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参数资料
| 型号： | L6712DTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, PDSO28 |
| 封装： | SO-28 |
| 文件页数： | 25/29页 |
| 文件大小： | 624K |
| 代理商： | L6712DTR |
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L6712A L6712
Note: 1. Output voltage is specified including Error Amplifier Offset in the trimming chain. Remote Amplifier is not included.
Table 5. Voltage Identification (VID) Codes.
PROTECTIONS
PGOOD
Upper Threshold
VSEN Rising
108
112
115
%
Lower Threshold
VSEN Falling
84
88
92
%
OVP
Over Voltage Threshold
VSEN Rising
115
122
130
%
UVP
Under Voltage Trip
VSEN Falling
55
60
65
%
VPGOODL
PGOOD Voltage Low
IPGOOD = -4mA
0.4
V
IPGOODH
PGOOD Leakage
VPGOOD = 5V
1
A
VID2
VID1
VID0
Output Voltage (V)
11
1
Ext. Ref.
11
0
0.900
10
1
1.250
10
0
1.500
01
1
1.715
01
0
1.800
00
1
2.500
00
0
3.300
Table 6. Pin Function
N. (*)
Name
Description
SO
VFQFPN
1
33
LGATE1
Channel 1 LS driver output.
A little series resistor helps in reducing device-dissipated power.
2
34
VCCDR
LS drivers supply: it can be varied from 5V to 12V buses.
Filter locally with at least 1
F ceramic cap vs. PGND.
3
35
PHASE1
Channel 1 HS driver return path. It must be connected to the HS1 mosfet source
and provides the return path for the HS driver of channel 1.
4
36
UGATE1
Channel 1 HS driver output.
A little series resistor helps in reducing device-dissipated power.
5
2
BOOT1
Channel 1 HS driver supply. This pin supplies the relative high side driver.
Connect through a capacitor (100nF typ.) to the PHASE1 pin and through a diode
to VCC (cathode vs. boot).
6
4
VCC
Device supply voltage. The operative supply voltage is 12V ±10%.
Filter with 1
F (Typ.) capacitor vs. GND.
7
5,6
SGND
All the internal references are referred to this pin. Connect it to the PCB signal
ground.
8
7
COMP
This pin is connected to the error amplifier output and is used to compensate the
control feedback loop.
9
8
FB
This pin is connected to the error amplifier inverting input and is used to
compensate the control feedback loop.
Table 4. Electrical Characteristcs (continued)
(VCC = 12V±10%, TJ = 0°C to 70°C unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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