參數(shù)資料
型號: HA17384SPS
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): 13/31頁
文件大小: 145K
代理商: HA17384SPS
HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
13
Power OFF
At power OFF, the input voltage of the transformer gradually decreases and then V
IN
of IC also decreases
according to the input voltage. When V
IN
becomes lower than 10 V*
2
or Vref becomes lower than 4.7 V,
UVL1 (UVL2) operates again and the PWM pulse stops.
Note: 2. The value is for the HA17384S/H.
The value is 7.6 V for the HA17385H.
Commercial AC voltage
Power switch
Line filter
Rectifier
bridge diode
DC
output
Floating
ground
Power MOSFET
ex. 2SK1567
SBD
ex. HRP24
OVP input
(Ex: from photocoupler)
20k
3.6k
100
μ
200V
1000
μ
10V
R
T
10k
V
CS
R
220k
1/4W
C
B
10
μ
50V
V
IN
0.1
μ
51
1k
+
B
P
S
HRP32
Vref
V
IN
OUT
GND
COMP
FB
HA17384H,
HA17385H
CS
R
T
/C
T
+
+
+
+
R
CS
1
2W
100p
150k
330p
C
T
3300p
Figure 2 Mounting Circut Diagram for Operation Expression
相關(guān)PDF資料
PDF描述
HA17385HRP 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)
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA17384SPS-E 制造商:Renesas Electronics 功能描述:Current Mode PWM Controller 1A 8-Pin PDIP Bulk
HA17384SRP 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
HA17385BPS 制造商:Hitachi 功能描述:1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8
HA17385FP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CURRENT MODE PWM CONTROL SWITTCHING REGULATOR ICS