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参数资料
| 型号： | MC33701 |
| 厂商： | 飞思卡尔半导体(中国)有限公司 |
| 英文描述： | 1.5 A Switch-Mode Power Supply with Linear Regulator(1.5 A开关方式电源，带线性稳压器) |
| 中文描述： | 1.5开关模式电源，线性稳压器（1.5 A的开关方式电源，带线性稳压器） |
| 文件页数： | 10/24页 |
| 文件大小： | 841K |
| 代理商： | MC33701 |
33701
10
Go to: www.freescale.com
DYNAMIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions -40°C
≤
T
J
≤
125
°
C unless otherwise noted. Input voltages V
IN1
= V
IN2
= 3.3 V using the typical
application circuit (see
Figure 20
) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
BUCK CONVERTER
Duty Cycle Range (Normal Operation)
D
0
–
90
%
Switching Node SW Rise Time
(Note 9)
I
LOAD
= 1.5 A
t
RISE
–
TBD
–
ns
Switching Node SW Fall Time
(Note 9)
I
LOAD
= 1.5 A
t
FALL
–
TBD
–
ns
Maximum Deadtime
(Note 9)
t
D
–
TBD
–
ns
Buck Control Loop Propagation Delay
(Note 9)
V
INV
< 0.8 V to V
SW
> 90% of High Level or V
INV
> 0.8 V to V
SW
< 10% of
Low Level
t
PD
–
50
–
ns
Soft Start Duration (Power Sequencing Disabled, EN1 = 1, EN2 = 1)
t
SS
200
350
800
μ
s
Fault Condition Timeout
t
FAULT
–
10
–
ms
Retry Timer Cycle
t
R
et
–
100
–
ms
OSCILLATOR
Oscillator Default Frequency (Switching Frequency), FREQ Pin Open
f
OSC
270
300
330
kHz
Oscillator Frequency Range
f
OSC
200
400
kHz
Oscillator Frequency Accuracy
R
F
= 100 k
f
OSC
360
400
440
kHz
Oscillator Frequency Accuracy
R
F
= 200 k
f
OSC
180
200
220
kHz
Oscillator Output Signal Duty Cycle (Square Wave, 180° Out-of-Phase with the
Internal Suitable Oscillator)
D
OSC
–
50
–
%
Synchronization Pulse Minimum Duration
t
SYNC
300
–
–
ns
BOOST REGULATOR
Boost Regulator FET Maximum ON Time
t
ON
–
24
–
μ
s
Boost Regulator Control Loop Propagation Delay
(Note 9)
t
BST_PD
–
50
–
ns
Boost Switching Node V
BD
Rise Time
(Note 9)
I
BST
= 20 mA
t
B_RISE
–
15
40
ns
Boost Switching Node V
BD
Fall Time
(Note 9)
I
BST
= 20 mA
t
B_FALL
–
15
40
ns
Notes
9.
Design Information only. Not production tested.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
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相关代理商/技术参数 |
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|---|---|
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| MC3373P | 制造商:Motorola Inc 功能描述: |
| MC33742DW | 功能描述:网络控制器与处理器 IC SBC-E-HS RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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