參數(shù)資料
型號: MC14521BCP
廠商: ON SEMICONDUCTOR
元件分類: 諧振器
英文描述: Non-inverting High-Speed MOSFET Driver 5-SOT-23 -40 to 125
中文描述: 4000/14000/40000 SERIES, PRESCALER, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 5/12頁
文件大小: 219K
代理商: MC14521BCP
MC14521B
http://onsemi.com
5
Figure 2. Switching Time Test Circuit and Waveforms
PULSE
GENERATOR
Q18
Q19
Q20
Q21
Q22
Q23
Q24
IN 2
R
V
DD
V
DD
V
SS
V
SS
C
L
C
L
C
L
C
L
C
L
C
L
C
L
V
DD
20 ns
20 ns
20 ns
10%
50%
90%
10%
50%
90%
IN 2
Q
n
t
PLH
t
TLH
t
PHL
t
THL
t
WL
t
WH
Characteristic
500 kHz
Circuit
50 kHz
Circuit
Unit
Crystal Characteristics
Resonant Frequency
Equivalent Resistance, R
S
500
1.0
50
6.2
kHz
k
External Resistor/Capacitor Values
R
o
C
T
C
S
47
82
20
750
82
20
k
pF
pF
Frequency Stability
Frequency Change as a Function
of V
DD
(T
A
= 25 C)
V
DD
Change from 5.0 V to 10 V
V
DD
Change from 10 V to 15 V
Frequency Change as a Function
of Temperature (V
DD
= 10 V)
T
A
Change from – 55 C to + 25 C
MC14521 only
Complete Oscillator*
T
A
Change from +25 C to+125 C
MC14521 only
Complete Oscillator*
+ 6.0
+ 2.0
– 4.0
+ 100
– 2.0
– 160
+ 2.0
+ 2.0
– 2.0
+ 120
– 2.0
– 560
ppm
ppm
ppm
ppm
ppm
ppm
*Complete oscillator includes crystal, capacitors, and resistors.
Figure 4. Typical Data for Crystal Oscillator Circuit
Figure 3. Crystal Oscillator Circuit
V
DD
V
DD
V
DD
V
SS
V
SS
R*
OUT 1
OUT 2
Q18
Q19
Q20
Q21
Q22
Q23
Q24
IN 1
IN 2
R
R*
C
S
C
T
R
o
18 M
* Optional for low power operation,
10 k
R
70 k
.
相關PDF資料
PDF描述
MC14521BD 24-Stage Frequency Divider
MC14521BDR2 24-Stage Frequency Divider
MC14521BF 24-Stage Frequency Divider
MC14521BFEL Automotive Catalog Single-Channel High-Speed Mosfet Driver 5-SOT-23 -40 to 125
MC14521BFR2 Non-inverting Fast Synchronous Buck MOSFET Drivers with Enable 14-SOIC
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