ELM600LA Datasheet, PDF (5/10 Pages) ELM Technology Corporation – ELM600LA 800mA 1.4MHz high efficiency synchronous PWM step down DC/DC converter

ELM600LA 800mA 1.4MHz
high efficiency synchronous PWM step down DC/DC converter
Vout=1.8V
Vin=3.6V, Typical values are at Top=25°C, unless otherwise noted.
Parameter
Symbol
Test condition
Min. Typ. Max. Unit
Supply voltage
Vin
2.5
6.0 V
Feedback current
Ifb
-30.0
30.0 nA
Regulated feedback voltage
Vfb -40°C ≤ Top ≤ +85°C
0.582 0.600 0.618 V
Reference voltage line regulation ∆Vfb/∆Vin Vin=2.5V to 6V
0.04 0.40 %/V
Output voltage line regulation ∆Vout/∆Vin Vin=2.5V to 6V
0.04 0.40 %/V
Output voltage load regulation Vlr
0.5
%
Output range (Fixed voltage)
Vout Vin=2.5V to 6V
1.764 1.800 1.836 V
Shutdown current
Is Ven=0V, Vin=6V
0.01 1.00 µA
Quiescent current
Iq Ven=Vin,Vfb=0.65V, No switching
200
µA
SW leakage current
Ileak
Ven=0V, Vfb=0.65V
Vsw=0V or 6V
-1
1 µA
PMOSFET on resistance
RdsonP Isw=100mA
0.35
Ω
NMOSFET on resistance
RdsonN Isw=-100mA
0.24
Ω
PMOSFET current limit
IPcl
Duty cycle=100%
Current pulse width<1ms
0.8 1.1 1.5 A
Oscillator frequency
Fosc
1.12 1.40 1.68 MHz
Thermal shutdown threshold
Tsd
145
°C
EN high level input voltage
Venh -40°C ≤ Top ≤ +85°C
1.1
V
EN low level input voltage
Venl -40°C ≤ Top ≤ +85°C
0.3 V
EN input current
Ien Ven=0V to Vin
-1
1 µA
■Marking
TSOT-25
abcde
a to e : Assembly lot No.
A to Z (I, O, X excepted) and 0 to 9
10 - 5
Rev.1.1