参数资料
型号: MC34701EK
厂商: Freescale Semiconductor
文件页数: 13/39页
文件大小: 0K
描述: IC POWER SUPPLY MCU 1A 32-SOIC
标准包装: 42
应用: 转换器,Freescale 电源 QUICC? I,II
输入电压: 2.8 V ~ 6 V
输出数: 1
输出电压: 可调
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-SOIC(0.295",7.50mm 宽)
供应商设备封装: 32-SOIC
包装: 管件
配用: KIT33701DWBEVB-ND - KIT FOR 33701 POWER SUPPLY
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. DYNAMIC ELECTRICAL CHARACTERISTICS (continued)
Characteristics noted under conditions -40°C ? T A ? 85 ? C unless otherwise noted. Input voltages VIN1 = VIN2 = 3.3V using
the typical application circuit (see Figures 33 ), unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
BOOST REGULATOR
Boost Regulator MOSFET Maximum ON Time (21)
Boost Regulator Control Loop Propagation Delay (21)
Boost Switching Node VBD Rise Time
t ON
t BST_PD
t B_RISE
24
50
? s
ns
ns
IBST = 20mA
Boost Switching Node VBD Fall Time (21)
t B_FALL
5.0
ns
IBST = 20mA
3.0
LINEAR REGULATOR (LDO)
Fault Condition Timeout
Retry Timer Cycle
t FAULT
t RET
7.0
70
10
100
15
150
ms
ms
RESET MONITOR ( RST )
Monitoring LFB Pin Delay
Monitoring INV Pin Delay
t D_RST_LFB
t D_RST_INV
12
12
28
28
? s
? s
SCA, SCL PIN, I 2 C BUS (STANDARD)
SCL Clock Frequency (21)
Bus Free Time Between a STOP and a START Condition (21)
Hold Time (Repeated) START Condition (After this period, the first clock
pulse is generated.) (21)
Low Period of the SCL Clock (21)
High Period of the SCL Clock (21)
SDA Fall Time from VIH_MAX to VIL_MIN, Bus Capacitance 10pF to 400pF,
3.0mA Sink Current (21) , (23)
Setup Time for a Repeated START Condition (21)
Data Hold Time for I 2 C Bus Devices (21) , (22)
Data Setup Time (21)
Setup Time for STOP Condition (21)
Capacitive Load for Each Bus Line (21)
f SCL
t BUF
t HD-STA
t LOW
t HIGH
t F
t SU-STA
t HD-DAT
t SU-DA T
t SU-STO
C B
4.7
4.0
4.7
4.0
4.7
0.0
250
4.0
100
250
400
kHz
? s
? s
? s
? s
ns
? s
? s
ns
? s
pF
Notes
21. Design information only. This parameter is not production tested.
22. The device provides an internal hold time of at least 300ns for the SDA signal (refer to the V IH_MIN of the SCL signal) to bridge the
undefined region of the falling edge of SCL.
23.
VIH is high level voltage on I 2 C bus lines and VIL is low level voltage on I 2 C bus lines
34701
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
13
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