MIC2165 Datasheet, PDF (3/27 Pages) Micrel Semiconductor – Adaptive On-Time DC-DC Controller Featuring Hyper Light Load

Micrel, Inc.
MIC2165
Absolute Maximum Ratings⁽¹⁾
V_IN to GND ...................................................... -0.3V to +29V
V_DD, V_FB, V_PGOOD to GND .................................. -0.3V to +6V
V_BST to V_SW ....................................................... -0.3V to +6V
V_BST to GND ................................................... -0.3V to +35V
V_EN to GND.............................................-0.3V to (V_IN+0.3V)
V_DH to V_SW ..........................................-0.3V to (V_BST + 0.3V)
V_DL to GND ..........................................-0.3V to (V_DD + 0.3V)
PGND to GND ............................................... -0.3V to +0.3V
Junction Temperature .............................................. +150°C
Storage Temperature (T_S)..........................-65°C to +150°C
Lead Temperature (soldering, 10sec) ........................ 260°C
Operating Ratings⁽²⁾
Supply Voltage (V_IN) .......................................... 4.5V to 28V
Enable Input Voltage (V_EN)..................................... 0V to V_IN
Junction Temperature (T_J) .........................-40°C to +125°C
Package Thermal Resistance ⁽³⁾
MSOP-10L ePad (θ_JA) ......................................77°C/W
MSOP-10L ePad (θ_JC) ......................................10°C/W
Electrical Characteristics
V_IN = V_EN= 12V; V_BST – V_SW = 5V; T_J = 25°C, unless noted. Bold values indicate -40°C ≤ T_J ≤ 125°C.
Parameter
Condition
Min
Typ
Power Input Supply
Input Voltage Range (VIN)
Quiescent Supply Current
Shutdown Current
VFB = 1.5V (non-switching)
VEN = 0V
4.5
450
5
VDD Supply
VDD Output Voltage
VDD UVLO Threshold
VDD UVLO Hysteresis
Dropout Voltage (VIN - VDD)
VIN = 7V to 28V, IDD = 40mA
VDD rising
IDD = 25mA
4.8
5.2
3.7
4.2
400
380
DC-DC Controller
Output-Voltage Adjust Range
0.8
(VOUT)
Reference
Feedback Regulation Voltage
Load Regulation
Line Regulation
FB Bias Current
Enable Control ⁽⁵⁾
Enable Logic Level High
Enable Logic Level Low
Enable Hysteresis
Enable Bias Current
TJ = 25°C
0°C ≤ TJ ≤ 85°C
-40°C ≤ TJ ≤ 125°C
IOUT = 2A to 10A (Continuous Mode)
Depends on external components
VIN = 4.5V to 28V
Depends on external components
VFB = 0.8V
VEN = 12V
0.792
0.8
0.788
0.784
0.25
0.25
50
1.6
100
6
Max
28
750
10
5.4
4.5
600
0.808
0.812
0.816
500
0.6
30
Units
V
µA
µA
V
V
mV
mV
V
V
V
V
%
%
nA
V
V
mV
µA
June 2010
3
M9999-060810-D