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参数资料
| 型号： | LSP6501MSAC |
| 厂商： | LITE-ON SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2.3 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | MSOP-8 |
| 文件页数： | 4/10页 |
| 文件大小： | 347K |
| 代理商： | LSP6501MSAC |
LSP6501
1.6A, 1.3MHz, Boost DC-DC Converter
With Internal Switch
VER. 1.2
3/10
Shutdown Current
ISC
SHDN
__________
= GND
0.1
10
uA
FB Reference Voltage
VFB
1.228
1.252
1.24
V
FB Input Current
Ibias
VFB=VREF
1
40
nA
FB Voltage Line
Regulation
COMP=FB, 2.6V VDD 5.5V
-
0.1
0.15
%/V
Error Amp
ansconductance
Tr
*
Gm
7
ICOMP= 5uA
0
105
240
uA/
V
Err
n*
or Amp Gai
AV
-
1500
-
V/V
FREQ=GND
540
640
740
Oscillated Frequency
Fosc
FREQ=V
1100
16
DD
1320
00
kHz
FREQ=GND
79
85
92
Maximum Duty Cycle
DMAX
FREQ=VDD
85
%
Current Limit
ILIM
VDD=1V, D=0.65
1.2
1.6
2.3
A
ON-Resistance
RON
0.23
0.5
Isw=1.2A
Leakage Current
ISWOFF
V =12V
SW
0.01
20
uA
Res
nce
et Switch Resista
300
Sof
nt
1.5
t Start Charge curre
Iss
Vss=1.2V
4
7
uA
Input Low Voltage
V
SHDN
__________
, FREQ; V
.
0
IL
DD=2.6V to 5.5V
.3VDD
V
Input High Voltage
VIH
SHDN
__________
, FREQ; VDD
.
0
DD
=2.6V to 5.5V
.7V
V
Hysteresis
SHDN
__________
, FREQ;
0.1 DD
V
FREQ Pull-Down Current
I
5.0
9.0
FREQ
1.8
uA
SHDN Input Current
Ishut n
dow
0.001
1
uA
*: Guaranteed by design, not 100% tested in production.
FUNCTIONAL BLOCK DIAGRAM
1
Driver
FB
Ramp
Summer
PWM
Comparator
Error
Amp
63m
Sync
S
LOGIC
CONTROL
R
∑
Switch
Oscillator
1.24V
Reference
2
7
3
6
4
8
5
GND
SHDN
VDD
SW
SS
COMP
FREQ
Current
Sense
Slope
Compensation
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