參數(shù)資料
型號(hào)： MC33067P
廠商： MOTOROLA INC
元件分類： 穩(wěn)壓器
英文描述： HIGH PERFORMANCE ZERO VOLTAGE SWITCH RESONANT MODE CONTROLLERS
中文描述： 1.5 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDIP16
封裝： PLASTIC, DIP-16
文件頁數(shù)： 3/16頁
文件大?。?/td> 373K
代理商： MC33067P
MC34067 MC33067
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC = 12 V [Note 2], ROSC= 18.2 k, RVFO = 2940, COSC = 300 pF, RT = 2370 k, CT = 300 pF,
CL = 1.0 nF. For typical values TA = 25
°
C, for min/max values TA is the operating ambient temperature range that applies [Note 3], unless
otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OSCILLATOR
Frequency (Error Amp Output Low)
TA = 25
°
C
Total Variation (VCC = 10 to 18 V, TA = TLow to THigh
fOSC(low)
500
490
525
–
540
550
kHz
Frequency (Error Amp Output High)
TA = 25
°
C
Total Variation (VCC = 10 to 18 V, TA = TLow to THigh
Oscillator Control Input Voltage, Pin 3 @ 25
°
C
fOSC(high)
1900
1850
2050
–
2150
2200
kHz
Vin
–
2.5
–
V
ONE–SHOT
Drive Output Off–Time
TA = 25
°
C
Total Variation (VCC = 10 to 18 V, TA = TLow to THigh
tBlank
235
225
250
–
270
280
ns
DRIVE OUTPUTS
Output Voltage
Low State (ISink = 20 mA)
Low State
(ISink = 200 mA)
High State (ISource = 20 mA)
High State
(ISource = 200 mA)
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
VOH
–
–
9.5
9.0
0.8
1.5
10.3
9.7
1.2
2.0
–
–
V
VOL(UVLO)
tr
tf
–
0.8
1.2
V
–
20
50
ns
–
15
50
ns
FAULT COMPARATOR
Input Threshold
Vth
IIB
0.93
1.0
1.07
V
Input Bias Current (VPin 10 = 0 V)
Propagation Delay to Drive Outputs (100 mV Overdrive)
–
– 2.0
– 10
μ
A
tPLH(In/Out)
–
60
100
ns
SOFT–START
Capacitor Charge Current (VPin 11 = 2.5 V)
Capacitor Discharge Current (VPin 11 = 2.5 V)
Ichg
Idischg
4.5
9.0
14
μ
A
3.0
8.0
–
mA
UNDERVOLTAGE LOCKOUT
Startup Threshold, VCC Increasing
Enable/UVLO Adjust Pin Open
Enable/UVLO Adjust Pin Connected to VCC
Vth(UVLO)
14.8
8.0
16
9.0
17.2
10
V
Minimum Operating Voltage After Turn–On
Enable/UVLO Adjust Pin Open
Enable/UVLO Adjust Pin Connected to VCC
VCC(min)
8.0
7.6
9.0
8.6
10
9.6
V
Enable/UVLO Adjust Shutdown Threshold Voltage
Vth(Enable)
Iin(Enable)
6.0
7.0
–
V
Enable/UVLO Adjust Input Current (Pin 9 = 0 V)
–
– 0.2
– 1.0
mA
TOTAL DEVICE
Power Supply Current (Enable/UVLO Adjust Pin Open)
Startup (VCC = 13.5 V)
Operating (fOSC = 500 kHz) (Note 2)
ICC
–
–
0.5
27
0.8
35
mA
NOTES:
1.Maximum package power dissipation limits must be observed.
2.Adjust VCC above the Startup threshold before setting to 12 V.
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 the MC34067
= – 40
°
C for the MC33067
T
high
= + 70
°
C for MC34067
T
high
= + 85
°
C for MC33067
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