MIC26950 MICREL, MIC26950 Datasheet - Page 4

• Manufacturer Part Number: MIC26950
• Description: 12A Hyper Speed Control Synchronous DC-DC Buck Regulator
• Manufacturer: MICREL

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Micrel, Inc.
Absolute Maximum Ratings
PV
V
V
V
V
V
V
V
PGND to SGND ........................................... −0.3V to +0.3V
Junction Temperature .............................................. +150°C
Storage Temperature (T
Lead Temperature (soldering, 10sec)........................ 260°C
Electrical Characteristics
PV
Notes:
1.
2.
3.
4.
5.
Parameter
Power Supply Input
Input Voltage Range (V
V
Operating Bias Voltage (V
Undervoltage Lockout Trip Level
UVLO Hysteresis
Quiescent Supply Current
Shutdown Supply Current
Reference
Feedback Reference Voltage
Load Regulation
Line Regulation
FB Bias Current
Enable Control
EN Logic Level High
EN Logic Level Low
EN Bias Current
September 2010
IN
DD
SW
BST
BST
EN
FB
DD
IN
IN
to PGND ....................................................−0.3V to PV
, V
to PGND....................................... −0.3V to (V
to PGND ...................................... −0.3V to (V
Exceeding the absolute maximum rating may damage the device.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.
The device is not guaranteed to function outside operating range.
PD
Specification for packaged product only.
to PGND ................................................... −0.3V to +6V
= V
to V
to PGND .................................................. −0.3V to 34V
to PGND................................................ −0.3V to +28V
Bias Voltage
(MAX)
CS
IN
SW
to PGND .............................. −0.3V to (PV
= 12V, V
= (T
........................................................ −0.3V to 6V
J(MAX)
DD
– T
= 5V; V
A
)/ θ
IN
, PV
JA
S
DD
, where θ
).........................−65°C to +150°C
)
BST
IN
)
– V
JA
SW
depends upon the printed circuit layout. See “Applications Information.”
(5)
Condition
V
V
V
SW = unconnected, V
0°C ≤T
−40°C ≤T
I
V
V
4.5V < V
4.5V < V
V
= 5V; T
OUT
DD
FB
DD
IN
FB
EN
(1,2)
= (V
= 1.5V
= 0.8V
Rising
= V
= 0V
= 0A to 12A
J
A
BST
OUT
≤ 85°C (±1.0%)
DD
DD
= 25°C, unless noted. Bold values indicate −40°C ≤ T
J
≤ 125°C (±1.5%)
= 5.5V, V
< 5.5V
< 5.5V
+ 3.0V) to 26V
DD
DD
IN
+ 0.3V)
+ 0.3V)
+0.3V)
IN
EN
= 26V
IN
= 0V
4
Operating Ratings
Supply Voltage (PV
Output Voltage Range (V
Bias Voltage (V
Enable Input (V
Junction Temperature (T
Maximum Power Dissipation......................................Note 4
Package Thermal Resistance
5mm x 6mm MLF
DD
EN
) ................................................. 0V to V
)............................................ 4.5V to 5.5V
IN
, V
®
(θ
0.792
0.788
Min.
IN
4.5
4.5
2.4
1.2
JA
J
OUT
(3)
) ........................ −40°C to +125°C
)............................... 4.5V to 26V
) .....................................36°C/W
)........................... 0.8V to 5.5V
J
(4)
≤ +125°C.
Typ.
0.85
0.78
2.7
1.4
0.7
0.8
0.8
0.2
0.1
50
50
5
5
M9999-091710-C
0.808
0.812
Max.
5.5
3.2
0.4
26
3
2
MIC26950
Units
mV
mA
mA
nA
µA
%
%
V
V
V
V
V
V
DD