參數(shù)資料
型號： MC33023DWG
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： High Speed Single−Ended PWM Controller
中文描述： 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝： LEAD FREE, SOIC-16
文件頁數(shù)： 3/18頁
文件大?。?/td> 450K
代理商： MC33023DWG
MC34023, MC33023
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(V
CC
= 15 V, R
T
= 3.65 k , C
T
= 1.0 nF, for typical values T
A
= +25
°
C, for min/max values T
A
is the operating ambient temperature range that applies [Note 2], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage (I
O
= 1.0 mA, T
J
= +25
°
C)
Line Regulation (V
CC
= 10 V to 30 V)
Load Regulation (I
O
= 1.0 mA to 10 mA)
Temperature Stability
V
ref
Reg
line
Reg
load
T
S
V
ref
V
n
S
5.05
5.1
5.15
V
2.0
15
mV
2.0
15
mV
0.2
mV/
°
C
Total Output Variation over Line, Load, and Temperature
4.95
5.25
V
Output Noise Voltage (f = 10 Hz to 10 kHz, T
J
= +25
°
C)
Long Term Stability (T
A
= +125
°
C for 1000 Hours)
Output Short Circuit Current
50
V
5.0
mV
I
SC
30
65
100
mA
OSCILLATOR SECTION
Frequency
T
J
= +25
°
C
Line (V
CC
= 10 V to 30 V) and Temperature (T
A
= T
low
to T
high
)
Frequency Change with Voltage (V
CC
= 10 V to 30 V)
Frequency Change with Temperature (T
A
= T
low
to T
high
)
Sawtooth Peak Voltage
f
osc
380
370
400
400
420
430
kHz
f
osc
/ V
f
osc
/ T
V
OSC(P)
V
OSC(V)
0.2
1.0
%
2.0
%
2.6
2.8
3.0
V
Sawtooth Valley Voltage
0.7
1.0
1.25
V
Clock Output Voltage
High State
Low State
V
OH
V
OL
3.9
4.5
2.3
2.9
V
ERROR AMPLIFIER SECTION
Input Offset Voltage
V
IO
I
IB
I
IO
A
VOL
GBW
15
mV
Input Bias Current
0.6
3.0
A
Input Offset Current
0.1
1.0
A
OpenLoop Voltage Gain (V
O
= 1.0 V to 4.0 V)
Gain Bandwidth Product (T
J
= +25
°
C)
Common Mode Rejection Ratio (V
CM
= 1.5 V to 5.5 V)
Power Supply Rejection Ratio (V
CC
= 10 V to 30 V)
Output Current, Source (V
O
= 4.0 V)
Output Current,
Sink (V
O
= 1.0 V)
60
95
dB
4.0
8.3
MHz
CMRR
75
95
dB
PSRR
85
110
dB
I
Source
I
Sink
0.5
1.0
3.0
3.6
mA
Output Voltage Swing, High State (I
O
= 0.5 mA)
Output Voltage Swing,
Low State (I
O
= 1 mA)
V
OH
V
OL
4.5
0
4.75
0.4
5.0
1.0
V
Slew Rate
SR
6.0
12
V/ s
PWM COMPARATOR SECTION
Ramp Input Bias Current
I
IB
0.5
5.0
A
Duty Cycle, Maximum
Duty Cycle,
Minimum
DC
(max)
DC
(min)
V
th
t
PLH(in/out)
80
90
0
%
Zero Duty Cycle Threshold Voltage Pin 3(4) (Pin 7(9) = 0 V)
1.1
1.25
1.4
V
Propagation Delay (Ramp Input to Output, T
J
= +25
°
C)
SOFTSTART SECTION
Charge Current (V
SoftStart
= 0.5 V)
Discharge Current (V
SoftStart
= 1.5 V)
1. Maximum package power dissipation limits must be observed.
2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
T
low
= 0
°
C for MC34023
T
high
= +70
°
C for MC34023
= 40
°
C for MC33023
= +105
°
C for MC33023
60
100
ns
I
chg
I
dischg
3.0
9.0
20
A
1.0
4.0
mA
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