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參數(shù)資料
| 型號： | HA17384 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 250000 SYSTEM GATE 1.5 VOLT FPGA |
| 中文描述： | 高速開關(guān)電源電流模式PWM控制IC |
| 文件頁數(shù)： | 9/31頁 |
| 文件大?。?/td> | 145K |
| 代理商： | HA17384 |
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HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
9
Electrical Characteristics
(cont)
Current Sensing Part
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Note
Voltage gain
A
VCS
Vth
CS
PSRR
2.85
3.00
3.15
V/V
V
FB
= 0 V
1
Maximum sensing voltage
0.9
1.0
1.1
V
Power supply voltage
rejection ratio
—
70
—
dB
12 V
≤
V
IN
≤
25 V
2
Input bias current
I
BCS
tpd
—
–2
–10
μ
A
V
CS
= 2 V
Time from when V
becomes 2 V to when
output becomes “L” (2 V)
Current sensing
response time
50
100
150
ns
3
Notes: 1. The gain this case is the ratio of error amplifier output change to the current-sensing threshold
voltage change.
2. Reference value for design.
3. Current sensing response time tpd is definded a shown in the figure 1.
V
CS
V
OUT
(PWM)
Vth
tpd
Figure 1 Definition of Current Sensing Response Time tpd
PWM Output Part
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Note
Output low voltage 1
V
OL1
V
OL2
V
OH1
V
OH2
V
OL STB
—
0.7
1.5
V
losink = 20 mA
Output low voltage 2
—
1.5
2.2
V
losink = 200 mA
1
Output high voltage 1
13.0
13.5
—
V
losource = –20 mA
Output high voltage 2
12.0
13.3
—
V
losource = –200 mA
1
Output low voltage at
standby mode
—
0.8
1.1
V
V
= 5 V,
losink = 1 mA
Rise time
t
r
t
f
Du max
—
80
150
ns
C
L
= 1000 pF
C
L
= 1000 pF
Fall time
—
70
130
ns
Maximum ON duty
94
96
100
%
Minimum ON duty
Notes: 1. Pulse application test
Du min
—
—
0
%
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA17393 | Dual Comparator |
| HA17903FPK | Dual Comparator |
| HA17393F | Dual Comparator |
| HA17903 | 500000 SYSTEM GATE 1.5 VOLT FPGA |
| HA17903FP | Dual Comparator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA17384FP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CURRENT MODE PWM CONTROL SWITTCHING REGULATOR ICS |
| HA17384HPS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply |
| HA17384HPS/HRP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply |
| HA17384HRP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:High Speed Current Mode PWM Control IC for Switching Power Supply |
| HA17384PS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CURRENT MODE PWM CONTROL SWITTCHING REGULATOR ICS |
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