MIC33153-4YHJ TR Micrel Inc, MIC33153-4YHJ TR Datasheet - Page 3

• Manufacturer Part Number: MIC33153-4YHJ TR
• Description: IC BUCK SYNC 1.2V 1.2A 14MLF
• Manufacturer: Micrel Inc
• Series: HyperLight Load™r
• Type: Step-Down (Buck), PFM/PWMr

Specifications of MIC33153-4YHJ TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.2V
• Current - Output: 1.2A
• Frequency - Switching: 4MHz
• Voltage - Input: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-VFDFN Exposed Pad, 14-MLF®
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 576-3903-2

Absolute Maximum Ratings
Supply Voltage (V
Sense Voltage (V
Output Switch Voltage (V
Enable Input Voltage (V
Power Good (PG) Voltage (V
Storage Temperature Range ..……………−65°C to +150°C
Lead Temperature (soldering, 10 sec.)...................... 260°C
ESD Rating
Electrical Characteristics
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.
A
Parameter
Supply Voltage Range
Under-Voltage Lockout Threshold
Under-Voltage Lockout Hysteresis
Quiescent Current
Shutdown Current
Output Voltage Accuracy
Feedback Regulation Voltage
Current Limit
Output Voltage Line Regulation
Output Voltage Load Regulation
PWM Switch ON-Resistance
Maximum Switching Frequency
Soft Start Time
Soft Start Current
PG Threshold (Rising)
PG Threshold Hysteresis
PG Delay Time
Enable Threshold
Enable Input Current
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
September 2010
= 25°C; V
IN
(3)
= V
................................................. ESD Sensitive
EN
SNS
IN
= 3.6V; C
) .......................................... −0.3V to 6V
) ........................................−0.3V to V
EN
SW
)................................−0.3V to V
) .............................−0.3V to V
OUT
PG
= 4.7µF unless otherwise specified. Bold values indicate –40°C ≤ T
) .......................−0.3V to V
(4)
Condition
(Turn-On)
I
V
V
V
I
SNS = 0.9*V
V
V
1mA < I
1mA < I
I
I
I
V
V
Rising
Turn-On
OUT
LOAD
SW
SW
OUT
EN
IN
IN
IN
IN
OUT
SS
(1)
= 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
= 0V; V
= 0V
= 0mA , SNS > 1.2 * V
= 300mA
= 20mA
= 90%, C
LOAD
LOAD
IN
< 1A, V
< 1A, V
OUTNOM
= 5.5V
OUTNOM
OUTNOM
SS
= 470pF
IN
IN
< 2.5V, I
≥ 2.5V, I
OUTNOM
OUTNOM
= 3.6V if V
= 5.0V if V
IN
IN
IN
IN
3
OUT
< 2.5V, I
≥ 2.5V, I
Operating Ratings
Supply Voltage (V
Enable Input Voltage (V
Sense Voltage (V
Junction Temperature Range (T
Thermal Resistance
LOAD
LOAD
Nominal
OUTNOM
OUTNOM
3.0mm x 3.5mm MLF
= 20mA
= 20mA
LOAD
LOAD
< 2.5V
≥ 2.5V
= 20mA
= 20mA
SNS
IN
)... …………………………..2.7V to 5.5V
) ..................................... 0.62V to 3.6V
0.6045
EN
Min.
2.45
−2.5
(2)
®
2.7
2.2
0.5
86
) .. ……………………….0V to V
-14 (θ
J
≤ +125°C, unless noted.
J
JA
).. ….−40°C ≤ T
Typ.
2.55
0.01
0.62
0.85
0.19
320
160
)..........................55°C/W
3.3
0.3
0.8
0.2
2.7
0.9
0.1
75
22
92
68
20
4
7
0.6355
M9999-092910-A
Max.
2.65
+2.5
5.5
1.2
45
96
5
2
MIC33153
J
≤ +125°C
Units
MHz
%/V
%/A
mV
µA
µA
µA
µA
°C
°C
µs
µs
%
%
%
Ω
V
V
V
A
V
IN