參數(shù)資料
型號(hào)： MC34701R2
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 1.5 A Switch-Mode Power Supply with Linear Regulator
中文描述： 1.5開(kāi)關(guān)模式電源，線性穩(wěn)壓器
文件頁(yè)數(shù)： 10/38頁(yè)
文件大?。?/td> 739K
代理商： MC34701R2
Analog Integrated Circuit Device Data
Freescale Semiconductor
10
34701
STATIC ELECTRICAL CHARACTERISTICS
Control and Supervisory Circuits
Enable (EN1, EN2) Input Voltage Threshold
V
EN-TH
1.0
1.5
2.0
V
Enable (EN1, EN2) Pulldown Resistance
R
EN-PD
30
55
90
k
RST
Low-Level Output Voltage, IOL = 5.0 mA
V
OL
–
–
0.4
V
RST
Leakage Current, OFF State, Pulled Up to 5.25 V
I
LKG-RST
–
–
10
μ
A
RST
Undervoltage Threshold on VOUT (
VOUT/VOUT
)
(16)
V
OUTITh
-14
–
-0.5
%
RST
Overvoltage Threshold on VOUT
(
VOUT/VOUT
)
(16)
V
OUTITh
0.5
–
14
%
RST
Undervoltage Threshold on VLDO
(
VLDO/VLDO
)
(16)
V
LDOITh
-12
–
-4.0
%
RST
Overvoltage Threshold on VLDO
(
VLDO/VLDO
)
(16)
V
LDOITh
4.0
–
12
%
RST
Timer Voltage Threshold
V
TH-RT
1.0
1.2
1.5
V
RST
Timer Source Current (RT terminal at 0 V)
I
S-RT
-17
–
-34
mA
RST
Timer Leakage Current
I
LKG-RT
-1.0
–
1.0
μ
A
RST
Timer Saturation Voltage, Reset Timer Current = 300
μ
A
V
SAT-RT
–
35
100
mV
Maximum Recommended Value of the Reset Timer Capacitor
C
t
–
–
47
μ
F
CLKSEL Threshold Voltage
V
THCLKS
1.2
1.6
2.0
V
CLKSEL Pullup Resistance
R
PU-CLK
S
60
120
240
k
ADDR Threshold Voltage
(16)
V
THADDR
1.2
1.6
2.0
V
ADDR Pullup Resistance
R
PU-ADDR
60
120
240
k
Thermal Shutdown (IC sensor)
(16)
T
LIM
150
170
190
°C
Thermal Shutdown Hysteresis
(16)
T
LIMHYS
–
10
–
°C
SDA, SCL Terminals I
2
C Bus (Standard)
Input Threshold Voltage (Terminal SCL), Rising Edge
(16)
V
LTH
1.3
–
1.7
V
Input Threshold Voltage (Terminal SDA)
V
LTH
1.3
–
1.7
V
SDA, SCL Input Current, Input Voltage = 5.25 V (VIN1)
I
IN
–
1.0
10
μ
A
SDA Low-Level Output Voltage, 3.0 mA Sink Current
V
OL
–
–
0.4
V
SDA, SCL Capacitance
(16)
C
Input
–
7.0
10
pF
Notes
16.
Design information only. This parameter is not production tested.
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C
≤
T
A
≤
85
°
C unless otherwise noted. Input voltages VIN1 = VIN2
= 3.3 V using
the typical application circuit (see
Figure 33
) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
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