mic33050 Micrel Semiconductor, mic33050 Datasheet - Page 3

• Manufacturer Part Number: mic33050
• Description: Mic33050 4mhz Internal Inductor Pwm Buck Regulator With Hyper Light Load?
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Output Switch Voltage (V
Output Switch Current (I
Logic Input Voltage (V
Storage Temperature Range (T
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
UVLO Hysteresis
Quiescent Current,
Hyper LL mode
Shutdown Current
Output Voltage Accuracy
Current Limit in PWM Mode
Output Voltage Line Regulation
Output Voltage Load Regulation
Maximum Duty Cycle
PWM Switch ON-Resistance
Frequency
Soft Start Time
Enable Threshold
Enable Hysteresis
Enable Input Current
Over-temperature Shutdown
Over-temperature Shutdown
Hysteresis
October 2007
A
= 25°C with V
(3)
..................................................................3kV
IN
IN
= V
) ........................................................ 6V
EN
EN
SW
)...................................–0.3V to V
= 3.6V; C
SW
) ............................................. 2A
) ........................................... 6V
J
s
< +125°C.
) ............. –65°C to +150°C
FF
Condition
(turn-on)
I
V
V
SNS = 0.9*V
V
20mA < I
SNS ≤ V
I
I
I
V
(turn-on)
(4)
OUT
SW
SW
LOAD
IN
IN
IN
OUT
= 560pF; C
= 5.5V; V
= 3.0V, I
= 3.0V to 5.5V, I
= 100mA PMOS
= -100mA NMOS
(1)
= 0mA , V
= 90%
= 120mA
NOM
LOAD
LOAD
NOM
EN
< 500mA,
SNS
OUT
= 0V;
= 20mA
> 1.2*V
= 4.7µF; I
LOAD
= 20mA
IN
OUT
3
nominal
OUT
Operating Ratings
Supply Voltage (V
Logic Input Voltage (V
Junction Temperature (T
Thermal Resistance
= 20mA unless otherwise specified.
3mm x 3mm MLF
IN
) ......................................... 2.7V to 5.5V
®
EN
-12 (θ
)…………………………-0.3V to V
J
(2)
).................. –40°C ≤ T
2.45
–2.5
0.65
Min
2.7
3.4
0.5
80
JA
) ............................... 60°C/W
2.55
0.01
0.45
Typ
100
650
165
0.5
0.3
0.5
0.8
0.1
20
89
35
20
1
4
M9999-100407-A
Max
2.65
+2.5
5.5
1.7
4.6
1.2
32
4
2
MIC33050
J
≤ +125°C
Units
MHz
%/V
mV
mV
µA
µA
µA
°C
°C
µs
%
%
%
Ω
Ω
V
V
A
V
IN