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参数资料
| 型号： | L6928Q1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 1.65 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, DSO8 |
| 封装： | 3 X 3 MM, 1.08 MM HEIGHT, LEAD FREE, VFQFPN-8 |
| 文件页数： | 12/16页 |
| 文件大小： | 268K |
| 代理商： | L6928Q1 |
L6928
Electrical characteristics
5/16
3
Electrical characteristics
Table 4. Electrical characteristcs
(TJ = 25°C, VIN = 3.6V unless otherwise specified)
(1)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Vcc
Operating input voltage
After turn on
(1)
25.5
V
Vcc ON
Turn On threshold
2.2
V
Vcc OFF
Turn Off threshold
2
V
Vcc hys
Hysteresis
100
mV
Rp
High side Ron
Vcc = 3.6V, Ilx =100mA
240
300
m
(1)
400
Rn
Low side Ron
Vcc = 3.6V, Ilx =100mA
215
300
m
(1)
400
Ilim
Peak current limit
Vcc = 3.6V
11.2
1.5
A
(1)
0.85
1.65
Valley current limit
Vcc = 3.6V
11.4
1.7
A
(1)
0.9
1.85
Vout
Output voltage range
Vfb
Vcc
V
fosc
Oscillator frequency
1.4
MHz
fsync
Sync mode clock (2)
12
MHz
DC characteristics
Iq
Quiescent current (low
noise mode)
Vsync = 0V, no load,
VFB > 0.6V
230
A
Quiescent current (low
cunsumption mode)
Vsync = Vcc, no load,
VFB > 0.6V
(1)
25
50
A
Ish
Shutdown current
RUN to GND, Vcc = 5.5V
0.2
A
Ilx
LX leakage current (2)
RUN to GND, VLX = 5.5V,
Vcc = 5.5V
1
A
RUN to GND, VLX = 0V,
Vcc = 5.5V
1
A
Error amplifier characteristics
Vfb
Voltage feedback
0.593
0.600
0.607
V
(1)
0.590
0.600
0.610
V
Ifb
Feedback input current (2)
VFB = 0.6V
25
nA
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