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参数资料
| 型号： | MC34827A2EPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 6/57页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 20-QFN |
| 标准包装： | 1 |
| 应用： | OR 控制器，UART/USB 数据，音频管理 |
| 电流 - 电源： | 9µA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-UFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN-EP（3x4） |
| 包装： | 标准包装 |
| 其它名称： | MC34827A2EPR2DKR |
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ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 3. Static Electrical Characteristics
Characteristics noted under conditions V DD = 3.6 V, V BUS = 5.0 V, V DDIO = 3.0 V, -40 °C ≤ T A ≤ 85 °C (see Figure 1 ), unless
otherwise noted. Typical values noted reflect the approximate parameter means at V DD = 3.6 V and T A = 25 °C under nominal
conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
POWER INPUT
Recommended Operating Voltage Range for VDD Supply Voltage
V DD
2.7
-
5.5
V
VDD Power-on Reset Threshold
V VDDPOR
Rising edge
Hysteresis
VDD Quiescent Current
In Standby mode
In Power Save mode
When accessory is attached & INT_MASK = ‘1’
In Active mode (VDD < VBUS)
In Active mode (VDD > VBUS)
I VDD
-
-
-
-
-
-
-
2.5
100
9.0
12
125
550
850
2.65
-
12
18
160
650
1000
V
mV
μ A
VBUS Supply Voltage
V BUS
2.8
5.0
28
V
VBUS Detection Threshold Voltage
V BUS_DET
Rising edge
Hysteresis
-
-
2.65
150
2.80
-
V
mV
VBUS Supply Quiescent Current
I VBUS
In VBUS power mode
In Active mode - Dedicated Charger
In Active mode - Audio or TTY (7) (VBUS < VDD)
-
-
-
-
-
-
1.2
1.2
0.5
mA
mA
μ A
VBUS Over-voltage Protection Threshold
V BUS_OVP
Rising edge
Hysteresis
6.8
-
7.0
150
7.2
-
V
mV
VBUS Over-current Protection
I BUS_OCP
Triggering threshold (at onset of OTP shutoff)
Over-temperature Protection Threshold
Rising threshold
Falling threshold
T OTP
1.2
115
-
1.8
130
95
2.2
145
-
A
°C
VDDIO Supply Voltage
V DDIO
1.65
-
3.6
V
SWITCH
ISET Open-drain Output MOSFET
On resistance (loaded by 3.0 mA current)
Leakage current (when the MOSFET is off at 5.0 V bias voltage)
R ISET
I ISET_OFF
-
-
-
-
100
0.5
Ω
μ A
OUT Pin Discharge MOSFET (16)
On resistance (loaded by 3.0 mA current)
Leakage current (when the MOSFET is off at 5.0 V bias voltage)
R OUT_DISC
I OUT_OFF
-
-
-
0.5
100
-
Ω
μ A
Notes
7. This is an important specification because when an audio accessory is attached, the VBUS line is connected to the microphone. The
quiescent current will affect the bias of the microphone.
8. The OUT pin discharge MOSFET is shown in Figure 20 . This MOSFET will be turned on when the power MOSFET is off.
MC34827
Analog Integrated Circuit Device Data
6
Freescale Semiconductor
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