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| 型号： | MC34704BEPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 10/54页 |
| 文件大小： | 0K |
| 描述： | IC PWR MNGMT DC-DC MULT 56-QFN |
| 特色产品： | MC34704 Multi-channel Power Management IC (PMIC) |
| 标准包装： | 1 |
| 应用： | 处理器 |
| 电流 - 电源： | 86mA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-VFQFN 裸露焊盘 |
| 供应商设备封装： | 56-QFN-EP（7x7） |
| 包装： | 标准包装 |
| 产品目录页面： | 809 (CN2011-ZH PDF) |
| 其它名称： | MC34704BEPR2DKR |
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ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 4. Static Electrical Characteristics (continued)
Characteristics noted under conditions 2.7 V ≤ V IN ≤ 5.5 V, - 20 ° C ≤ T A ≤ 85 ° C, GND = 0 V, unless otherwise noted. Typical
values noted reflect the approximate parameter means at T A = 25°C under nominal conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
REGULATOR 2
Output Voltage Range
Output Accuracy
Line/Load Regulation (11)
Feedback Reference Voltage
Dynamic Voltage Scaling Range
Dynamic Voltage Scaling Step Size
V OUT
-
REG LN/LD
V FB
V DYN
V DYN_STEP
0.6
-2.0
-1.0
-
-17.5
-
3.3
-
-
0.600 (12)
-
2.5
3.6
2.0
1.0
-
17.5
-
V
%
%
V
%
%
Continuous Output Current
I OUT
-
200
500
mA
Over-current Limit (Detected in buck high side FET)
Short-circuit Current Limit (Detected in buck high side FET)
Battery Over-current Limit Accuracy
N-CH Buck Switch Power MOSFET R DS(ON)
N-CH Buck Synch. Power MOSFET R DS(ON)
N-CH Boost Switch Power MOSFET R DS(ON)
N-CH Boost Synch. Power MOSFET R DS(ON)
Discharge MOSFET R DS(ON)
Thermal Shutdown Threshold (11)
Thermal Shutdown Hysteresis (11)
PVIN2 Leakage Current (Off State) @25°C
SW2D Leakage Current (Off State) @25°C
SW2U Leakage Current (Off State) @25°C
I LIM_ION
I SHORT_ION
-
R DS(ON) - SW
R DS(ON) - SY
R DS(ON) - SW
R DS(ON) - SY
R DS(ON) - DIS
T SD
T SD-HYS
I PVIN2G_LKG
I SW2D_LKG
I SW2U_LKG
-
-
-20
-
-
-
-
-
-
-
-
-
-
1.4
2.1
-
120
1000
120
120
70
170
25
-
-
-
-
-
20
-
-
-
-
-
-
-
1.0
1.0
1.0
A
A
%
m Ω
m Ω
m Ω
m Ω
Ω
°C
°C
μ A
μ A
μ A
REGULATOR 3
Output Voltage Range
Output Accuracy
Line/Load Regulation (11)
Feedback Reference Voltage
Dynamic Voltage Scaling Range
Dynamic Voltage Scaling Step Size
Continuous Output Current (11)
Over-current Limit (Detected in buck high side FET)
Short-circuit Current Limit (Detected in buck high side FET)
Over-current Limit Accuracy
N-CH Switch Power MOSFET R DS(ON)
N-CH Synch. Power MOSFET R DS(ON)
Discharge MOSFET R DS(ON)
Thermal Shutdown Threshold (11)
Thermal Shutdown Hysteresis (11)
PVIN3 Leakage Current (Off State) @25°C
SW3 Leakage Current (Off State) @25°C
V OUT
-
REG LN/LD
V FB
V DYN
V DYN_STEP
I OUT
I LIM_ION
I SHORT_ION
-
R DS(ON) - SW
R DS(ON) - SY
R DS(ON) - DIS
T SD
T SD-HYS
I PVIN3_LKG
I SW3_LKG
0.6
-4.0
-1.0
-
-17.5
-
-
-
-
-20
-
-
-
-
-
-
-
1.2
-
-
0.600 (12)
-
2.5
150
1.0
1.5
-
500
500
70
170
25
-
-
1.8
4.0
1.0
-
17.5
-
550
-
-
20
-
-
-
-
-
1.0
1.0
V
%
%
V
%
%
mA
A
A
%
m Ω
m Ω
Ω
°C
°C
μ A
μ A
Notes:
11. Guaranteed by Design
12. V FB is 0.6V when the part is powered up and no DVS is changed. DVS is achieved by modifying V FB reference.
34704
Analog Integrated Circuit Device Data
10
Freescale Semiconductor
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