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参数资料
| 型号： | MAX8734AEEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/33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+ = 12.0.V, ON3 = ON5 = V CC , V SHDN = 5V,
T A = -40°C to +85°C , unless otherwise noted.) (Note 1)
PARAMETER
LDO5 Bootstrap Switch Threshold
LDO5 Bootstrap Switch
Resistance
LDO3 Output Voltage
LDO3 Bootstrap Switch Threshold
LDO3 Bootstrap
Switch Resistance
REF Output Voltage
CONDITIONS
Falling edge of OUT5, rising edge at OUT5 regulation
point
LDO5 to OUT5, V OUT5 = 5V
ON3 = ON5 = GND, 6V < V+ < 24V, 0 < I LDO3 < 100mA
Falling edge of OUT3, rising edge at OUT3 regulation
point
LDO3 to OUT3, V OUT3 = 3.2V
No external load
MIN
4.43
3.27
2.80
1.975
TYP
MAX
4.69
3.2
3.43
3.02
3.5
2.025
UNITS
V
?
V
V
?
V
REF Load Regulation
REF Sink Current
V+ Operating Supply Current
V+ Standby Supply Current
V+ Shutdown Supply Current
Quiescent Power Consumption
0 < I LOAD < 50μA
REF in regulation
LDO5 switched over to OUT5, 5V SMPS
V+ = 6V to 24V, both SMPSs off, includes I SHDN
V+ = 4.5V to 24V
Both SMPSs on, FB3 = FB5 = SKIP = GND, V OUT3 =
3.5V, V OUT5 = 5.3V
10
10
50
300
15
4.5
mV
μA
μA
μA
μA
mW
FAULT DETECTION
Overvoltage Trip Threshold
PGOOD Threshold
PGOOD Output Low Voltage
PGOOD Leakage Current
Output Undervoltage Shutdown
Threshold
Output Undervoltage Shutdown
Blanking Time
FB3 or FB5 with respect to nominal regulation point
FB3 or FB5 with respect to nominal output, falling edge,
typical hysteresis = 1%
I SINK = 4mA
High state, forced to 5.5V
FB3 or FB5 with respect to nominal output voltage
From ON_ signal
+8
-12
65
10
+14
-7
0.3
1
75
40
%
%
V
μA
%
ms
INPUTS AND OUTPUTS
Feedback Input Leakage Current
PRO Input Voltage
V FB3 = V FB5 = 2.2V
Low level
High level
-200
1.5
+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
6
_______________________________________________________________________________________
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