參數(shù)資料
型號： HA17385HRP
廠商： Hitachi,Ltd.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： High Speed Current Mode PWM Control IC for Switching Power Supply(開關(guān)電源的高速電流模式PWM控制芯片)
中文描述： 高速開關(guān)電源電流模式PWM控制IC（開關(guān)電源的高速電流模式的PWM控制芯片）
文件頁數(shù)： 9/31頁
文件大?。?/td> 145K
代理商： HA17385HRP
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
HA17384HRP High Speed Current Mode PWM Control IC for Switching Power Supply
HA17384SRP High Speed Current Mode PWM Control IC for Switching Power Supply
HA17385HPS High Speed Current Mode PWM Control IC for Switching Power Supply
HA17384 250000 SYSTEM GATE 1.5 VOLT FPGA
HA17393 Dual Comparator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA17385HRP(E) 制造商:Renesas Electronics Corporation 功能描述:
HA17385PS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller
HA17393 制造商:Panasonic Industrial Company 功能描述:I.C.
HA17393/ASERIES 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HA17393A 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Dual Comparators
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