參數(shù)資料
型號(hào)： MC33023DWR2G
廠商： ON SEMICONDUCTOR
元件分類(lèi)： 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(yè)數(shù)： 4/18頁(yè)
文件大?。?/td> 450K
代理商： MC33023DWR2G
MC34023, MC33023
http://onsemi.com
4
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 3], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
CURRENT SENSE SECTION
Input Bias Current (Pin 9(12) = 0 V to 4.0 V)
I
IB
V
IO
V
CMR
V
th
t
PLH(in/out)
15
A
Current Limit Comparator Input Offset Voltage (Pin 11(14) = 1.1 V)
45
mV
Current Limit Reference Input Common Mode Range (Pin 11(14)) T
J
= +25
°
C
Shutdown Comparator Threshold
1.0
3.0
V
1.25
1.40
1.55
V
Propagation Delay (Current Limit/Shutdown to Output, T
J
= +25
°
C)
OUTPUT SECTION
Output Voltage
Low State (I
Sink
= 20 mA)
(I
Sink
= 200 mA)
High State (I
Source
= 20 mA)
(I
Source
= 200 mA)
50
80
ns
V
OL
V
OH
13
12
0.25
1.2
13.5
13
0.4
2.2
V
Output Voltage with UVLO Activated (V
CC
= 6.0 V, I
Sink
= 0.5 mA)
Output Leakage Current (V
C
= 20 V)
Output Voltage Rise Time (C
L
= 1.0 nF, T
J
= +25
°
C)
Output Voltage Fall Time (C
L
= 1.0 nF, T
J
= +25
°
C)
UNDERVOLTAGE LOCKOUT SECTION
Startup Threshold (V
CC
Increasing)
UVLO Hysteresis Voltage (V
CC
Decreasing After TurnOn)
TOTAL DEVICE
V
OL(UVLO)
I
L
t
r
t
f
0.25
1.0
V
100
500
A
30
60
ns
30
60
ns
V
th(on)
V
H
8.8
9.2
9.6
V
0.4
0.8
1.2
V
Power Supply Current
Startup (VCC = 8.0 V)
Operating
I
CC
0.5
20
1.2
30
mA
3. 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
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