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PAM2421 数据表(PDF) 4 Page - Power Analog Micoelectronics

部件名 PAM2421
功能描述  3A,4.5A,5.5A PWM Step-Up DC/DC Converter
PDF  9 Pages
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制造商  PAM [Power Analog Micoelectronics]
网页  http://www.poweranalog.com
标志 PAM - Power Analog Micoelectronics

PAM2421 数据表(HTML) 4 Page - Power Analog Micoelectronics

  PAM2421 Datasheet HTML 1Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 2Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 3Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 4Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 5Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 6Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 7Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 8Page - Power Analog Micoelectronics PAM2421 Datasheet HTML 9Page - Power Analog Micoelectronics  
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PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage
2.7
5.5
V
Under Voltage Lockout
Thres hold
VIN Rising
2.5
V
Under Voltage Lockout
Hysteresis
200
mV
VFB = 1.4V, Not Switching
0.25
0.35
Quiescent Supply Current
VFB = 1.0V, Switc hing
3
5
mA
Supply Current in S hutdown
EN = Ground
0.1
1
uA
Switching Frequency
520
kHz
Maximum Dut y Cyc le
85
%
FB Feedback Voltage
1.237
1.262
1.287
V
FB Input Current
0
80
nA
FB Volt age Line Regulation
VFB from 2.7V to 5.5V
0.05
0.15
%/V
PAM2421
3
PAM2422
4.5
Switch Current Limit
PAM2423
VIN=3.2V
Duty Cycle = 70%
5.5
A
PAM2421
130
PAM2422
100
Switch On Res istance
PAM2423
70
m
Ω
Switch Leak age Current
VSW = 10V, EN = Ground
15
uA
Soft Start Pin Bias Current
VSS = 1.2V
2
4.5
7
uA
Logic High Threshold
EN Pin
1.4
V
Logic Low Threshold
EN Pin
0.4
V
EN Pull Down Resistor
1
M
Ω
Thermal Shutdown
Temperature
160
℃
Thermal Shutdown
Hysteresis
40
℃
Electrical Characteristic
At T =25
A
C ,V =V =5V,,unless otherwise specified.
IN
EN
4
,
Power Analog Microelectronics Inc
www.poweranalog.com
02/2012 Rev1.1
PAM2421,PAM2422,PAM2423
3A,4.5A,5.5A PWM Step-Up DC/DC Converter



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