参数资料
| 型号： | LV5747NTT-TLM-E |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/5页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 12-MSOP |
| 标准包装： | 2,000 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 340kHz |
| 电源电压： | 8 V ~ 42 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： | -40°C ~ 85°C |
| 封装/外壳： | 12-TFSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
LV5747NTT
Recommended Operating Range at Ta = 25 ° C
Parameter
Supply voltage range
Error amplifier input voltage
Symbol
VIN
VFB
Conditions
Ratings
8.0 to 42
0 to 1.6
Unit
V
V
Electrical Characteristics at Ta = 25 ° C, VIN = 24V
Parameter
Symbol
Conditions
min
Ratings
typ
max
Unit
Reference voltage block
Internal reference voltage
5V power supply
Vref
VDD
Including offset of E/A
IOUT = 0 to 5mA
0.698
4.7
0.708
5.2
0.718
5.7
V
V
Triangular waveform oscillator block
Oscillation frequency
Frequency variation
Oscillation frequency fold back
FOSC
FOSC DV
VOSC FB
VIN = 8 to 42V
FB voltage detection after SS ends
260
300
1
0.5
340
kHz
%
V
detection voltage
Oscillation frequency after fold back
FOSC FB
VFB = 0V
25
45
60
kHz
ON/OFF circuit block
IC start-up EN voltage
IC off EN voltage
VEN on
VEN off
VIN = 8 to 42V
1.1
3.4
1.3
4.3
V
V
Soft start circuit block
Soft start source current
Soft start sink current
Soft start end voltage
ISS SC
ISS SK
VSS END
EN > 4.3V
EN < 1V, VDD = 5V
4
0.9
5
2
1.1
6
1.3
μ A
mA
V
UVLO circuit block
UVLO lock release voltage
UVLO hysteresis
VUVLO
VUVLO H
7.0
7.4
0.6
7.8
V
V
Error amplifier
Input bias current
IEA IN
100
nA
Error amplifier gain
GEA
1000
1400
1800
μ A/V
Common mode input range
Sink output current
Source output current
VEA R
IEA OSK
IEA OSC
VIN = 8 to 42V
FB = 1.0V
FB = 0V
0.0
-100
100
1.6
V
μ A
μ A
Current detection amplifier gain
over current limiter circuit block
GISNS
1.3
Reference current
Over current detection comparator
ILIM
VLIM OFS
-10%
-5
20
+10%
+5
μ A
mV
offset voltage
Over current detection comparator
VIN-0.45
VIN
V
common mode input range
PWM comparator
Input threshold voltage
Vt max
Vt0
Duty cycle = DMAX, SW = VIN
Duty cycle = 0%, SW = VIN
1.0
0.4
1.1
0.5
1.2
0.6
V
V
Maximum ON duty
DMAX
92
%
Output block
Output stage ON resistance
RONH
5
Ω
(the upper side)
Output stage ON resistance
RONL
5
Ω
(the under side)
Output stage ON current
IONH
240
mA
(the upper side)
Output stage ON current
IONL
240
mA
(the under side)
The whole device
Standby current
Mean consumption current
ICCS
ICCA
EN < 1V
EN > 4.3V
3.3
60
μ A
mA
No.A1759-2/5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV5747QA | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
| LV5747QA-NH | 制造商:ON Semiconductor 功能描述:DC-DC CONVERTER (BUCK) - Tape and Reel |
| LV5747TT | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
| LV5749NV | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
| LV5749NV-MPB-E | 制造商:ON Semiconductor 功能描述:42V PWM BUCK CONTROLLER - Ammo Pack |
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