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參數(shù)資料
| 型號： | LV5040V |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A DUAL SWITCHING CONTROLLER, 340 kHz SWITCHING FREQ-MAX, PDSO30 |
| 封裝： | 0.275 INCH, SSOP-30 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 378K |
| 代理商： | LV5040V |
LV5040V
No.A0357-2/7
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VIN
10 to 14
V
Electrical Characteristics at Ta
= 25°C, VIN = 12V
Ratings
Parameter
Symbol
Conditions
min
type
max
Unit
System
VIN = 10 to 14V
1.201
1.220
1.238
V
Comparator reference voltage
VREF
Tj = -20
°C to 85°C (Design guarantee)
1.195
1.241
V
TD = 5V, VIN = 12V
3.4
4.1
4.7
mA
Current drain 1
ICC1
TD = 5V, VIN = 10 to 14V
3.3
4.8
mA
TD = 0V, VIN = 12V
1.2
1.4
1.6
mA
Current drain 2
ICC2
TD = 0V, VIN = 10 to 14V
1.1
1.7
mA
VIN = 10 to 14V, IVLIN5 = 0 to 5mA
4.75
5
5.25
V
5V supply voltage
VLIN5
Tj = -20
°C to 85°C (Design guarantee)
4.70
5.30
V
VIN = 10 to 14V, IVLIN8 = 0 to 10mA
7.6
8
8.4
V
8V supply voltage
VLIN8
Tj = -20
°C to 85°C (Design guarantee)
7.5
8.5
V
VCLOS
±2
±7
mV
Overcurrent detection comparator
offset
VIN = 10 to 14V
9
10
11
A
Overcurrent detection reference
current source
ICL
Tj = -20
°C to 85°C (Design guarantee)
8.7
11.3
A
Soft start source current
ISSSC
TD = 5V
-5
-10
-15
A
Soft start sink current
ISSSK
TD = 0V
80
200
500
A
Soft start clamp voltage
VSSTO
3.2
V
UV_DELAY source current
ISCUVD
UV_DELAY = 2V
2.5
5.0
7.5
A
UV_DELAY sink current
ISKUVD
UV_DELAY = 2V
0.4
1.0
2.5
mA
UV_DELAY threshold voltage
VUVD
2.4
V
UV_DELAY operating voltage
VUVD op
75
80
85
%
VUVP detection hysteresis
VUVP
1.5
%
Overvoltage detection
VOVP
107
111
117
%
Overvoltage detection delay time
VODLY
1.0
S
VSWON
7.5
15
30
Output discharge transistor
on-resistance
Output Block
CBOOT leakage current
ICBOOT
VCBOOT = 7V
10
A
HDRVx and LDRVX source current
ISCDRV
0.8
A
HDRVx and LDRVX sink current
ISKDRV
1.1
A
HDRVx low side on-resistance
RHDRV
2.2
LDRVx low side on-resistance
RLDRV
1.1
Tdead1
LDRV off
→ HDRV on
70
nS
Simultaneous on prevention
dead time 1
Tdead2
HDRV off
→ LDRV on
70
nS
Simultaneous on prevention
dead time 2
Oscillator
CT = 180pF
260
300
340
kHz
Oscillator frequency
fOSC
Tj = -20
°C to 85°C (Design guarantee)
255
300
340
kHz
83
88
93
%
Maximum on duty
DON max
Tj = -20
°C to 85°C (Design guarantee)
82
94
%
Minimum on time
TON min
100
nS
Sawtooth wave high side voltage
VsawH
Fosc = 300kHz
2.6
V
Sawtooth wave low side voltage
VsawL
Fosc = 300kHz
1
V
Tdead
1
%
On time difference between
channels 1 and 2
Continued on next page.
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