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參數(shù)資料
| 型號： | XC9504B093DDR |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | 2 ch. Step-Up / Inverting DC/DC Controller ICs |
| 中文描述： | 2通道。升壓/負輸出DC / DC控制器芯片 |
| 文件頁數(shù)： | 9/53頁 |
| 文件大?。?/td> | 3047K |
| 代理商： | XC9504B093DDR |
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9/53
XC9504
Series
< Output Voltage Setting, Ch.1 (Step-Up DC/DC Converter Controller) >
Output voltage can be set by adding external split resistors. Output voltage is determined by the following equation, based
on the values of R
FB11
and R
FB12
. The sum of R
FB11
and R
FB12
should normally be 1 M
V
OUT1
=0.9
(R
FB11
+R
FB12
)/R
FB12
The speed-up capacitor for phase compensation's (C
FB1
) value should be adjusted using the formula
fzfb=1/(2
R
FB11
)
so that it equals 12kHz. Depending on the application, the inductance value L, and the load capacity value C
L
,
adjustments to this value are suggested so that the value is somewhere between 1kHz to 50kHz.
[Calculation Example]
When R
FB11
= 470k
and R
FB12
= 30k
: V
OUT1
= 0.9
(470k+30k) / 30k = 15.0V.
[Typical Example]
or less.
C
FB1
V
OUT
(V)
1.5
1.8
2.0
2.2
2.5
R
FB11
(k
220
220
330
390
390
)
R
FB12
(k
330
220
330
390
390
)
C
FB1
(pF)
62
62
39
33
33
V
OUT
(V)
2.7
3.0
3.3
5.0
8.0
R
FB11
(k
360
560
200
82
120
)
R
FB12
(k
180
240
75
18
15
)
C
FB1
(pF)
33
24
62
160
100
V
OUT
(V)
10.0
12.0
15.0
20.0
30.0
R
FB11
(k
680
160
470
470
390
)
R
FB12
(k
68
13
30
22
12
)
C
FB1
(pF)
18
82
27
27
34
< Output
Voltage Setting, Ch. 2 (Inverting DC/DC Converter) >
Output voltage can be set by adding reference voltage and split resistors externally. Output voltage is determined using the
following equation and is based on the values of R
FB21
and R
FB22
. The sum of R
FB21
and R
FB22
should normally be 200k
or less. The equation uses Ch 1's (V
OUT1
) output voltage calculation method for the reference voltage.
V
OUT2
= (0.9-V
OUT1
)
(R
FB21
/R
FB22
) + 0.9V
[Calculation Example]
When R
FB21
=17.5k
, R
FB22
=10k
, V
OUT1
=3.3V, V
OUT2
= - 3.3V
The value of speed-up capacitor for phase compensation C
FB2
1:
[Conditions: Heavy load (when coil current is continuous.)]
fzfb2 = 1/2
C
FB21
R
FB21
) = 10kHz
Depending on the application, the inductance value L, and the load capacity value C
L
, adjustments to this value are
suggested so that the value is somewhere between 1kHz to 50kHz.
[Conditions: Light load (when coil current is discontinuous.)]
Less than C
FB21
=0.1
F
Depending on the application, the inductance value L, and the load capacity value C
L
, adjustments to this value are suggested.
> Example Circuit 1: Using voltage of Ch 1 (Step-Up)
> Example Circuit 2: Using a positive regulator
Channel 1 (Step-Up) circuits should be enable by setting EN1 to
High level so that a stable voltage is provided. Inrush current to the
inverter when the supply voltage V
DD
of the IC is 2.0 V or higher can
be controlled by setting EN 1 and EN 2 to enable (“H” level)
simultaneously.
A stable positive voltage produced by a positive voltage regulator or
by other means is usable.
V
OUT2
= (0.9 - V
ROUT
) x (R
FB21
/ R
FB22
) + 0.9V
SBD2
RFB21
CFB21
VOUT2
CL2
RFB22
FB2
Inside of
XC9504 IC
VR
To the other
circuit
VR_OUT
SBD2
RFB21
CFB21
VOUT2
CL2
RFB22
VOUT1
FB2
Inside of XC9504 IC
OPERATIONAL EXPLANATION (Continued)
相關PDF資料 |
PDF描述 |
|---|---|
| XC9504B095CAL | 2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095CAR | 2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095CDL | 2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095CDR | 2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095DAL | 2 ch. Step-Up / Inverting DC/DC Controller ICs |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| XC9504B095CAL | 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095CAR | 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095CDL | 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095CDR | 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2 ch. Step-Up / Inverting DC/DC Controller ICs |
| XC9504B095DAL | 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2 ch. Step-Up / Inverting DC/DC Controller ICs |
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