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參數(shù)資料
| 型號(hào)： | AT5802 |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | Preliminary 4-Channel driver + Power Controller |
| 中文描述： | 初步4通道驅(qū)動(dòng)器電源控制器 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 268K |
| 代理商： | AT5802 |
AT5802
Preliminary
4-Channel driver + Power Controller
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 WWW:
http://www.aimtron.com.tw
Fax: 886-3-563-0879 Email:
service@aimtron.com.tw
6
Parameter
Symbol Min.
Typ.
Max.
Unit
Conditions
VG pin threshold voltage V
VGTH
6.0
6.5
7.0
V
LG=5V
DC/DC converter
SW pin output voltage H
V
SWH
1.3
1.8
-
V
CT=0.2V, I
SW
=-5mA, EI=0.7,
V
SPRT
=0V
CT=2V, I
SW
=1mA
SW pin output voltage L
SW pin oscillating
frequency at start
SW pin oscillating
frequency (self-running)
SW pin oscillating
frequency (CLK
synchronization)
SW pin pulse duty at start D
SWSTA
SW pin oscillating
maximum pulse duty
(self-running)
SW pin oscillating
maximum pulse duty
(CLK synchronization)
V
SWL
-
0.5
1.0
V
t
SWSTA
75
100
125
KHz
VSYS=1.6V, VG=5V
f
SW1
46
58
70
KHz
EI=0.7, CT=470PF, V
SPRT
=0V
f
SW2
-
88.2
-
KHz
EI=0.7, f
CLK
=88.2KHz,
V
SPRT
=0V
40
50
60
﹪
VSYS=1.6V, VG=5V
D
SW1
80
90
95
﹪
EI=0.7, CT=470PF, V
SPRT
=0V,
CLK=0V
D
SW2
80
90
95
﹪
EI=0.7, CT=470PF, V
SPRT
=0V
Triangular wave generation circuit
CT pin
threshold voltage H
CT pin
threshold voltage L
CT pin sink current
CT pin output
current ratio
V
CTTHH
0.5
0.6
0.7
V
CT=0.5V
→
0.8V sweep
V
CTTHL
0.14
0.2
0.26
V
CT=0.3V
→
0V sweep
I
CTSIN
80
92
104
μ
A
CT=1.0V
H
CT
6.5
8
9.5
-
Sink current/source current
VSYS circuit section
1.40
1.51
Discharge release voltage
Starter
→
normal
switching voltage
Normal
→
starter
switching voltage
Starter
→
normal switching
hysteresis voltage
V
DIS
1.62
V
V
STN
1.65
1.75
1.85
V
VSYS=1.5V
→
2V sweep
V
NST
1.57
1.67
1.77
V
VSYS=2V
→
1.5V sweep
V
STNHIS
40
80
120
mV V
STN
-V
NST
Reset section
EI pin reset voltage
threshold ratio
H
RST
80
85
90
﹪
Ratio of EI pin threshold ratio
Reset pin output voltage
V
ORESE
T
I
LKRESE
T
-
-
0.5
V
I
RESET
=-1mA
Reset pin leak current
-
-
2
μ
A
V
RESET
=2.5V
Regulator circuit section
Regulator output voltage
REGB pin output voltage V
OREGB
V
REG
2.9
-
3.2
-
3.5
1.4
V
V
REGO=OPEN, DC_IN=6V
DC_IN=6V, I
REG
=10mA
REGO=3.5V, DC_IN=6V,
REGB=6V
mA DC_IN=6V
REGB pin leak current
I
LKREGB
-
-
3
μ
A
REGB pin limit current
I
LMREGB
10
15
20
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