MIC2164 MICREL [Micrel Semiconductor], MIC2164 Datasheet - Page 4

• Manufacturer Part Number: MIC2164
• Description: Constant Frequency, Synchronous Buck Controllers Featuring Adaptive On-Time Control
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
Note:
8. Measured in test mode.
9. Measured at DH. The maximum duty cycle is limited by the fixed mandatory off time Toff of typical 363ns.
Parameter
Oscillator
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
FET Drives
DH, DL Output Low Voltage
DH, DL Output High Voltage
DH On-Resistance, High State
DH On-Resistance, Low State
DL On-Resistance, High State
DL On-Resistance, Low State
LX Leakage Current
HSD Leakage Current
Thermal Protection
Over-temperature Shutdown
Over-temperature Shutdown
Hysteresis
Shutdown Control
En Logic Level Low
En Logic Level High
En Pull-up Current
September 2009
(8)
(9)
Condition
MIC2164
MIC2164-2
MIC2164-3
MIC2164
MIC2164-2
MIC2164-3
Measured at DH
I
I
V
V
3V < V
3V < V
SINK
SOURCE
LX
LX
= 28V, V
= 28V, V
= 10mA
IN
IN
= 10mA
<5.5V
<5.5V
IN
IN
= 5.5V,V
= 5.5V,V
BST
BST
= 33.5V
= 33.5V
4
V
V
BST
0.225
IN
0.45
0.75
Min
0.4
-0.1V
or
-0.1V
Typ
155
0.3
0.6
2.1
1.8
1.8
1.2
0.8
0.9
87
74
66
10
50
1
0
M9999-090409-B
0.375
Max
0.75
1.25
MIC2164/-2/-3
0.1
3.3
3.3
3.3
2.3
1.2
50
20
Units
MHz
MHz
MHz
µA
µA
µA
°C
°C
%
%
%
%
Ω
Ω
Ω
Ω
V
V
V
V