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参数资料
| 型号： | LV5256GP-TE-L-E |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST SYNC ADJ VCT20 |
| 标准包装： | 2,000 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1 V ~ 14 V |
| 输入电压： | 4.5 V ~ 10 V |
| 频率 - 开关： | 300kHz ~ 1.5MHz |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-VCT（3x3） |
LV5256GP
Recommended Operating Conditions at Ta = 25°C
Parameter
Input voltage range
Symbol
VIN
VDD
Conditions
Ratings
4.5 to 10
2.9 to 3.1
Unit
V
V
Output voltage range
Output current
Step-down
Step-up
V1
V2
VOUT1
VOUT2
IO
When in normal operation mode
When in tracking operation mode
When in normal operation mode
When in tracking operation mode
1.0 to VIN
0 to VIN
5.3 to 14
VIN to
600
V
V
V
V
mA
Electrical Characteristics at Ta = 25°C, VDD = 3.0V, VIN = 6.0V
Parameter
Symbol
Conditions
min
Ratings
typ
max
Unit
Reference voltage
Reference voltage for comparison
Vref
-1%
1.0
-1%
V
Error amplifier
Input voltage range
Open loop voltage gain
Unity-gain bandwidth
Vrange
Av
Ft
0
60
2
110
8
1.5
V
dB
MHz
Output source current
Output sink current
IfboL
IfboH
IN = 2.0V, FB = 1.0V
IN = 0V, FB = 0V
2
100
mA
μ A
IN pin source current
FB pin output range
TRAC_IN pin source current
TRAC_IN pin input operation range
IiniL
R_fb
ItracL
R_trac
IN = 0V
IN = 0 to Vref
0.1
0.1
100
100
300
300
Vref-0.1
nA
V
nA
V
Logic input pin block 1 (ONOFF)
Input voltage H level
Input voltage L level
VoniH
VoniL
2.8
0.5
V
V
Input current H level
Input current L level
IoniH
IoniL
ONOFF = 3.3V
ONOFF = 0V
0
0
μ A
μ A
Logic input pin block 2 (DU_SEL)
Input voltage H level
Input voltage L level
Input pull-down resistance
VduiH
VduiL
Rdu
2.8
200
0.5
V
V
k Ω
Logic input pin block 3 (OCP_SEL)
Input voltage H level
Input voltage L level
Input pull-down resistance
VocpiH
VocpiL
Rocp
2.8
100
0.5
V
V
k Ω
Soft start
Soft start source current
Soft start sink current
IssH
IssL
SS = 0V
When reset, SS = 1.0V
7
10
1
13
μ A
mA
Short-circuit protection, SCP
Short-circuit protection detection
Vsc1
OCP_SEL=GND/OPEN *1
× 0.8
V
voltage 1
Short-circuit protection detection
Vsc2
OCP_SEL=REG_0 *1
× 0.4
V
voltage 2
SCP comparator offset voltage
OCP pin source current
SCPosf
IocpH
TRAC_IN = 0.7V, operation starts from 0.9V.
When in short-circuit protection detection mode
-40
10
40
mV
μ A
OCP pin sink current
OCP timer latch voltage
IocpL
Vocp
When in normal operation mode, OCP = 1.0V
0.3
1.1
1
1.2
3
1.3
mA
V
Continued on next page.
No.A1277-2/9
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