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PAM2320 Datasheet(PDF) 4 Page - Power Analog Micoelectronics

Part # PAM2320
Description  3A Low Noise Step-Down DC-DC Converter
PDF  11 Pages
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Manufacturer  PAM [Power Analog Micoelectronics]
Direct Link  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2320 Datasheet(HTML) 4 Page - Power Analog Micoelectronics

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Electrical Characteristic
T =25
,
unless otherwise noted.
A
°C Vin=3.6V, Vo=1.8V, Cin=33uF,Co=22uF, L=2.2uH,
4
,
Power Analog Microelectronics Inc
www.poweranalog.com
PARAMETER
SYMBOL
Test Conditions
MIN
TYP
MAX
UNITS
Input Voltage Range
VIN
2.7
5.5
V
Output Voltage Range
VO
0.6
VIN
V
VIN Rising
2.4
2.5
V
Hys teresis
240
mV
UVLO Threshold
VUVLO
VIN Falling
1.8
V
Regulated Output Voltage Accuary
VO
IO = 0 to 3A
-3
+3
%
Regulated Feedback Voltage
VF B
0.591
0.6
0.609
V
FB Leak age Current
IF B
VO=1V
0.2
µA
Output Voltage Line Regulation
LNR
VIN = 2.5V to 5V
0.2
%/V
Output Voltage Load Regulation
LDR
IO=0A to 3A
0.5
%/A
Quiescent Current
IQ
No load
42
90
µA
Shutdown Current
ISD
VEN = 0V
1
µA
Current Limit
ILIM
4
A
Oscillator Frequency
fO SC
1.2
1.5
1.8
MHz
High Side
85
m
Ω
Drain-Source On-State Resistanc e
RDS(ON)
Low Side
60
m
Ω
High Efficiency
η
95
%
Analog Soft Start Time
tS
From enable to output
regulation
0.5
ms
EN Threshold High
VEH
1.5
V
EN Threshold Low
VEL
0.3
V
EN Leakage Current
IEN
VIN=VEN = 0V
-1.0
1.0
µA
Over Temperature Protection
OTP
150
°C
OTP Hysteresis
OTH
30
°C
PAM2320
3A Low Noise Step-Down DC-DC Converter
05/2011 Rev1.0



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