MIC26603 MICREL [Micrel Semiconductor], MIC26603 Datasheet - Page 4

• Manufacturer Part Number: MIC26603
• Description: 28V, 6A Hyper Light Load Synchronous DC/DC Buck Regulator
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Absolute Maximum Ratings
PV
V
PV
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
Parameter
Power Supply Input
Input Voltage Range (V
Quiescent Supply Current
Shutdown Supply Current
V
V
V
V
Dropout Voltage (V
DC/DC Controller
Output-Voltage Adjust Range
(V
Reference
Load Regulation
Line Regulation
FB Bias Current
Enable Control
EN Logic Level High
EN Logic Level Low
EN Bias Current
Oscillator
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Minimum Off-Time
July 2011
IN
SW
BST
BST
FB
EN
DD
DD
DD
DD
IN
IN
DD
OUT
, V
to PGND ....................................................−0.3V to PV
, V
to PGND ........................................ −0.3V to (V
= V
to V
to PGND .................................................. −0.3V to 35V
to PGND................................................ −0.3V to +29V
, V
Supply Voltage
Output Voltage
UVLO Threshold
UVLO Hysteresis
PG
)
CS
IN
DD
to PGND............................... −0.3V to (V
SW
to PGND .............................. −0.3V to (PV
= V
to PGND ......................................... −0.3V to +6V
........................................................ −0.3V to 6V
EN
= 12V, V
IN
– V
(6)
(7)
IN
BST
DD
, PV
S
).........................−65°C to +150°C
)
– V
IN
)
SW
= 5V; T
(5)
Condition
V
V
V
V
I
0°C ≤ T
−40°C ≤ T
I
V
V
V
V
V
DD
OUT
FB
EN
IN
DD
IN
FB
EN
FB
FB
(1,2)
A
= 25mA
= 7V to 28V, I
= 4.5V to 28V
= 1.5V (non-switching)
= 0.8V
= 0V
= 1.0V
= 0V
Rising
= 12V
= 1A to 6A (Continuous Mode)
= 25°C, unless noted. Bold values indicate -40°C ≤ T
J
≤ 85°C (±1.0%)
J
≤ 125°C (±1.5%)
DD
IN
IN
DD
+ 0.3V)
+0.3V)
+0.3V)
= 40mA
IN
4
Operating Ratings
Supply Voltage (PV
PVDD, VDD Supply Voltage (PV
Enable Input (V
Junction Temperature (T
Maximum Power Dissipation......................................Note 4
Package Thermal Resistance
5mm x 6mm MLF
EN
) .................................................. 0V to V
IN
, V
®
-24L (θ
0.792
0.788
IN
Min.
450
4.5
4.8
3.7
0.8
1.8
J
J
)................................. 4.5V to 28V
(3)
) ........................ −40°C to +125°C
≤ +125°C.
(4)
JA
) .............................28°C/W
DD
Typ.
, V
0.25
0.25
450
400
380
600
300
4.2
0.8
0.8
50
82
5
5
6
0
DD
)......... 4.5V to 5.5V
M9999-071311-A
0.808
0.812
Max.
750
600
500
750
5.4
4.5
5.5
0.6
28
10
30
MIC26603
Units
kHz
mV
mV
µA
µA
µA
nA
ns
%
%
%
%
V
V
V
V
V
V
V
IN