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參數(shù)資料
| 型號： | L6716TR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, QCC48 |
| 封裝： | 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFP-48 |
| 文件頁數(shù)： | 56/57頁 |
| 文件大?。?/td> | 829K |
| 代理商： | L6716TR |
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Pin description and connection diagram
L6716
8/57
Doc ID 14521 Rev 3
2
Pin description and connection diagram
Figure 5.
Pin connection (top view)
2.1
Pin description
48
47
46
45
44
43
42
41
40
39
38
37
13
14
15
16
17
18
19
20
21
22
23
24
36
35
34
33
32
31
30
29
28
27
26
25
123456789
10
11
12
OCSET/PSI_A
OSC/FAULT
SSOSC
OUTEN
CS1+
CS1-
CS2+
CS2-
CS3+
CS3-
CS4+
CS4-
UGATE1
PHASE1
N.C.
LGATE1
LGATE2
LGATE3
VCCDR
PHASE2
UGATE2
BOOT2
PHASE3
UGATE3
BOO
T3
SSEND
PSI
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
PWM4/
PH_SEL
BOO
T1
SGND
VCC
COMP
FB
VSEN
FBG
LT
B
IMON
LTBGAIN
OFFSET
O
VPSEL
49 PGND
Table 2.
Pin description
N°
Name
Description
1BOOT1
Channel 1 HS driver supply.
Connect through a capacitor (100 nF typ.) to PHASE1 and provide necessary bootstrap diode.
A small resistor in series to the boot diode helps in reducing boot capacitor overcharge.
2
SGND
All the internal references are referred to this pin. Connect it to the PCB signal ground.
3VCC
Device supply voltage pin.
The operative supply voltage is 12 V ±15%. Filter with at least 1
μF capacitor vs. SGND.
4COMP
Error amplifier output. Connect with an RF - CF//CP vs. FB pin.
The device cannot be disabled by pulling down this pin.
5FB
Error amplifier inverting input pin.
Connect with a resistor RFB vs. VSEN and with an RF - CF//CP vs. COMP pin.
A current proportional to the load current is sourced from this pin in order to implement the
Droop effect. See “Droop function” Section for details.
6VSEN
Output voltage monitor, manages OVP/UVP protections and FB disconnection.
Connect to the positive side of the load to perform remote sense.
See “Layout guidelines” Section for proper layout of this connection.
7FBG
Connect to the negative side of the load to perform remote sense.
See “Layout guidelines” Section for proper layout of this connection.
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