PAM2305D
1A Step-Down DC-DC Converter
Electrical Characteristic
TA =25°C, VIN =3.6V, VO =1.8V, CIN =10µF, CO =10µF, L=4.7µH, unless otherwise noted.
PARAMETER
Input Voltage Range
SYMBOL
Test Conditions
MIN
2.5
TYP
MAX
5.5
UNITS
V
I N
V
V
Regulated Feedback Voltage
VFB
ΔVFB
VO
0.588
0.6
0.3
0.612
Reference Voltage Line Regulation
Regulated Output Voltage Accuary
%/V
%
IO = 100mA
-3
+3
V =3V,VFB = 0.5V or
IN
Peak Inductor Current
IPK
1.5
A
VO=90%
Output Voltage Line Regulation
Output Voltage LoadRegulation
Quiescent Current
LNR
LDR
IQ
V = 2.5V to 5V, IO=10mA
0.2
1.5
0.5
%/V
%
IN
IO=1mA to 1A
No load
40
70
1
µA
µA
MHz
kHz
Ω
Shutdown Current
ISD
VEN = 0V
0.1
VO = 100%
1.2
1.5
1.5
1.8
Oscillator Frequency
fOSC
VFB = 0V or VO = 0V
500
0.3
P MOSFET
IDS=100mA
0.45
0.5
1
Drain-Source On-StateResistance
RDS(O N)
N MOSFET
0.35
±0.01
Ω
SW Leakage Current
EN Threshold High
EN Threshold Low
ILSW
VEH
µA
V
VEL
0.3
V
EN Leakage Current
Over Temperature Protection
OTP Hysteresis
IEN
±0.01
150
30
µA
°C
°C
OTP
OTH
Power Analog Microelectronics, Inc
www.poweranalog.com
02/2012 Rev1.1
4