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參數(shù)資料
| 型號： | XC6368A303ML |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | PWM Controlled, PWM/PFM Switchable Step-Up DC/DC Controllers |
| 中文描述： | PWM控制，PWM / PFM切換升壓DC / DC控制器 |
| 文件頁數(shù)： | 16/27頁 |
| 文件大?。?/td> | 1665K |
| 代理商： | XC6368A303ML |
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XC6367/6368
Series
568
GATE PROTECTION DIODE BUILT-IN MOSFET
XP161A1355PR
XP161A1265PR
R
ds (ON)
0.15
Ω
@ Vgs=1.5V
0.095
Ω
@ Vgs=2.5V
Tr
: XP161A1355PR (N-ch Power MOSFET, TOREX)
As the breakdown voltage of XP161A1355PR is 8V, take care
with the power supply voltage. With output voltages over 6V,
use the XP161A1265PR with a breakdown voltage of 12V.
V
ST1
: XP161A1355PR = 1.2V (MAX.)
XP161A1265PR = 1.5V (MAX.)
: 22
μ
H (CR54, SUMIDA FOSC=300kHz)
47
μ
H (CR75, SUMIDA FOSC=100, 180kHz)
10
μ
H (CR54, SUMIDA FOSC=500kHz)
: MA2Q735 (Schottky Diode, SUMIDA MATSUSHITA)
: 16V, 220
μ
F (Aluminium Electrolytic Capacitor)
: 16V, 47
μ
F + 47
μ
F (Tantalum capacitor, NICHICON MCE)
L
SD
C
IN
CL
NPN Tr type:
Tr
Rb
Cb
: 2SD1628 (SANYO)
: 500
Ω
(Adjust according to load and Tr. hFE levels)
: 2200pF (Ceramic Type)
Set up so that
CB < 1
÷
(2
π
x RB x FOSC x 0.7)
C, D, F type (soft-start externally set-up):
C
SS
R
SS
: 0.1
μ
F (Ceramic Capacitor)
: 470k
Ω
(C, F Type), 220k
Ω
(D Type)
B, D type (FB versions)
R
FB
C
FB
e.g
: Set up so that
R
FB1
÷
R
FB2
= V
OUT
- 1
(V
OUT
= setting output voltage),
Please use with
R
FB1
+ R
FB2
≦
2M
Ω
: Set up so that
fzfb = 1
÷
(2 x
π
x CFB x RFB1)
is within the
0.1 to 20kHz range (10kHz conventional)
Adjustments necessary in respect of L, C
L
.
V
OUT
= 3.0V
R
FB1
= 400k
Ω
, R
FB2
= 200k
Ω
, C
FB
= 47pF
For using MOSFET, We recommend using TOREX MOSFETs, which has a gate protection diode built-in.
■
TEST CIRCUITS (Continued)
●
External Components
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