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參數資料
| 型號： | MC34065DW |
| 廠商： | MOTOROLA INC |
| 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： | 3/16頁 |
| 文件大?。?/td> | 419K |
| 代理商： | MC34065DW |
MC34065–H, L MC33065–H, L
3
MOTOROLA ANALOG IC DEVICE DATA
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
CURRENT SENSE SECTION
Current Sense Input Voltage Gain (Notes 4 and 5)
AV
Vth
IIB
2.75
3.0
3.25
V/V
Maximum Current Sense Input Threshold (Note 4)
0.9
1.0
1.1
V
Input Bias Current
–
– 2.0
– 10
μ
A
Propagation Delay (Current Sense Input to Output)
tPLN(In/Out)
–
150
300
ns
DRIVE OUTPUT 2 ENABLE PIN
Enable Pin Voltage – High State (Output 2 Enabled)
Enable Pin Voltage
– Low State (Output 2 Disabled)
VIH
VIL
3.5
0
–
–
Vref
1.5
V
Low State Input Current (VIL = 0 V)
IIB
100
250
400
μ
A
DRIVE OUTPUTS
Output Voltage – Low State (Isink = 20 mA)
Output Voltage – Low State
(Isink = 200 mA)
Output Voltage
– High State (Isource = 20 mA)
Output Voltage – High State
(Isource = 200 mA)
VOL
VOH
–
1.6
12.8
10
0.3
2.4
13.3
11.2
0.5
3.0
–
12.3
V
Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 1.0 mA)
Output Voltage Rise Time (CL = 1.0 nF)
Output Voltage Fall Time (CL = 1.0 nF)
VOL(UVLO)
tr
tf
–
0.1
1.1
V
–
50
150
ns
–
50
150
ns
UNDERVOLTAGE LOCKOUT SECTION
Startup Threshold (VCC Increasing)
–L Suffix
–H Suffix
Vth
7.8
13
8.4
14
9.0
15
V
Minimum Operating Voltage After Turn–On (VCC Decreasing)
–L Suffix
–H Suffix
VCC(min)
7.2
9.0
7.8
10
8.4
11
V
TOTAL DEVICE
Power Supply Current
Startup
–L Suffix (VCC = 6.0 V)
–H Suffix (VCC = 12 V)
Operating (Note 2)
ICC
–
–
–
0.4
0.6
20
0.8
1.0
25
mA
NOTES:
1. Maximum package power dissipation limits must be observed.
NOTES:
2. Adjust VCC above the startup threshold before setting to 15 V.
NOTES:
3. Low duty cycle pulse techniques are used during test to maintain junction
NOTES:
3.
temperature as close to ambient as possible:
Tlow = 0
°
C for the MC34065
Tlow = –40
°
C for the MC33065
Thigh = +70
°
C for MC34065
Thigh = +85
°
C for MC33065
4. This parameter is measured at the latch trip point with VFB = 0 V
5. Comparator gain is defined as AV =
V Compensation
V Current Sense
Figure 1. Timing Resistor versus
Oscillator Frequency
Figure 2. Maximum Output Duty Cycle
versus Oscillator Frequency
4.0
6.0
8.0
10
14
16
R
)
fOSC, OSCILLATOR FREQUENCY (Hz)
12
3.3 nF
500 pF
220 pF
330 pF
2.2 nF
5.0 nF
1.0 nF
10 k
30 k
50 k
300 k
500 k
100 k
1.0 M
100 pF
D
fOSC, OSCILLATOR FREQUENCY (Hz)
38
40
42
44
48
50
46
Output 2
Output 1
10 k
30 k
50 k
300 k
500 k
100 k
1.0 M
VCC= 15 V
RT= 4.0 k to 16 k
TA = 25
°
CL= 15 pF
CT=
10 nF
VCC= 15 V
TA= 25
°
C
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