参数资料
| 型号： | LV5052V-TLM-E |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 30SSOP |
| 标准包装： | 1,000 |
| PWM 型： | 控制器 |
| 输出数： | 2 |
| 频率 - 最大： | 1.1MHz |
| 电源电压： | 9.4 V ~ 16 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -20°C ~ 85°C |
| 封装/外壳： | 30-LSSOP（0.220"，5.60mm 宽） |
| 包装： | 带卷 (TR) |
LV5052V
Recommended Operating Condition at Ta = 25 ° C
Supply voltage
Parameter
Symbol
VIN
Conditions
Ratings
9.4 to 16
Unit
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
VREF
0.838
0.840
0.848
V
Supply current 1
Supply current 2
5V supply voltage
Over-current sense comparator offset
Over-current sense reference current
ICC1
ICC2
VLIN5
VCLOS
ICL
TD1,2 = 5V (Except for the Ciss charge)
TD1,2 = 0V
IVIN5 = 0 to 10mA
VIN = 10 to 14V
4
0.8
5.10
-5
75
6
1.4
5.30
85
8
2.0
5.50
+5
95
mA
mA
V
mV
μ A
source
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
UV_DELAY = 2V
UV_DELAY = 2V
100% at VFBx = VREF
-1.8
0.2
1.2
-4.3
0.2
1.5
77
-3.5
1.0
1.6
-8.6
1.0
2.4
82
-7.0
2.0
-17.2
3.5
87
μ A
mA
V
μ A
mA
V
%
VUVP detection hysteresis
Δ VUVP
4
%
Over-voltage detection
Output discharge transistor ON resistance
VOVP
VSWON
100% at VFBx = VREF
113
5
118
10
123
20
%
Ω
Output part
CBOOT leakage current
HDRVx LDRVx source current
HDRVx LDRVx sink current
ICBOOT
ISCDRV
ISKDRV
VCBOOT = VSW + 6.5V
1.0
1.0
10
μ A
A
A
HDRVx lower ON resistance
LDRVx 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
1.5
1.5
50
120
2.5
2.5
Ω
Ω
ns
ns
Oscillator
Oscillation frequency
Oscillation frequency range
fosc
foscop
CT=130pF
280
250
330
380
1100
kHz
kHz
Maximum ON duty
Minimum ON time
DON max
TON min
CT=130pF
CT=130pF
82
100
%
ns
Upper-side voltage saw- tooth wave
Lower-side voltage saw-tooth wave
ON time difference between CH1 to CH2
VsawH
VsawL
Δ Tdead
fOSC=300kHz
fOSC=300kHz
2.75
1
5
3.2
1.2
V
V
%
Continued on next page.
No.A1394-2/9
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