PAM2312 Datasheet, PDF (4/14 Pages) Power Analog Micoelectronics – 1A Step-Down DC-DC Converter

PAM2312
1A Step-Down DC-DC Converter
Electrical Characteristic
T_A =25°C , V_IN =3.6V, V_O =1.8V, C_IN =10µF, C_O =10µF, L=4.7µH, unless otherwise noted.
PAR AM ETER
SYMB OL
Test Conditions
Input Voltage Range
Regulated Feedback Voltage
Reference Voltage Line Regulation
Regulated Output Voltage Accuary
Peak Inductor Current
Output Voltage Line Regulation
Output Voltage Load Regulation
Quiescent Current
Shutdown Current
Oscillator Frequency
Drain-Source On-State Res istance
VIN
V_FB
ΔV_FB
VO
IP K
LNR
LDR
I_Q
I_{S D}
fOS C
RDS (O N)
IO = 100mA
VIN= 3V,VFB = 0.5V or
VO=90%
V_IN = 2.5V to 5V, I_O=10mA
IO=1mA to 800mA
No load
V_EN = 0V
VO = 100%
VFB = 0V or VO = 0V
P MOSFET
IDS=100mA
N MOSFET
SW Leakage Current
ILSW
High Effic iency
η
EN Threshold High
EN Threshold Low
EN Leakage Current
Over Temperature Protection
V_EH
VE L
IE N
OTP
OTP Hysteresis
OTH
MIN TYP
2.5
0.588 0.6
0.3
-3
1.5
0.2
0.5
40
1.2 1.5
500
0.3
0.35
±0.01
96
1.5
±0.01
150
30
MAX
5.5
0.612
+3
0.5
1.5
70
1
1.8
0.45
0.5
1
0.3
UNITS
V
V
%/V
%
A
%/V
%
µA
µA
MHz
k Hz
Ω
Ω
µA
%
V
V
µA
°C
°C
Power Analog Microelectronics, Inc
www.poweranalog.com
4
05/2010 Rev1.0