en5310 Enpirion, en5310 Datasheet - Page 4

• Manufacturer Part Number: en5310
• Description: 1a Voltage Mode Synchronous Buck Pwm Dc-dc Converter With Integrated Inductor
• Manufacturer: Enpirion

Rev 1.01 – November 2006
Electrical Characteristics
NOTE: V
T
Operating Input
Voltage
Quiescent Supply
Current
No-Load Operating
Current
Switching
Frequency
Thermal Overload
Trip Point
V
Range
Accuracy
Line Regulation
Load Regulation
Temperature
Regulation
Transient Response
Peak Deviation
Output Voltage Ripple
Peak-to-peak
Maximum Continuous Output Current
Output Current
Enable Operation
Disable Threshold
Enable Threshold
Power OK Operation
POK low voltage
Max POK Voltage
NOTES:
A
OUT
PARAMETER
= 25°C.
3. Maximum output current may need to be de-rated, based on operating condition, to meet T
IN
=3.3V and over operating temperature range unless otherwise noted. Typical values are at
(I
SYMBOL
OUT
V
V
V
DISABLE
F
V
V
V
V
V
ENABLE
OUT-PP
I
V
V
V
V
V
I
OUT
T
I
OSC
OUT
OUT
OUT
POK
POK
NL
Q
= 0% to 100% or 100% to 0% of Rated Load)
IN
OUT
OUT
OUT
OUT
J
No switching, AVIN = 3.3V,
PVIN = 3.3V, ENABLE=0V
Includes PWM, gate drive and
inductor ripple current.
Using external voltage divider
Over line, load and temperature
V
I
T
T
V
V
C
ceramic capacitors
Max voltage to ensure the converter
is disabled
Min voltage to ensure the converter
is enabled
I
Supply voltage applied to POK
LOAD
POK
A
A
IN
IN
IN
OUT
= 0 to 70ºC
= -40 to 85ºC
= 2.5 to 5.0 volts
= 5V, 1.2V < V
= 5.0V, V
= 1mA
= 0 to 1A
= 20uF, 2 x 10µF X5R or X7R
TEST CONDITIONS
(Note 3)
OUT
= 1.2V, I
OUT
4
< 3.3V
OUT
= 1A,
2.375
MIN
0.9
1.8
+ 0.65
+0.25
-0.45
-0.55
TYP
160
15
35
12
5
3
3
2
J
requirements.
www.enpirion.com
MAX
1000
5.5
2.0
0.8
0.4
5.5
5
UNITS
MHz
mA
mA
mV
mV
mV
mA
°C
%
%
%
%
V
V
V
V
V
V