參數(shù)資料
型號(hào): L6728TR
廠商: 意法半導(dǎo)體
英文描述: Single phase PWM controller with PowerGOOD
中文描述: 單相PWM控制器與電源良好
文件頁(yè)數(shù): 7/32頁(yè)
文件大?。?/td> 942K
代理商: L6728TR
L6728
Electrical specifications
7/32
4
Electrical specifications
4.1
Absolute maximum ratings
Table 4.
Absolute maximum ratings
4.2
Electrical characteristics
Symbol
Parameter
Value
Unit
VCC
to GND
-0.3 to 15
V
V
BOOT,
V
UGATE
to PHASE
to GND
to GND; t < 200ns
15
33
45
V
V
PHASE
to GND
to GND; t < 200ns
-5 to 18
-8 to 30
V
V
LGATE
to GND
-0.3 to VCC+0.3
V
FB, COMP, VSEN to GND
-0.3 to 3.6
V
PGOOD to GND
-0.3 to VCC+0.3
V
Table 5.
Electrical characteristics
(V
CC
= 5V to 12V; T
j
= 0
°
to 70
°
C unless otherwise specified).
Parameter
Symbol
Test conditions
Min.
Typ.
Max.
Unit
Supply current and power-ON
I
CC
VCC supply current
UGATE and LGATE = OPEN
6
mA
I
BOOT
BOOT supply current
UGATE = OPEN; PHASE to GND
0.7
mA
UVLO
VCC Turn-ON
VCC Rising
4.1
V
Hysteresis
0.2
V
OSCILLATOR
F
SW
V
OSC
Main oscillator accuracy
270
300
330
kHz
PWM ramp amplitude
1.4
V
d
MAX
Maximum duty cycle
80
%
Reference and error amplifier
Output voltage accuracy
-0.8
-
0.8
%
A
0
DC Gain
(1)
120
dB
GBWP
Gain-bandwidth product
(1)
15
MHz
SR
Slew-rate
(1)
8
V/
μ
s
DIS
Disable threshold
COMP Falling
0.70
0.85
V
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