参数资料
型号: L6711TR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 2 A SWITCHING CONTROLLER, 178 kHz SWITCHING FREQ-MAX, PQFP48
封装: 7 X 7 MM, 1 MM HEIGHT, TQFP-48
文件页数: 35/50页
文件大小: 679K
代理商: L6711TR
Obsolete
Product(s)
- Obsolete
Product(s)
Driver section
L6711
40/50
Moreover, since the device has an exposed pad to better dissipate the power, also the
thermal resistance between junction and ambient is important.
Figure 16 shows the Switching Power for different kind of mosfets driven.
Figure 20.
Controller power dissipated (Quiescent + Switching; VCC = VCCDR = VBOOT
= 12V)
0
500
1000
1500
2000
2500
3000
10 0
3 00
500
700
900
Sw it ch ing Frequency [k Hz] p er Phase
C
ont
ro
ll
er
D
issi
apt
e
d
Po
w
e
r[
m
W
]
Q G_HS=24nC
Q G_LS=62nC
Q G_HS=18nC
Q G_LS=47nC
Q G_HS=3 6nC
Q G_LS=94nC
Q G_HS=48 n C
Q G_LS= 124nC
Q G_HS=72nC
Q G_LS=196nC
0
50 0
100 0
150 0
200 0
250 0
300 0
100
300
500
700
900
S w itc hing Freq uen cy [kH z] p er P hase
C
o
n
tr
o
ll
e
rD
iss
ia
pt
ed
P
o
w
e
r[
m
W
]
Q G_HS= 24nC
Q G_LS= 62n C
Q G_HS= 18nC
Q G_LS= 47n C
Q G_HS= 36nC
Q G_LS=9 4nC
Q G_HS= 48n C
Q G_L S=124n C
Q G_HS= 72n C
Q G_LS= 1 96nC
RGATE = RGATE_MOSFET = 0
RGATE_HS = 2.2; RGATE_LS = 3.3; RGATE_MOSFET = 1
相关PDF资料
PDF描述
L6711 2 A SWITCHING CONTROLLER, 178 kHz SWITCHING FREQ-MAX, PQFP48
L6714TR SWITCHING CONTROLLER, 170 kHz SWITCHING FREQ-MAX, PQFP64
L6714 SWITCHING CONTROLLER, 170 kHz SWITCHING FREQ-MAX, PQFP64
L6725TR 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16
L6728ATR SWITCHING CONTROLLER, 660 kHz SWITCHING FREQ-MAX, PDSO10
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