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参数资料
| 型号： | LLV5256GP |
| 元件分类： | 稳压器 |
| 英文描述： | 0.6 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, QCC20 |
| 封装： | 3 X 3 MM, VCT-20 |
| 文件页数： | 2/9页 |
| 文件大小： | 142K |
| 代理商： | LLV5256GP |
LV5256GP
No.A1277-2/9
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
VIN
4.5 to 10
V
Input voltage range
VDD
2.9 to 3.1
V
V1
When in normal operation mode
1.0 to VIN
V
Step-down
V2
When in tracking operation mode
0 to VIN
V
VOUT1
When in normal operation mode
5.3 to 14
V
Output voltage range
Step-up
VOUT2
When in tracking operation mode
VIN to
V
Output current
IO
600
mA
Electrical Characteristics at Ta = 25°C, VDD = 3.0V, VIN = 6.0V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Reference voltage
Reference voltage for comparison
Vref
-1%
1.0
-1%
V
Error amplifier
Input voltage range
Vrange
0
1.5
V
Open loop voltage gain
Av
60
110
dB
Unity-gain bandwidth
Ft
2
8
MHz
Output source current
IfboL
IN = 2.0V, FB = 1.0V
2
mA
Output sink current
IfboH
IN = 0V, FB = 0V
100
A
IN pin source current
IiniL
IN = 0V
100
300
nA
FB pin output range
R_fb
0.1
V
TRAC_IN pin source current
ItracL
IN = 0 to Vref
100
300
nA
TRAC_IN pin input operation range
R_trac
0.1
Vref-0.1
V
Logic input pin block 1 (ONOFF)
Input voltage H level
VoniH
2.8
V
Input voltage L level
VoniL
0.5
V
Input current H level
IoniH
ONOFF = 3.3V
0
A
Input current L level
IoniL
ONOFF = 0V
0
A
Logic input pin block 2 (DU_SEL)
Input voltage H level
VduiH
2.8
V
Input voltage L level
VduiL
0.5
V
Input pull-down resistance
Rdu
200
k
Logic input pin block 3 (OCP_SEL)
Input voltage H level
VocpiH
2.8
V
Input voltage L level
VocpiL
0.5
V
Input pull-down resistance
Rocp
100
k
Soft start
Soft start source current
IssH
SS = 0V
7
10
13
A
Soft start sink current
IssL
When reset, SS = 1.0V
1
mA
Short-circuit protection, SCP
Short-circuit protection detection
voltage 1
Vsc1
OCP_SEL=GND/OPEN *1
× 0.8
V
Short-circuit protection detection
voltage 2
Vsc2
OCP_SEL=REG_0 *1
× 0.4
V
SCP comparator offset voltage
SCPosf
TRAC_IN = 0.7V, operation starts from 0.9V.
-40
40
mV
OCP pin source current
IocpH
When in short-circuit protection detection mode
10
A
OCP pin sink current
IocpL
When in normal operation mode, OCP = 1.0V
0.3
1
3
mA
OCP timer latch voltage
Vocp
1.1
1.2
1.3
V
Continued on next page.
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