参数资料
| 型号： | LV5044V-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 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： | 4.5 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) |
LV5044V
Recommended Operating Conditions at Ta = 25 ° C
Parameter
Supply voltage
Symbol
VIN
VIN
Conditions
VIN and VLIN open.
VIN and VLIN short.
Ratings
7.5 to 16
4.5 to 6.0
Unit
V
V
Electrical Characteristics at Ta = 25 ° C, VIN = 12V
Parameter
Symbol
Conditions
min
Ratings
typ
max
Unit
System
Comparator reference voltage
VREF
0.818
0.826
0.834
V
Current drain 1
Current drain 2
5V supply voltage
Overcurrent detection comparator
ICC1
ICC2
VLIN5
VCLOS
TD1, TD2 = 5V (Excluding Ciss charge.)
TD1, TD2 = 0V
IVLIN5 = 0 to 10mA
2
0.3
4.75
-5
4
0.6
5.00
6
1.2
5.25
+5
mA
mA
V
mV
offset
Overcurrent detection reference
ICL
VIN = 10 to 14V
7.47
8.30
9.13
μ A
current
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
VSSTO
ISCUVD
ISKUVD
VUVD
VUVD op
TD1, TD2 = 5V
TD1, TD2 = 0V
UV_DELAY = 2V
UV_DELAY = 2V
100% at VFB = VREF
-1.8
0.2
1.2
-4.3
0.2
1.5
87
-3.5
1.0
1.6
-8.6
1.0
2.4
92
-7.0
2.0
-17.2
3.5
97
μ A
mA
V
μ A
mA
V
%
VUVP detection hysteresis
Δ VUVP
2
%
Overvoltage detection
VOVP
100% at VFB = VREF
112
117
122
%
Overvoltage detection delay time
VODLY
1.0
μ S
Output discharge transistor
VSWON
5
10
20
Ω
on-resistance
Output Block
CBOOT leakage current
HDRVx and LDRVX source current
HDRVx and LDRVX sink current
ICBOOT
ISCDRV
ISKDRV
VCBOOT = VSW + 6.5V
1.0
1.0
10
μ A
A
A
HDRVx low side on-resistance
LDRVx low side on-resistance
Simultaneous on prevention
RHDRV
RLDRV
Tdead1
IOUT=500mA
IOUT=500mA
LDRV off → HDRV on
1.5
1.5
50
2.5
2.5
Ω
Ω
nS
dead time 1
Simultaneous on prevention
Tdead2
HDRV off → LDRV on
120
nS
dead time 2
Continued on next page.
No.A0534-2/7
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| LV5045V-MPB-E | 制造商:ON Semiconductor 功能描述:DC-DC CONVERTER (BUCK) - Ammo Pack |
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