PAM2304
3MHz, 1A Step-Down DC-DC Converter
Electrical Characteristic
TA =25°C, VIN =3.6V, VO =1.8V, CIN =10µF, CO =10µF, L=1µH, unless otherwise noted.
PARAMETER
Input Voltage Range
SYMBOL
Test Conditions
MIN
2.5
TYP
MAX
5.5
UNITS
V
V
IN
Regulated Feedback Voltage
VFB
ΔVFB
VO
0.588
0.6
0.3
0.612
V
Reference Voltage Line Regulation
Regulated Output Voltage Accuary
%/V
%
IO = 100mA
-3
+3
VIN=3V,VFB = 0.5V or
VO=90%
Peak Inductor Current
IPK
1.5
A
Output Voltage Line Regulation
Output Voltage Load Regulation
Quiescent Current
LNR
LDR
IQ
VIN = 2.5V to 5V, IO=10mA
IO=1mA to 800mA
No load
0.2
0.5
40
0.5
1.5
70
1
%/V
%
µA
µA
MHz
MHz
Ω
Shutdown Current
ISD
VEN = 0V
VO = 100%
3
1
Oscillator Frequency
fOSC
VFB = 0V or VO = 0V
P MOSFET
IDS=100mA
0.3
0.45
0.5
1
Drain-Source On-State Resistance
RDS(O N)
N MOSFET
0.35
±0.01
95
Ω
SW Leakage Current
High Efficiency
ILSW
η
µA
%
EN Threshold High
EN Threshold Low
EN Leakage Current
Over Temperature Protection
OTP Hysteresis
VEH
VEL
IEN
1.5
V
0.3
V
±0.01
150
30
µA
°C
OTP
OTH
°C
Power Analog Microelectronics, Inc
www.poweranalog.com
11/2011 Rev1.1
4