参数资料
型号: LV5050NV-TLM-E
厂商: ON Semiconductor
文件页数: 2/7页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 20-SSOP
标准包装: 2,000
PWM 型: 控制器
输出数: 1
频率 - 最大: 1.1MHz
电源电压: 4.5 V ~ 16 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -20°C ~ 85°C
封装/外壳: 20-LSSOP(0.173",4.40mm 宽)
包装: 带卷 (TR)
LV5050NV
Recommended Operating Condition at Ta = 25 ° C
Supply voltage
Supply voltage
Parameter
Symbol
VIN
VIN
Conditions
VIN and VLIN5 pins opens
VIN and VLIN5 pins shorted
Ratings
7.5 to 16
4.5 to 6.0
Unit
V
V
Electrical Characteristics at Ta = 25 ° C, VIN=12V, Unless especially specified
Parameter
Symbol
Conditions
min
Ratings
typ
max
Unit
System
Reference voltage for comparing
Supply current 1
VREF
ICC1
TD = 5V (Except for the Ciss charge)
0.818
0.826
2
0.834
4
V
mA
Supply current 2
5V supply voltage
Over-current sense comparator offset
Over-current sense reference current
ICC2
VLIN5
VCLOS
ICL
TD = 0V
IVIN5 = 0 to 10mA
VIN = 10 to 14V
0.3
4.75
-5
7.47
0.6
5.00
8.30
1.2
5.25
+5
9.13
mA
V
mV
μ A
source
Leading edge pulse blank time
TLEPB
120
150
Soft start source current
Soft start sink current
Soft start clamp voltage
UV_DELAY source current
UV_DELAY sink current
UV_DELAY threshold voltage
UV_DELAY operating voltage
ISSSC
ISSSK
VSST0
ISCUVD
ISKUVD
VUVD
VUVP
TD = 5V
TD = 0V
When the voltage of the SS pin operating
UV_DELAY = 2V
UV_DELAY = 2V
100% at VFB = VREF
-2.0
0.5
1.2
-6.1
0.5
1.9
87
-3.5
2.0
1.6
-8.6
2
2.4
92
-5.0
2.0
-12.0
3.0
97
μ A
mA
V
μ A
mA
V
%
VUVP detection hysteresis
Δ VUVP
1.5
%
Output discharge transistor ON resistance
VSWON
5
10
20
Ω
Output part
CBOOT leakage current
HDRV LDRV source current
HDRV LDRV sink current
ICBOOT
ISCDRV
ISKDRV
VCBOOT = VSW + 6.5V
0.5
0.5
1.0
1.0
10
μ A
A
A
HDRV lower ON resistance
LDRV lower ON resistance
Synchronous ON prevention dead time 1
Synchronous ON prevention dead time 2
RHDRV
RLDRV
Tdead1
Tdead2
IOUT = 500mA
IOUT = 500mA
LDRV OFF → HDRV ON
HDRV OFF → LDRV ON
0.5
0.5
50
70
1.5
1.5
70
120
3.0
3.0
120
280
Ω
Ω
ns
ns
Oscillator
Oscillation freaquency
Oscillation frequency range
Maximum ON duty
Minimum ON time
Upper-side voltage saw- tooth wave
Lower-side voltage saw-tooth wave
fosc
foscop
DON max
TON min
VsawH
VsawL
CT = 130pF
CT = 130pF
CT = 130pF
fOSC = 300kHz
fOSC = 300kHz
280
250
83
1.5
0.8
330
90
100
2
1
380
1100
79
2.6
1.2
kHz
kHz
%
ns
V
V
Continued on next page.
No.A1159-2/7
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