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參數(shù)資料
| 型號： | HA16121FPJ |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 18/34頁 |
| 文件大?。?/td> | 250K |
| 代理商： | HA16121FPJ |
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HA16116FP/FPJ, HA16121FP/FPJ
18
V
IN
C
F
R
F
C
L
IC
R
CS
OUT
V
OUT
F.B.
V
TH
(CL)
V
IN
0.2 V
V
IN
Dead band V
DB
(In case of HA16120)
inductor current)
pin (CL)
L
Example of step-up circuit
I
D
Determined by R
CS
and R
F
Triangle wave V
CT
Error output V
E/O
PWM pulse output
Power MOS FET
drain current (I
)
(dotted line shows
Current limiter
Inductor
Determined by L and V
IN
Figure 6.6
7. ON/
OFF
Pin Usage
7.1 IC Shutoff by the ON/
OFF
Pin
As shown in the figure 7.1, these ICs can be turned off safely by lowering the voltage at the ON/
OFF
pin to
below 2V
BE
. This feature is used to conserve the power in the power supply system. In off state the IC
current consumption (I
OFF
) is 10
μ
A (Max) for HA16116 and 150
μ
A (Max) for HA16121.
The ON/
OFF
pin can also be used to drive logic ICs such as TTL or CMOS with a sink current of 50
μ
A
(Typ) at an applied voltage of 5 V. When it is desired to employ this feature along with intermittent
operation, an open collector or open drain logic IC should be used.
S.V
HA16116,
HA16121
GND
P.V
IN
IN
TIM
ON/OFF
V
IN
I
IN
Vref
output
To other circuitry
Vref
generation
circuit
To latch
R
B
R
A
C
ON/OFF
+
Switch
50 k
4 V
BE
Q
1
Q
2
Q
3
Q
4
Off
On
External logic IC
To output
stage
On/off hysteresis circuit
Figure 7.1 IC Shutoff by the ON/
OFF
Pin
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA16116 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| HA16121FP | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| HA16116FP | 1500000 SYSTEM GATE 1.5 VOLT FPGA |
| HA16116FPJ | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| HA16129FPJ | Single Watchdog Timer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA16129 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Single Watchdog Timer |
| HA16129AFPJ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Regarding the change of names mentioned in the document, such as Hitachi Electric and Hitachi XX, to Renesas Technology Corp. |
| HA16129FPJ | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Single Watchdog Timer |
| HA16138 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:AC/DC Switching Converter Controller IC With High-Voltage Power MOS FET |
| HA16138PS | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:AC/DC Switching Converter Controller IC With High-Voltage Power MOS FET |
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