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| 型號： | Si786DSG |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Dual-Output Power-Supply Controller |
| 中文描述： | 雙輸出電源控制器 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大小： | 130K |
| 代理商： | SI786DSG |
Si786
Vishay Siliconix
www.vishay.com
2
Document Number: 70189
S-40807—Rev. J, 26-Apr-04
ABSOLUTE MAXIMUM RATINGS
V+ to GND
PGND to GND
V
L
to GND
BST
3
, BST
5
to GND
LX
3
to BST
3
LX
5
to BST
5
Inputs/Outputs to GND
(D
1
, D
2
, SHDN, ON
5
, REF, SS
5
, CS
5
. FB
5
, SYNC, CS
3
, FB
3
,
SS
3
, ON
3)
)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
H
to GND
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Q
1
, Q
2
to GND
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DL
3
, DL
5
to PGND
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DH
3
to LX
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DH
5
to LX
5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-0.3 V to 36 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 V
-0.3V to 7 V
-0.3V to 36 V
-7 V to 0.3 V
-7 V to 0.3 V
-0.3 V, (V
L
+ 0.3 V)
-0.3 V to 20 V
-0.3 V, (V
H
+ 0.3 V)
-0.3 V, (V
L
+ 0.3 V)
-0.3 V (BST
3
+ 0.3 )
-0.3 V (BST
5
+ 0.3 )
REF, V
L
Short to GND
REF Current
Momentary
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
L
Current
Continuous Power Dissipation (T
A
= 70 C)a
28-Pin SSOP
b
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
762 mW
Operating Temperature Range: (T
MIN
to T
MAX
)
Si786CG/CRG/CSG (C-Grade)
Si786LG/LRG/LSG (L-Grade)
Si786DG/DRG/DSG (D-Grade)
0 to 70 C
10 to 90 C
40 to 85 C
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
Lead Temperature (soldering, 10 sec)
300 C
. . . . . . . . . . . . . . . . . . . . . . . . . .
Notes
a.
b.
Device mounted with all leads soldered or welded to PC board.
Derate 9.52 mW/ C above 70 C.
Exposure to Absolute Maximum rating conditions for extended periods may affect device reliability. Stresses above Absolute Maximum rating may cause permanent
damage. Functional operation at conditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one
time
SPECIFICATIONS
Specific Test Conditions
Limits
e
Parameter
V+ = 15 V, I
= I
= 0 mA, SHDN = ON
3
= ON
= 5 V
Other Digital Input Levels 0 V or 5 V, T
A
= T
MIN
to T
MAX
Min
a
Typ
b
Max
a
Unit
3.3-V and 5-V Step-Down Controllers
Input Supply Range
5.5
30
FB
5
Output Voltage
0 mV < (CS
-FB
) < 70 mV, 6 V < V + < 30 V
(includes load and line regulation)
4.80
5.08
5.20
V
0 mV < (CS
-FB
) < 70 mV
6 V < V + < 30 V
(includes load and line regulation)
Si786CG/LG/DG
3.17
3.35
3.46
FB
3
Output Voltage
Si786CRG/LRG/DRG
3.32
3.50
3.60
Si786CSG/LSG/DSG
3.46
3.65
3.75
Load Regulation
Either Controller (CS_ to FB_ = 0 to 70 mV)
2.5
%
Line Regulation
Either Controller (V+ = 6 V to 30 V)
0.03
%/V
Current Limit Voltage
Current-Limit Voltage
CS
3
-FB
3
or CS
5
-FB
5
80
100
120
mV
Si786DG/DRG/DSG
77
100
120
SS
3
/SS
5
Source Current
2.5
4.0
6.5
A
Si786DG/DRG/DSG
2.3
4.0
6.5
SS
3
/SS
5
Fault Sink Current
2
mA
Internal Regulator and Reference
V
L
Output Voltage
ON
5
= ON
= 0 V, 5.5 V < V+ < 30 V
0 mA < I
L
< 25 mA
Falling Edge, Hysteresis = 1%
4.5
5.5
V
L
Fault Lockout Voltage
V
L
/FB
5
Switchover Voltage
REF Output Voltage
3.6
4.2
V
Rising Edge of FB
5
, Hysteresis = 1%
No External Load
c
4.2
4.7
3.24
3.36
REF Fault Lockout Voltage
Falling Edge
0 mA < I
L
< 5 mA
d
2.4
3.2
REF Load Regulation
30
75
mV
V+ Shutdown Current
SHDN = D
1
= D
= ON
3
= ON
5
= 0 V
V+ = 30 V
25
40
A
V+ Standby Current
D
1
= D
2
= ON
3
= ON
5
= 0 V, V+ =
30 V
70
110
Si786DG/DRG/DSG
70
115
Quiescent Power Consumption
(both PWM controllers on)
D
1
= D
2
= 0 V, FB
5
= CS
5
=
5 25 V
5.25 V
FB
3
= CS
3
= 3.5 V
FB
5
= CS
5
= 5.25 V, V
L
Switched Over to FB
5
5.5
8.6
mW
Si786DG/DRG/DSG
5.5
9.0
V+ Off Current
30
60
A
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|---|---|
| SI786DSG-E3 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Dual 3.6V Step-Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| SI786DSG-T1 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Dual 3.6V Step-Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| SI786DSG-T1-E3 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Dual 3.6V Step-Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| SI786LG | 功能描述:DC/DC 開關(guān)控制器 3.3V Power Sup Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| SI786LG-E3 | 功能描述:DC/DC 開關(guān)控制器 3.3V Power Sup Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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