MIC2176-1 MICREL [Micrel Semiconductor], MIC2176-1 Datasheet - Page 4

• Manufacturer Part Number: MIC2176-1
• Description: Wide Input Voltage, Synchronous Buck Controllers Featuring Adaptive On-Time Control
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Absolute Maximum Ratings
V
V
V
V
V
V
V
PGND to GND .............................................. −0.3V to +0.3V
Junction Temperature .............................................. +150°C
Storage Temperature (T
Lead Temperature (soldering, 10sec)........................ 260°C
Electrical Characteristics
V
Parameter
Power Supply Input
HSD Voltage Range (V
V
Operating Bias Voltage (V
Undervoltage Lockout Trip Level
UVLO Hysteresis
Quiescent Supply Current
Shutdown Supply Current
Reference
Feedback Reference Voltage
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
Minimum On-Time
November 2010
IN
HSD
DD
SW
BST
BST
EN
FB
DD
= V
to PGND....................................... −0.3V to (V
to PGND ...................................... −0.3V to (V
to PGND ................................................... −0.3V to +6V
to PGND......................................−0.3V to (V
to V
to PGND .................................................. −0.3V to 82V
to PGND................................................ −0.3V to +76V
Bias Voltage
HSD
SW
= 48V, V
........................................................ −0.3V to 6V
DD
= 5V; V
(6)
(7)
HSD
S
DD
)
).........................−65°C to +150°C
(5)
)
BST
– V
SW
(4)
= 5V; T
Condition
V
V
SW = unconnected, V
0°C ≤ T
-40°C ≤ T
V
4.5V < V
4.5V < V
V
MIC2176-1
MIC2176-2
MIC2176-3
MIC2176-1, V
MIC2176-2, V
MIC2176-3, V
V
DD
FB
FB
EN
FB
(1, 2)
= 1.5V
= 0.8V
> 0.8V
Rising
= 0V
A
J
DD
DD
= 25°C, unless noted. Bold values indicate −40°C ≤ T
≤ 85°C (±1.0%)
J
≤ 125°C (±1.5%)
< 5.5V
< 5.5V
FB
FB
FB
HSD
DD
DD
= 0V, HSD=4V, V
= 0V, HSD=4V, V
= 0V, HSD=4V, V
+ 0.3V)
+ 0.3V)
+0.3V)
EN
= 0V
4
Operating Ratings
Supply Voltage (V
Bias Voltage (V
Enable Input (V
Junction Temperature (T
Junction Thermal Resistance
Continuous Power Dissipation
(derate 5.6mW/°C above 70°C)
ESD (Human Body Mode) .......................................... 1.5kV
O
O
O
MSOP (θ
(T
= 3.3V
= 3.3V
= 3.3V
A
= 70°C) ........................................................421mW
JA
) ..................................................130.5°C/W
DD
EN
) ................................................. 0V to V
)............................................ 4.5V to 5.5V
HSD
) ....................................... 4.5V to 75V
0.792
0.788
Min.
150
225
4.5
4.5
3.2
1.2
J
75
(3)
) ........................ −40°C to +125°C
J
≤ +125°C.
Typ.
3.85
0.85
0.78
370
100
200
300
360
1.4
0.7
0.8
0.8
50
96
93
89
60
5
5
0
M9999-111710-A
0.808
0.812
Max.
4.45
500
100
125
250
375
5.5
0.4
75
3
2
MIC2176
Units
kHz
mV
mA
mA
µA
nA
ns
ns
%
%
V
V
V
V
V
V
DD