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參數(shù)資料
| 型號： | HA16114FPJ |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | ID ISC.ANT.MUX 8X ANT MULTIPLEXR |
| 中文描述： | 開關(guān)穩(wěn)壓器的斬波式直流/直流轉(zhuǎn)換器 |
| 文件頁數(shù)： | 16/38頁 |
| 文件大?。?/td> | 275K |
| 代理商： | HA16114FPJ |
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HA16114P/PJ/FP/FPJ, HA16120FP/FPJ
16
R
C
R
D
TM
(open)
ON/OFF
GND
10 k
V
IN
V
IN
Q
1
Q
2
Q
3
Vref output
Vref
generation
circuit
To other circuitry
To latch
Vref
3
2
1
00
1
2
V
ON/OFF
3
4
5
V
1.4 V
2.5 V
V 4.5 V
On/off hysteresis circuit
V
0.7 V
3V
BE
I
IN
Figure 6.2 Adjustment of UVL Voltages
7. Timing of Intermittent Mode during Overcurrent
7.1 Principle of Operation
These ICs provide pulse-by-pulse overcurrent protection by sensing the current during each pulse and
shutting off the pulse if overcurrent is detected. In addition, the TM and ON/
OFF
pins can be used to
operate the IC in intermittent mode if the overcurrent state continues. A power supply with sharp settling
characteristics can be designed in this way.
Intermittent mode operates by making use of the hysteresis of the ON/
OFF
pin threshold voltages V
ON
and
V
OFF
(V
ON
– V
OFF
= V
BE
). The timing can be programmed as explained below.
When not using intermittent mode, leave the TM pin open, and pull the ON/
OFF
pin up to V
ON
or higher.
The V
BE
is base emitter voltage of internal transistors.
390 k
2.2 k
2.2 F
+
R
R
C
A
B
ON/OFF
ON/OFF
TM
Latch
Q
R
S
Vref
reference
V
IN
Current
limiter
CL
Figure 7.1 Connection Diagram (example)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA16114FP | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| HA16114P | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| HA16120FP | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| HA16114PJ | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| HA16120FPJ | CAP 1000PF 25V 5% NP0(C0G) SMD-0603 TR-7 PLATED-NI/SN |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA16114P | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Switching Regulator for Chopper Type DC/DC Converter |
| HA16114P/PJ/FP/FPJ/ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HA16114P/PJ/FP/FPJ/ HA16120FP/FPJ Datasheet 504K/SEP.18.03 |
| HA16114P-E | 制造商:Renesas Electronics Corporation 功能描述:Power Sup,SW Reg.Control IC,S-Down,DIP16 |
| HA16114PJ | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Switching Regulator for Chopper Type DC/DC Converter |
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