参数资料
型号: MC34704BEPR2
厂商: Freescale Semiconductor
文件页数: 13/54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
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 8
Output Voltage Range
Output Accuracy
Feedback Reference Voltage
Feedback Reference Voltage on current regulation mode
Dynamic Voltage Scaling Range
Dynamic Voltage Scaling Step Size
V OUT
-
V FB
V FB
V DYN
V DYN_STEP
5.0 (19)
-4.0
-
-
-10
-
15
-
0.600 (20)
0.230 (21)
-
2.5
15
4.0
-
-
10
-
V
%
V
V
%
%
Line/Load Regulation
REG LN/LD
-1.0
-
1.0
%
Continuous Output Current (18)
Over-current Limit (Detected in low side FET)
Short-circuit Current Limit (Detected in the Blocking FET)
Over-current Limit Accuracy
N-CH Switch Power MOSFET R DS(ON)
N-CH Synch. Power MOSFET R DS(ON)
N-CH Shutdown Power MOSFET R DS(ON)
Discharge MOSFET R DS(ON)
Thermal Shutdown Threshold (18)
Thermal Shutdown Hysteresis (18)
SW8 Leakage Current (Off State) @25°C
I OUT
I LIM_ION
I SHORT_ION
-
R DS(ON) - SW
R DS(ON) - SY
R DS(ON) - SH
R DS(ON) - DIS
T SD
T SD-HYS
I SW8_LKG
-
-
-
-20
-
-
-
-
-
-
-
15
1.0
1.5
-
450
1000
450
70
170
25
-
30
-
-
20
-
-
-
-
-
-
1.0
mA
A
A
%
m Ω
m Ω
m Ω
Ω
°C
°C
μ A
Notes
18. Guaranteed by Design
19. When Battery voltage is higher than 5.0V and VOUT8 is 5.0V, a polarization diode is necessary to achieve accurate output voltage. See
Component Calculation on page 39 for further details.
20. V FB is 0.6V when the part is powered up and no DVS is changed. DVS is achieved by modifying V FB reference.
21.
When in Current regulation mode, the Voltage reference is set to 0.230mV to set the maximum current, and it is internally decreased to
achieve a factor of the maximum current passing through the LED string
34704
Analog Integrated Circuit Device Data
Freescale Semiconductor
13
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