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參數資料
| 型號： | MC34065DW |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Ultra-Small 3-Pin Supply Voltage Supervisor 5-SC70 -40 to 85 |
| 中文描述： | 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | PLASTIC, SO-16 |
| 文件頁數： | 2/16頁 |
| 文件大小： | 419K |
| 代理商： | MC34065DW |
MC34065–H, L MC33065–H, L
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
VCC
IO
W
20
V
Output Current, Source or Sink (Note 1)
400
mA
μ
J
V
Output Energy (Capacitive Load per Cycle)
5.0
Current Sense, Enable, and Voltage Feedback Inputs
Vin
– 0.3 to +5.5
Sync Input
High State (Voltage)
Low State (Reverse Current)
VIH
IIL
IO
+5.5
– 5.0
V
mA
Error Amp Output Sink Current
10
mA
Power Dissipation and Thermal Characteristics
DW Suffix, Plastic Package Case 751G
Maximum Power Dissipation @ TA = 25
°
C
Thermal Resistance, Junction–to–Air
P Suffix, Plastic Package Case 648
Maximum Power Dissipation @ TA = 25
°
C
Thermal Resistance, Junction–to–Air
PD
R
θ
JA
PD
R
θ
JA
TJ
TA
862
145
1.25
100
mW
°
C/W
mW
°
C/W
°
C
°
C
Operating Junction Temperature
+150
Operating Ambient Temperature (Note 3)
MC34065
MC33065
0 to +70
– 40 to +85
Storage Temperature Range
Tstg
– 65 to +150
°
C
ELECTRICAL CHARACTERISTICS
(VCC = 15 V [Note 2], RT = 8.2 k
, CT = 3.3 nF, for typical values TA = 25
°
C, for min/max values
TA is the operating ambient temperature range that applies to [Note 3].)
Characteristics
Symbol
Min
Typ
Max
Unit
REFERENCE SECTION
Reference Output Voltage (IO = 1.0 mA, TJ = 25
°
C)
Line Regulation (VCC = 11 V to 20 V)
Load Regulation (IO = 1.0 mA to 10 mA, VCC = 20 V)
Total Output Variation over Line, Load, and Temperature
Vref
Regline
Regload
Vref
ISC
4.85
5.0
5.13
V
–
2.0
20
mV
–
3.0
25
mV
4.8
–
5.15
V
Output Short Circuit Current
30
100
–
mA
OSCILLATOR AND PWM SECTIONS
Total Frequency Variation over Line and Temperature
VCC = 11 V to 20 V, TA = Tlow to Thigh
MC34065
MC33065
fosc
46.5
45
49
49
51.5
53
kHz
Frequency Change with Voltage (VCC = 11 V to 20 V)
Duty Cycle at each Output
Maximum
Minimum
fosc/
V
–
0.2
1.0
%
DCmax
DCmin
46
–
49.5
–
52
0
%
Sync Input Current
High State (Vin = 2.4 V)
Low State (Vin = 0.8 V)
ERROR AMPLIFIERS
Voltage Feedback Input (VO = 2.5 V)
Input Bias Current (VFB = 5.0 V)
Open Loop Voltage Gain (VO = 2.0 V to 4.0 V)
Unity Gain Bandwidth (TJ = 25
°
C)
Power Supply Rejection Ratio (VCC = 11 V to 20 V)
Output Current
Source (VO = 3.0 V, VFB = 2.3 V)
Sink (VO = 1.2 V, VFB = 2.7 V)
Output Voltage Swing
High State (RL = 15 k to ground, VFB = 2.3 V)
Low State (RL = 15 k to Vref, VFB = 2.7 V)
IIH
IIL
–
–
170
80
250
160
μ
A
VFB
IIB
AVOL
BW
2.45
2.5
2.55
V
μ
A
dB
–
– 0.1
– 1.0
65
100
–
0.7
1.0
–
MHz
PSRR
60
90
–
dB
Isource
Isink
0.45
2.0
1.0
12
–
–
mA
VOH
VOL
5.0
–
6.2
0.8
–
1.1
V
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