en5312q Enpirion, en5312q Datasheet - Page 4

• Manufacturer Part Number: en5312q
• Description: 1a Synchronous Buck Regulator With Integrated Inductor
• Manufacturer: Enpirion

March 2007
Absolute Maximum Ratings
CAUTION: Absolute Maximum ratings are stress ratings only. Functional operation beyond
recommended operating conditions is not implied. Stress beyond absolute maximum ratings may
cause permanent damage to the device. Exposure to absolute maximum rated conditions for
extended periods may affect device reliability.
Recommended Operating Conditions
Thermal Characteristics
Electrical Characteristics
NOTE: T
NOTE: V
©Enpirion 2007 all rights reserved, E&OE
Operating Input Voltage
Under Voltage Lockout
UVLO Hysteresis
Output Voltage with VID
Preset Codes.
NOTE: VS Pins must not be
left floating
Feedback Pin Voltage
Thermal Resistance: Junction to Ambient (0 LFM)
Thermal Resistance: Junction to Case (0 LFM)
Thermal Shutdown
Thermal Shutdown Hysteresis
Input Voltage Range
Output Voltage Range
Output Current
Operating Ambient Temperature
Operating Junction Temperature
Input Supply Voltage
Voltages on: ENABLE, V
Voltage on: V
Storage Temperature Range
Reflow Temp, 10 Sec, MSL3 JEDEC J-STD-020A
ESD Rating (based on Human Body Model)
PARAMETER
IN
A
= 25°C unless otherwise noted. Typical values are at VIN = 3.6V, C
must be greater than V
FB
PARAMETER
PARAMETER
SENSE
PARAMETER
SYMBOL
V
, V
OUT
V
V
V
UVLO
OUT
FB
IN
S0
+ 0.6V.
-V
S2
VIN going low to high
2.4V ≤ V
2.4V ≤ V
VS2 VS1 VS0 VOUT(V)
0
0
0
0
1
1
1
TEST CONDITIONS
0
0
1
1
0
0
1
IN
IN
≤ 5.5V, I
≤ 5.5V, I
0
1
0
1
0
1
0
4
3.3
2.5
1.8
1.5
1.25
1.2
0.8
LOAD
LOAD
SYMBOL
= 100mA
= 100mA
SYMBOL
T
V
STG
V
IN
I
V
OUT
T
T
OUT
IN
A
J
IN
SYMBOL
= 4.7µF, C
T
MIN
θ
θ
-0.3
-0.3
-0.3
0.591
-65
J-TP
MIN
-2.0
-2.0
-2.0
-2.0
-2.0
-2.0
-2.0
JC
JA
2.4
MIN
2.4
0.6
-40
-40
0
OUT
0.145
0.603
=10uF.
TYP
V
2.2
MAX
IN
2000
150
V
260
7.0
2.7
MAX
www.enpirion.com
1000
+125
TYP
+150
+ 0.3
IN
+85
5.5
65
15
15
-0.6
0.615
MAX
+2.0
+2.0
+2.0
+2.0
+2.0
+2.0
+2.0
5.5
2.3
UNITS
UNITS
EN5312QI
UNITS
mA
°C/W
°C/W
°C
°C
°C
°C
V
V
V
V
V
V
°C
°C
UNITS
%
V
V
V
V