MIC23150 Micrel Semiconductor, MIC23150 Datasheet - Page 3

• Manufacturer Part Number: MIC23150
• Description: 4MHz PWM 2A Buck Regulator
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Sense (V
Output Switch Voltage (V
Enable Input Voltage (V
Storage Temperature Range .. ……………-65°C to +150°C
ESD Rating
Electrical Characteristics
T
Bold values indicate –40°C ≤ T
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.
4. Specification for packaged product only.
Micrel Inc.
Parameter
Supply Voltage Range
Under-Voltage Lockout Threshold
Under-Voltage Lockout Hysteresis
Quiescent Current
Shutdown Current
Output Voltage Accuracy
Current Limit
Output Voltage Line Regulation
Output Voltage Load Regulation
PWM Switch ON-Resistance
Switching Frequency
SoftStart Time
Enable Threshold
Enable Input Current
Over-temperature Shutdown
Over-temperature Shutdown
Hysteresis
February 2009
A
= 25°C; V
SNS
(3)
).. ..................................................................6V
IN
..................................................................2kV
= V
IN
EN
) . ……………………………………….6V
= 3.6V; L = 1.0µH; C
EN
SW
).. ..............................-0.3V to V
) ............................................6V
J
≤ +125°C, unless noted.
Condition
(turn-on)
I
V
V
V
SNS = 0.9*V
V
V
20mA < I
20mA < I
I
I
I
V
Turn-On
(4)
OUT
SW
SW
OUT
EN
IN
IN
IN
IN
OUT
= 3.6V if V
= 4.5V if V
= 3.6V to 5.5V if V
= 4.5V to 5.5V if V
= 100mA PMOS
= -100mA NMOS
(1)
= 0V; V
= 0mA , SNS > 1.2 * V
= 120mA
= 90%
OUT
LOAD
LOAD
= 4.7µF unless otherwise specified.
IN
OUTNOM
= 5.5V
< 500mA, V
< 500mA, V
OUTNOM
OUTNOM
< 2.5V, I
≥ 2.5V, I
OUTNOM
OUTNOM
IN
IN
IN
OUT
= 3.6V if V
= 5.0V if V
3
< 2.5V, I
≥ 2.5V, I
LOAD
LOAD
Nominal
Operating Ratings
Supply Voltage (V
Enable Input Voltage (V
Junction Temperature Range (T
Thermal Resistance
= 20mA
= 20mA
2mm x 2mm Thin MLF-8 (θ
LOAD
LOAD
OUTNOM
OUTNOM
= 20mA
= 20mA
< 2.5V
≥ 2.5V
IN
)... …………………………..2.7V to 5.5V
2.45
Min
-2.5
EN
2.7
2.2
0.5
(2)
) .. ……………………….0V to V
JA
J
)... ….-40°C ≤ T
) ...........................90°C/W
0.150
0.110
www.DataSheet4U.com
2.55
0.01
0.75
Typ
115
160
3.4
0.3
0.8
0.1
75
23
20
4
M9999-082908-A
Max
2.65
+2.5
5.5
1.2
40
5
2
MIC23150
J
≤ +125°C
Units
MHz
%/V
%/A
mV
µA
µA
µA
µs
°C
°C
%
Ω
V
V
A
V
IN