en5322 Enpirion, en5322 Datasheet - Page 2

• Manufacturer Part Number: en5322
• Description: 2 A Voltage Mode Synchronous Buck Pwm Dc-dc Converter With Integrated Inductor
• Manufacturer: Enpirion

March 2008
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.
Thermal Characteristics
* Based on a 2 oz. copper board and proper thermal design in line with JEDEC EIJ-JESD51 standards
Recommended Operating Conditions
Note: V
Electrical Characteristics
V
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Voltages on: PVIN, AVIN, VOUT
Voltages on: VSENSE, VS0, VS1, VS2, ENABLE, POK
Voltage on: VFB
ESD Rating (Human Body Model)
ESD Rating (Charge Device Model)
Ambient Operating Range
Storage Temperature Range
Reflow Peak Body Temperature MSL3 (10 s)
Thermal Shutdown
Thermal Shutdown Hysteresis
Thermal Resistance: Junction to Case (0 LFM)
Thermal Resistance: Junction to Ambient (0 LFM)*
Input Voltage Range
Output Voltage Range
Output Current
Operating Junction Temperature
Operating Input Voltage
Under Voltage Lockout
UVLO Hysteresis
Output Voltage with VID
Codes (Note 1)
VFB Voltage
IN
= 5 V and T
DROPOUT
PARAMETER
Absolute Maximum Electrical Ratings
Absolute Maximum Thermal Ratings
is defined as (I
A
= 25 °C, unless otherwise noted.
PARAMETER
PARAMETER
LOAD
SYMBOL
V
V
V
V
x Dropout Resistance) including temperature effect.
UVLO
OUT
FB
IN
V
T
I
T
LOAD
VS2 VS1 VS0 VOUT (V)
A
A
IN
0
0
0
0
1
1
1
= 25 °C; V
= 25 °C; V
going low to high
= 100 mA
0
0
1
1
0
0
1
TEST CONDITIONS
0
1
0
1
0
1
0
IN
IN
SYMBOL
= 5V
= 5V
T
T
θ
θ
3.3
2.5
1.8
1.5
1.25
1.2
0.8
2
SDH
SD
JC
JA
SYMBOL
V
I
LOAD
V
T
OUT
IN
-0.3 V
-0.3 V
-0.3 V
2 kV
500 V
-40 °C
-65 °C
J
MIN
MIN
MIN
-45
2.4
0.6
0
TYP
155
0.588
15
36
MIN
-2.0
-2.0
-2.0
-2.0
-2.0
-2.0
-2.0
6
2.4
V
IN
6.5 V
V
2.7 V
+85 °C
+150 °C
+260 °C
0.600
- V
IN
TYP
0.15
MAX
+125
2.2
MAX
5.5
2
DROPOUT
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MAX
0.612
MAX
+2.0
+2.0
+2.0
+2.0
+2.0
+2.0
+2.0
5.5
EN5322QI
UNITS
°C/W
°C/W
UNITS
°C
°C
°C
V
V
A
UNITS
%
V
V
V
V