PAM2304 Datasheet, PDF (4/14 Pages) Power Analog Micoelectronics – 3MHz, 1A Step-Down DC-DC Converter

PAM2304
3MHz, 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=1µH, unless otherwise noted.
PAR AM ETER
Input Voltage Range
Regulated Feedback Voltage
Reference Voltage Line Regulation
Regulated Output Voltage Accuary
Peak Induc tor Current
Output V oltage Line Regulation
Output V oltage Load Regulation
Quiescent Current
Shutdown Current
Oscillator Frequency
Drain-Source On-State Res istance
SW Leakage Current
High Effic iency
EN Threshold High
EN Threshold Low
EN Leakage Current
Over Temperature Protection
OTP Hysteresis
SYMB OL
VIN
VFB
ΔV_FB
V_O
I_PK
LNR
LDR
IQ
I_SD
f_{OS C}
RDS(O N)
ILSW
η
V_EH
V_{E L}
IEN
OTP
OTH
Test Conditions
I_O = 100mA
VIN= 3V ,VFB = 0.5V or
V_O=90%
V_IN = 2.5V to 5V, I_O=10mA
IO=1mA to 800mA
No load
V_EN = 0V
V_O = 100%
VFB = 0V or VO = 0V
P MOSFET
ID S=10 0m A
N MOSFET
MIN TYP
2.5
0.588 0.6
0.3
-3
1.5
0.2
0.5
40
3
1
0.3
0.35
±0.01
95
1.5
±0.01
150
30
MAX
5.5
0.612
+3
0.5
1.5
70
1
0.45
0.5
1
0.3
UNITS
V
V
%/V
%
A
%/V
%
µA
µA
MHz
MHz
Ω
Ω
µA
%
V
V
µA
°C
°C
Power Analog Microelectronics, Inc
www.poweranalog.com
4
11/2011 Rev1.1