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參數(shù)資料
| 型號(hào)： | MCZ34701EWR2 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | 1.5A Switch-Mode Power Supply with Linear Regulator |
| 中文描述： | 1.5A的開關(guān)模式電源，線性穩(wěn)壓器 |
| 文件頁數(shù)： | 13/39頁 |
| 文件大?。?/td> | 528K |
| 代理商： | MCZ34701EWR2 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
13
34701
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
BOOST REGULATOR
Boost Regulator MOSFET Maximum ON Time
(21)
t
ON
–
24
–
μ
s
Boost Regulator Control Loop Propagation Delay
(21)
t
BST_PD
–
50
–
ns
Boost Switching Node VBD Rise Time
(21)
IBST = 20mA
t
B_RISE
–
5.0
ns
Boost Switching Node VBD Fall Time
(21)
IBST = 20mA
t
B_FALL
–
3.0
–
ns
LINEAR REGULATOR (LDO)
Fault Condition Timeout
t
FAULT
7.0
10
15
ms
Retry Timer Cycle
t
RET
70
100
150
ms
RESET MONITOR (
RST
)
Monitoring LFB Pin Delay
t
D_RST_LFB
12
–
28
μ
s
Monitoring INV Pin Delay
t
D_RST_INV
12
–
28
μ
s
SCA, SCL PIN, I
2
C BUS (STANDARD)
SCL Clock Frequency
(21)
f
SCL
–
–
100
kHz
Bus Free Time Between a STOP and a START Condition
(21)
t
BUF
4.7
–
–
μ
s
Hold Time (Repeated) START Condition (After this period, the first clock
pulse is generated.)
(21)
t
HD-STA
4.0
–
–
μ
s
Low Period of the SCL Clock
(21)
t
LOW
4.7
–
–
μ
s
High Period of the SCL Clock
(21)
t
HIGH
4.0
–
–
μ
s
SDA Fall Time from VIH_MAX to VIL_MIN, Bus Capacitance 10pF to 400pF,
3.0mA Sink Current
(21)
,
(23)
t
F
–
–
250
ns
Setup Time for a Repeated START Condition
(21)
t
SU-STA
4.7
–
–
μ
s
Data Hold Time for I
2
C Bus Devices
(21)
,
(22)
t
HD-DAT
0.0
–
–
μ
s
Data Setup Time
(21)
t
SU-DA
T
250
–
–
ns
Setup Time for STOP Condition
(21)
t
SU-STO
4.0
–
–
μ
s
Capacitive Load for Each Bus Line
(21)
C
B
–
–
400
pF
Notes
21.
22.
Design information only. This parameter is not production tested.
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.
VIH is high level voltage on I
2
C bus lines and VIL is low level voltage on I
2
C bus lines
23.
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
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