參數(shù)資料
型號(hào)： HV9221
廠商： ELAN Microelctronics Corp .
英文描述： High Frequency Multi-Function Current Mode PWM Controller(輸入范圍15V-450V，高頻多功能電流型脈寬調(diào)制控制器)
中文描述： 高頻多功能電流模式PWM控制器（15V的輸入范圍- 450V，高頻多功能電流型脈寬調(diào)制控制器）
文件頁(yè)數(shù)： 3/5頁(yè)
文件大小： 38K
代理商： HV9221
14-40
HV9221
Electrical Characteristics
(continued)
(Unless otherwise specified, -V
IN
= 0V, V
CC
= 10V; -40oC
≤
T
A
≤
+85oC)
Symbol
Parameters
Min
Typ
Max
Unit
Conditions
Oscillator
900
1000
1100
KHz
R
T
= TBD, R
D
= 0
R
T
= TBD, R
D
= 0
R
T
= TBD, R
D
= 0
f
OSC
= 100KHz
f
OSC
=100KHz, 15V >V
CC
> 8V
f
OSC
Initial accuracy
450
500
550
KHz
90
100
110
KHz
Temperature coefficient
100
300
ppm/C
Voltage stability
1
2
%
V
SYNC(out)high
I
CYNC(out)high
V
SYNC(out)low
I
SYNC(out)low
V
SYNC(in)
V
SYNC(in)
I
SYNC(in)
Sync output voltage - high
4.5
5.0
5.5
V
Sync output current - high
10
μ
A
Sync output voltage - low
0.3
0.5
V
Sync output current - low
0.5
-1.0
mA
Maximum Sync input voltage
5.5
V
Sync threshold - low
0.8
1.7
2.0
V
Sync input current - low
-20
-30
μ
A
Current Sensing
V
CSA
& V
CSB
V
CSA
& V
SCB
V
CSA
& V
CSB
Usable control current sense range
0.5
1.0
V
Current limit threshold
1.1
1.2
1.3
V
Leading edge current limit threshold
1.1
1.3
1.5
V
Leading edge threshold time
45
50
55
nsec
Current limit delay to output
30
50
nsec
Slope Compensation Ramp Generators
V
CSA
or V
CSB
Peak voltage
0.9
1
1.1
V
49% duty cycle or push-pull
mode
V
SCA
or V
SCB
V
SCA
or V
SCB
Peak voltage
1.8
2.0
2.2
V
99% duty cycle mode
Valley voltage
0
0.01
0.02
V
Output impedance
5
Logic Controls Inputs (ENABLE-A, ENABLE-B, PP, 49%/99%)
V
ENABLE
V
ENABLE
V
ENABLE(high)
I
ENABLE(high)
V
ENABLE(low)
I
ENABLE(low)
Over Temperature Shutdown
Maximum input voltage
V
CC
V
Open terminal voltage
0.5V
CC
-2.0
V
Pull high threshold voltage
-1.8
-2.2
V
Referenced to V
CC
Pull high input current
100
μ
A
Pull low threshold voltage
1.8
2.0
2.2
V
Pull low input current
-100
μ
A
Shutdown junction temperature
110
125
140
°
C
°
C
Hysteresis (temperature drop)
40
50
60
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