PAM2301 Datasheet, PDF (4/13 Pages) Power Analog Micoelectronics – 800mA Step-Down DC-DC Converters

PAM2301
800mA Step-Down DC-DC Converters
Electrical Characteristic
T_A=25 ^OC, V_IN=3.6V, V_O=1.8V, C = _IN 10μF, C_O=10μF,L=4.7μH, unless otherwise noted.
PARAMETER
SYMBOL
Test Conditions
MIN TYP MAX
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 Resistance
V_IN
V_FB
ΔV_FB
V_O
I_PK
LNR
LDR
I_Q
I_SD
f_OSC
R_DS(ON)
I_O = 100mA
V_IN=3V,V_FB = 0.5V or
V_O=90%
V_IN = 2.5V to 5V, I_O=10mA
I_O=1mA to 800mA
No load
V_EN = 0V
V_O = 100%
V_FB = 0V or V_O = 0V
P MOSFET
I_DS =100mA
N MOSFET
2.5
0.588
-3
1.2
0.6
0.3
1.2
0.2
0.5
40
0.1
1.5
500
0.3
0.35
5.5
0.612
+3
0.5
1.5
70
1
1.8
0.45
0.5
SW Leakage Current
I_LSW
High Efficiency
η
±0.01 1
96
EN Threshold High
EN Threshold Low
EN Leakage Current
Over Temperature Protection
V_{E H}
V_EL
I_EN
OTP
1.5
0.3
±0.01
150
OTP Hysteresis
OTH
30
UNITS
V
V
%/V
%
A
%/V
%
μA
μA
MHz
kHz
Ω
Ω
μA
%
V
V
μA
°C
°C
Power Analog Microelectronics,Inc
www.poweranalog.com
4
09/2008 Rev 1.3