參數(shù)資料
型號: L6728
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 1.5 A SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, DSO10
封裝: 3 X 3 MM, LEAD FREE, DFN-10
文件頁數(shù): 29/31頁
文件大?。?/td> 1361K
代理商: L6728
Obsolete
Product(s)
- Obsolete
Product(s)
L6728
Electrical specifications
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
VBOOT, VUGATE
to PHASE
to GND
to GND; t < 200 ns
15
33
45
V
VPHASE
to GND
to GND; t < 200 ns
-5 to 18
-8 to 30
V
VLGATE
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
(VCC = 5 V to 12 V; TJ = 0 to 70 °C unless otherwise specified)
Symbol
Parameter
Test conditions
Min
Typ
Max
Unit
Supply current and power-ON
ICC
VCC supply current
UGATE and LGATE = OPEN
6
mA
IBOOT
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
FSW
Main oscillator accuracy
270
300
330
kHz
ΔV
OSC
PWM ramp amplitude
1.4
V
dMAX
Maximum duty cycle
80
%
Reference and error amplifier
Output voltage accuracy
-0.8
-
0.8
%
A0
DC gain (1)
120
dB
GBWP
Gain-bandwidth product (1)
15
MHz
SR
Slew-rate (1)
8V/
μs
DIS
Disable threshold
COMP falling
0.70
0.85
V
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