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PAM2321 Datasheet(PDF) 4 Page - Diodes Incorporated

Part # PAM2321
Description  FAST TRANSIENT 2A STEP-DOWN CONVERTER
PDF  11 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PAM2321 Datasheet(HTML) 4 Page - Diodes Incorporated

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PAM2321
Document number: DSxxxxx Rev. 2 - 1
4 of 11
www.diodes.com
January 2013
© Diodes Incorporated
PAM2321
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@TA = +25°C, VIN = 3.3V, VOUT = 1.2V, CIN = 10µF, CO = 10µF, L = 0.47µH, unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Input Voltage Range
VIN
2.7
3.3
5.5
V
UVLO Threshold
VUVLO
VIN Rising
2.6
2.7
V
Hysteresis
250
mV
VIN Falling
2
V
Output Voltage Range
VOUT
1
1.2
VIN
V
Output Voltage Accuracy
VOUT
IO = 0mA
-3.0
+3.0
%
Regulated Feedback Voltage
VFB
No Load
0.588
0.600
0.612
V
PMOS Current Limit
ILIM
3.0
A
Output Voltage Line Regulation
LNR
VIN = 3.3V to 4V
0.3
%/V
Output Voltage Load Regulation
LDR
IO = 1mA to 2A
1
%/A
Quiescent Current
IQ
No Load
55
90
µA
Shutdown Current
ISD
VEN = 0V
1
µA
Oscillator Frequency
fOSC
3
MHz
Drain-Source On-State Resisitance
RDS(ON)
IDS = 100mA
P MOSFET
130
mΩ
N MOSFET
90
mΩ
SW Leakage Current
ILSW
1
µA
Start-Up Time
tS
VIN = 3.3V, VO = 1.2V
200
µs
PSM Threshold
ITH
200
mA
EN Threshold High
VEH
1.4
V
EN Threshold Low
VEL
0.4
V
EN Leakage Current
IEN
±0.01
µA
Over Temperature Protection
OTP
150
°C
OTP Hysteresis
OTH
30
°C



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