μs
V
μA
Thermal-Shutdown Threshold
+160
o
C
Output Undervoltage
Shutdown Threshold
Output Undervoltage
Shutdown Blanking Time
FB3 or FB5 with respect to nominal output voltage
From ON_ signal
65
10
70
22
75
35
%
ms
INPUTS AND OUTPUTS
Feedback Input Leakage Current
PRO Input Voltage
V FB3 = V FB5 = 2.2V
Low level
High level
-200
1.5
+40
+200
0.6
nA
V
Low level
0.8
SKIP Input Voltage
Float level
1.7
2.3
V
High level
2.4
TON Input Voltage
Low level
High level
2.4
0.8
V
Clear fault level/SMPS off level
0.8
ON3, ON5 Input Voltage
Delay start level
1.7
2.3
V
SMPS on level
2.4
V PRO or V TON = 0 or 5V
V ON_ = 0 or 5V
-1
-2
+1
+2
Input Leakage Current
V SKIP = 0 or 5V
V SHDN = 0 or 24V
V CS_ = 0 or 5V
V ILIM3 , V ILIM5 = 0 or 2V
-1
-1
-2
-0.2
+1
+1
+2
+0.2
μA
SHDN Input Trip Level
DH_ Gate-Driver
Sink/Source Current
DL_ Gate-Driver Source Current
DL_ Gate-Driver Sink Current
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
Rising edge
Falling edge
DH3, DH5 forced to 2V
DL3 (source), DL5 (source), forced to 2V
DL3 (sink), DL5 (sink), forced to 2V
BST - LX_ forced to 5V
DL_, high state (pullup)
DL_, low state (pulldown)
1.2
0.96
1.6
1.00
2
1.7
3.3
1.5
2.2
0.6
2.0
1.04
4.0
5.0
1.5
V
A
A
A
?
?
4
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