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參數(shù)資料
| 型號(hào)： | IR53HD420 |
| 廠商： | International Rectifier |
| 英文描述： | SELF-OSCILLATING HALF BRIDGE |
| 中文描述： | 自激式半橋 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 82K |
| 代理商： | IR53HD420 |
5
IR53H(D)420(-P2)
Symbol Definition
fosc
Oscillator frequency
Min.
19.4
94
48
—
0.30
—
—
1.8
—
—
—
—
—
—
Typ.
20
100
50
0.001
0.70
8.0
4.0
10
100
10
100
0
10
Max. Units Test Conditions
20.6
106
52
%
1.0
uA
1.2
mA
—
—
2.4
50
300
50
300
100
50
R
T
= 36.9k
R
T
= 7.43k
fo < 100kHz
d R
T
pin duty cycle
I
CT
C
T
pin current
I
CTUV
UV-mode C
T
pin pulldown current
V
CT+
Upper C
T
ramp voltage threshold
V
CT-
Lower C
T
ramp voltage threshold
V
CTSD
C
T
voltage shutdown threshold
V
RT+
High-level R
T
output voltage, V
CC
- V
RT
V
CC
= 7V
I
RT
= 100
μ
A
I
RT
= 1mA
I
RT
= 100
μ
A
I
RT
= 1mA
V
CC
≤
V
CCUV
-
I
RT
= 100
μ
A,
V
CT
= 0V
I
RT
= 1mA,
V
CT
= 0V
V
RT-
Low-level R
T
output voltage
V
RTUV
V
RTSD
UV-mode R
T
output voltage
SD-Mode R
T
output voltage, V
CC
- V
RT
—
10
300
V
mV
kHz
Floating Supply Characteristics
Oscillator I/O Characteristics
Symbol Definition
Min.
Typ.
Max. Units Test Conditions
I
QBSUV
Micropower startup V
BS
supply current
I
QBS
Quiescent VBS supply current
V
BSMIN
Minimum required V
BS
voltage for proper
functionality from R
T
to HO
I
OS
Offset supply leakage current
V
F
Bootstrap diode forward voltage (IR2153D)
—
— 30
— 4.0 5.0
0
10
50
V
CC
≤
V
CCUV
-
V V
CC
=V
CCUV+
+ 0.1V
—
0.5
—
—
50
1.0
μ
A
V
V
B
= V
S
= 600V
I
F
= 250mA
μ
A
Electrical Characteristics
V
BIAS
(V
CC
, V
BS
) = 12V, C
T
= 1 nF and T
A
= 25°C unless otherwise specified. The V
IN
, V
TH
and I
IN
parameters are
referenced to COM.
Low Voltage Supply Characteristics
Symbol Definition
V
CCUV+
Rising V
CC
undervoltage lockout threshold
V
CCUV-
Falling V
CC
undervoltage lockout threshold
V
CCUVH
V
CC
undervoltage lockout Hysteresis
I
QCCUV
Micropower startup V
CC
supply current
I
QCC
Quiescent V
CC
supply current
V
CLAMP
V
CC
zener clamp voltage
Min.
8.1
7.2
0.5
—
—
14.4
Typ. Max. Units Test Conditions
9.0 9.9
8.0 8.8
1.0
1.5
75
150
500 950
15.6 16.8
V
V
CC
≤
V
CCUV
-
I
CC
= 5mA
V
μ
A
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