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參數(shù)資料
| 型號(hào)： | T6309B-BX |
| 廠商： | TM Technology, Inc. |
| 英文描述： | Micropower Step-up DC/DC Converter |
| 中文描述： | 微功耗升壓型DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大?。?/td> | 131K |
| 代理商： | T6309B-BX |
TE
CH
tm
T6309B
TM Technology Inc. reserves the right
P. 2
Publication Date: SEP. 2005
to change products or specifications without notice.
Revision: A
PIN ARRANGEMENT
SOT23-6 (Top view)
GND
SW
FB
1
2
3
4
6
5
V
IN
OVP
CE
PIN DESCRIPTION
SYMBOL
Pin No.
DESCRIPTION
SW
1
Switch pin. Connect inductor/diode here. Minimize trace area at this
pin to reduce EMI.
Ground pin. Connect to local ground plane.
Feedback pin. Reference voltage is 400mV (T6309B-A). Optional
reference voltage is 1.19V (T6309B-B). Connect cathode of lowest
LED and current sense resistor here.
Chip enable pin. Tie CE pin to 1.5V or higher to enable device;
0.4V or less to shutdown the device. Do not float this pin.
Overvoltage protection. Connect this pin to the output capacitor of
the converter.
Power supply Input pin.
GND
2
FB
3
CE
4
OVP
5
V
IN
6
BLOCK DIAGRAM
F B
C E
V
I N
1 . 1 9 V
S W
b u f f e r
d r i v e r
O V P
G N D
+
-
c o n t r o l
l o g i c
+
-
c u r r e n t
l i m i t
v o l t a g e
r e f e r e n c e
u n d e r
v o l t a g e
l o c k o u t
m i n i m u m
o f f - t i m e
o n e - s h o t
e r r o r
a m p l i f i e r
o v e r v o l t a g e
p r o t e c t i o n
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