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PAM2307 Datasheet(PDF) 4 Page - Power Analog Micoelectronics

Part # PAM2307
Description  3A Low Noise Step-Down DC-DC Converter
PDF  13 Pages
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Manufacturer  PAM [Power Analog Micoelectronics]
Direct Link  http://www.poweranalog.com
Logo PAM - Power Analog Micoelectronics

PAM2307 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=22uF,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
2.5
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,VIN=2.5 to 5.5V
-2
+2
%
Regulated Feedback Voltage
VFB
0.588
0.6
0.612
V
FB Leakage Current
IFB
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
3.5
A
Os cillator Frequenc y
fO SC
1.2
1.5
1.8
MHz
High Side
0.140
Ω
Drain-Source On-State Resistance
RDS(ON)
Low Side
0.09
Ω
High Efficiency
η
95
%
Start up Time
tS
From enable to output
regulation
3
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
Ov er Temperature Protection
OTP
150
°C
OTP Hysteresis
OTH
30
°C
PAM2307
3A Low Noise Step-Down DC-DC Converter
03/2011 Rev2.1



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