参数资料
型号: LV5044V-TLM-E
厂商: ON Semiconductor
文件页数: 3/7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:
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: 30-LSSOP(0.220",5.60mm 宽)
包装: 带卷 (TR)
LV5044V
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Oscillator
Oscillator frequency
Oscillator frequency range
fOSC
fOSC op
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
Sawtooth wave high side voltage
Sawtooth wave low side voltage
On time difference between
VsawH
VsawL
Δ Tdead
fOSC = 300kHz
fOSC = 300kHz
2.2
1
5
2.6
1.2
V
V
%
channels 1 and 2
Error Amplifier
Error amplifier input current
COMP pin source current
COMP pin sink current
Error amplifier gm
Current detection amplifier gain
IFB
ICOMPSC
ICOMPSK
gm
GISNS
-200
18
500
1.5
-100
-100
100
700
2.0
200
-18
900
2.5
nA
μ A
μ A
μ mho
dB
Logic Output
Sink current in the power good
IpwrgdL
VPGOOD = 0.4V
0.5
1.0
mA
low state
Leakage current in the power good
IpwrgdH
VPGOOD = 12V
10
μ A
high state
TD pin threshold level
TD pin open voltage
TD pin source current during charge
TD pin sink current during discharge
VONTD
VTDH
ITDSC
ITDSK
When the TD pin is stepped up
VIN – VLIN5 open.
1.5
4.5
-1.8
0.8
2.4
5.0
-3.5
2
3.5
5.5
-7.0
5
V
V
μ A
mA
CLKO high-level voltage
CLKO low-level voltage
VCLKOH
VCLKOL
ICLKO = 1mA
ICLKO = 1mA
0.7VLIN5
0.3VLIN5
V
V
Protection Functions
VIN UVLO release voltage
UVLO hysteresis
VUVLO
Δ VUVLO
3.5
4.1
0.2
4.3
V
V
Package Dimensions
unit : mm
glass epoxy.
3191B
30
9.75
16
1.2
1.0
Pd max -- Ta
Specified Substrate (114.3 × 76.1 × 1.6mm 3 )
1.00
0.8
0.6
0.52
(0.33)
1
0.65
0.22
15
0.15
0.4
0.2
0
-20
0
20
40
60
80
100
Ambient temperture, Ta -- ° C
OMG0618
SANYO : SSOP30(275mil)
No.A0534-3/7
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