參數(shù)資料
型號(hào): HA17384SRP
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
中文描述: 高速開關(guān)電源電流模式PWM控制IC
文件頁數(shù): 4/31頁
文件大?。?/td> 145K
代理商: HA17384SRP
HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
4
Block Diagram
Oscillator
Totem pole
output circuit
Note: 1. Blocks with bold line are not included in HA17384SPS/SRP.
0.8mA
EA
+
OVP
+
CS
+
7.0V
UVL1
H
L
VL VH
UVL2
Vref > 4.7V
R
Q
S
6.5V
1
2Vref
(2.5V)
*
1
2V
F
160
°
C
2R
R
1V
R
S
Q
PWM LOGIC
Vref
NOR
8.4 mA
1.2V
+
OR
34V
1
2
3
4
8
7
6
COMP
FB
(OVP input)
CS
RT/CT
Vref
V
IN
OUT
5
GND
2.8 V
OUT
5V band
gap
reference
regulator
OVP
latch
TSD
sense
CS
latch
Latch set
pulse
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