參數(shù)資料
型號: MC33060AD
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: Fixed Frequency, PWM, Voltage Mode Single Ended Controllers
中文描述: 0.5 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO14
封裝: SOIC-14
文件頁數(shù): 4/16頁
文件大?。?/td> 209K
代理商: MC33060AD
MC34060A MC33060A
4
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC = 15 V, CT = 0.01
μ
F, RT = 12 k
, unless otherwise noted. For typical values TA = 25
°
C,
for min/max values TA is the operating ambient temperature range that applies, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
PWM COMPARATOR SECTION
(Test circuit Figure 11)
Input Threshold Voltage
(Zero Duty Cycle)
VTH
3.5
4.5
V
Input Sink Current
(V[Pin 3] = 0.7 V)
II
0.3
0.7
mA
DEAD–TIME CONTROL SECTION
(Test circuit Figure 11)
Input Bias Current (Pin 4)
(Vin = 0 V to 5.25 V)
IIB(DT)
–1.0
–10
μ
A
Maximum Output Duty Cycle
(Vin = 0 V, CT = 0.01
μ
F, RT = 12 k
)
(Vin = 0 V, CT = 0.001
μ
F, RT = 47 k
)
DCmax
90
96
92
100
%
Input Threshold Voltage (Pin 4)
(Zero Duty Cycle)
(Maximum Duty Cycle)
VTH
0
2.8
3.3
V
OSCILLATOR SECTION
Frequency
(CT = 0.01
μ
F, RT = 12 k
, TA = 25
°
C)
TA = Tlow to Thigh – MC34060A
TA = Tlow to Thigh
– MC33060A
(CT = 0.001
μ
F, RT = 47 k
)
Standard Deviation of Frequency*
(CT = 0.001
μ
F, RT = 47 k
)
fosc
9.7
9.5
9.0
10.5
25
11.3
11.5
11.5
kHz
σ
fosc
1.5
%
Frequency Change with Voltage
(VCC = 7.0 V to 40 V)
fosc(
V)
0.5
2.0
%
Frequency Change with Temperature
(
TA =Tlow to Thigh)
(CT = 0.01
μ
F, RT = 12 k
)
fosc(
T)
4.0
%
UNDERVOLTAGE LOCKOUT SECTION
Turn–On Threshold (VCC increasing, Iref = 1.0 mA)
Hysteresis
Vth
VH
4.0
4.7
5.5
V
50
150
300
mV
TOTAL DEVICE
Standby Supply Current
(Pin 6 at Vref, all other inputs and outputs open)
(VCC = 15 V)
(VCC = 40 V)
ICC
5.5
7.0
10
15
mA
Average Supply Current
(V[Pin 4] = 2.0 V, CT = 0.001
μ
F, RT = 47 k
). See Figure 11.
IS
7.0
mA
*Standard deviation is a measure of the statistical distribution about the mean as derived from the formula;
σ
=
N
Σ
(xn –x)2
n – 1
N–1
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