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LP6498 数据表(PDF) 5 Page - Lowpower Semiconductor inc

部件名 LP6498
功能描述  600KHz 36V/1.2A Synchronous Step-down Converter
PDF  9 Pages
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制造商  POWER [Lowpower Semiconductor inc]
网页  http://www.lowpowersemi.com
标志 POWER - Lowpower Semiconductor inc

LP6498 数据表(HTML) 5 Page - Lowpower Semiconductor inc

  LP6498 Datasheet HTML 1Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 2Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 3Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 4Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 5Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 6Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 7Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 8Page - Lowpower Semiconductor inc LP6498 Datasheet HTML 9Page - Lowpower Semiconductor inc  
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LP6498-00
Mar.-2018
Email: marketing@lowpowersemi.com
www.lowpowersemi.com
Page 5 of 9
Preliminary Datasheet
LP6498
Electrical Characteristics
VIN=12V, VEN=5V, TA=25℃, unless otherwise noted
Symbol
Parameter
Condition
Min
Typ
Max
Units
VIN
Input Voltage
LP6498SOF
8
30
V
LP6498B6F
4.5
30
V
VOUT
Output Voltage Range
LP6498SOF
5.1
V
VFB
Feedback Threshold Voltage Accuracy
LP6498B6F
0.6
V
IQ
Quiescent Current
Iload=0mA
8
mA
VUVLO
VIN Under Voltage Lockout Threshold
VIN Rising
7.2
V
VUVLO-HYS
UVLO Hysteresis
1
V
ILIM
P-Channel Current Limit
TJ=25℃
2.4
A
TJ=150℃
1.6
RDS(ON)_H
High-Side Switch On Resistance
300
mΩ
RDS(ON)_L
Low-Side Switch On Resistance
160
mΩ
VRV
RV Voltage
2
V
THICCUP
Hiccup Time
6
mS
TSS
Soft-start Time
0.8
mS
fOSC
Oscillator Frequency
600
KHz
tSD
Over-Temperature Shutdown Threshold
150
℃
THYS
Over-Temperature Shutdown Hysteresis
20
℃



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