参数资料
型号: LV5051T
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO24
封装: 0.225 INCH, TSSOP-24
文件页数: 2/8页
文件大小: 100K
代理商: LV5051T
LV5051T
No.A0819-2/8
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Battery supply voltage
VPVCC1
1.5 to 4.4
V
AC adapter supply voltage
VPVCC2
2.0 to 8.0
V
Electrical Characteristics Ta
= 25°C, PVCC1 = 2.4V, PVCC2 = 4.5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Common
Supply current 1
(power save mode battery current)
IPVCC11
STBYIN1 = 2.5V, PVCC1 = 2.4V
See test circuit diagram A.
0.04
0.1
0.2
mA
Supply current 2
(power save mode adaptor current)
IPVCC21
STBYIN1 = 2.5V, PVCC2 = 4.5V
See test circuit diagram B.
0.08
0.2
0.4
mA
Supply current 3
(normal mode battery current)
IPVCC12
STBYIN1 = 0V, PVCC1 = 2.4V
See test circuit diagram C.
0.6
1.3
2.6
mA
Supply current 4
(normal mode adapter current)
IPVCC22
STBYIN1 = 0V, PVCC2 = 4.5V
See test circuit diagram D.
0.8
1.6
3.2
mA
Supply current 5
(PVCC1 UV mode current)
IPVCC13
PVCC1 = 1.4V, STBYIN1 = 0V
See test circuit diagram E.
1
20
μA
Charge pump consumption current
IVG
= IPVCC12 - IPVCC11
0.6
1.2
2.4
mA
Charge pump output voltage
VG
See test circuit diagram C.
VDD2P51 = 2.5V
PVCC1
+3.5
PVCC1
+4.6
PVCC1
+4.9
V
2.5V step up/down DC/DC converter
Efficiency 1(*)
η1
STBYIN1 = 2.5V, IO = 0.2mA
60
%
Efficiency 2(*)
η2
STBYIN1 = 0V, IO = 50mA
90
%
Switching frequency 1
f1
STBYIN1 = 2.5V
160
200
260
kHz
EI pin threshold voltage
VEITH
0.47
0.50
0.53
V
EI pin input current
IEI
-0.1
-0.01
μA
EO pin output voltage
VEOL
IEO = 0.05mA
0.4
V
Normal mode SW1 pin
on-resistance H
RSW1H
0.6
1.0
Ω
Normal mode SW2 pin
on-resistance H
RSW2H
0.6
1.0
Ω
Normal mode SW2 pin
on-resistance L
RSW2L
0.6
1.0
Ω
Power save mode SW1 pin
on-resistance H
RSW1UL
5
20
Ω
Power save mode SW2 pin
on-resistance L
RSW2DL
3
10
Ω
2.5VOUT2 pin on-voltage
ROUT2
0.3
0.8
Ω
SW1 pin leakage current H
ISW1LKH
2
μA
SW1 pin leakage current L
ISW1LKL
-2
μA
SW2 pin leakage current H
ISW2LKH
2
μA
SW2 pin leakage current L
ISW2LKL
-2
μA
2.5VOUT2 pin leakage current
IOUT2LK
2
μA
STBYIN1 pin H-level voltage
VSTBYIN1H
1.5
V
STBYIN1 pin L-level voltage
VSTBYIN1L
0.5
V
STBYIN1 pin input current
ISTBYIN1
VSTBYIN1 = 2.5V
20
30
μA
SOFT pin current
IS1
0.5
1
2
μA
REF pin voltage
VREF
1.16
1.22
1.30
V
2.5V step-up/down stop circuit
Detection voltage
UVLO21
1.4
1.5
1.6
V
Reset voltage
UVLO22
1.85
2.0
2.15
V
Continued on next page.
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