参数资料
型号: MC34704AEPR2
厂商: Freescale Semiconductor
文件页数: 14/54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: 808 (CN2011-ZH PDF)
其它名称: MC34704AEPR2DKR
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 5. Dynamic Electrical Characteristics
Characteristics noted under conditions 2.7V ≤ V IN ≤ 5.5V, -20 ° C ≤ T A ≤ 85 ° C, GND = 0V, 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
I 2 C COMMUNICATION
Device Physical Address (7 bit Address)
-
$54
-
Maximum I 2 C Speed
-
-
400
kHz
FREQ
Selectable Switching Frequency 1
Selectable Switching Frequency 2
Selectable Switching Frequency Step Size
Switching Frequency Accuracy
f SW1
f SW2
f STEP
750
250
-
-10
-
-
250
-
2000
1000
-
10
kHz
kHz
kHz
%
Retry Timeout
Period (23)
t TIMEOUT
-
10
-
ms
CURRENT LIMIT MONITORING
Over-current Limit Timer (23)
t LIMIT
-
10
-
ms
Retry Timeout
Period (23)
t RETRY
-
10
-
ms
OUTPUT OVER-VOLTAGE/UNDER-VOLTAGE MONITORING
Under-voltage Threshold (Response A)
Over-voltage Threshold (Response A)
Under-voltage Threshold (Response B)
Over-voltage Threshold (Response B)
Filter Delay Timer (23)
V UV-R
V OV-R
V UV-R
V OV-R
t FILTER
-
-
-
-
-
-20
20
-20
20
20
-
-
-
-
-
%
%
%
%
μ s
RST
RST Reset Delay (23)
t RST-DELAY
-
10
ms
REGULATOR 1 & VG
Operating Frequency (22) , (23)
Operating Frequency Selection Step Size
f SW1
f STEP
750
-
-
250
1500
-
kHz
kHz
Constant Time Off Value
t OFF
-
1.0
-
μ s
Low Side
Timeout (23)
t TIMEOUT
-
15
-
μ s
REGULATOR 2
Operating Frequency (23)
Operating Frequency Selection Step Size
f SW1
f STEP
750
-
-
250
2000
-
kHz
kHz
Notes
22. When REG1 is used, the maximum f SW1 Frequency programed with external components should be 1500 kHz
23.
Guaranteed by design.
34704
Analog Integrated Circuit Device Data
14
Freescale Semiconductor
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