MIC2169 Micrel Semiconductor, MIC2169 Datasheet - Page 3

• Manufacturer Part Number: MIC2169
• Description: 500 KHZ PWM SYNCHRONOUS BUCK CONTROL IC
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Booststrapped Voltage (V
Junction Temperature (T
Storage Temperature (T
Electrical Characteristics
T
Parameter
Feedback Voltage Reference
Feedback Voltage Reference
Feedback Bias Current
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
Oscillator Section
Oscillator Frequency
Maximum Duty Cycle
Minimum On-Time
Input and V
PWM Mode Supply Current
Shutdown Quiescent Current
V
V
Period
Digital Supply Voltage (V
Notes:
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating
2. Devices are ESD sensitive, handling precautions required.
3. Specification for packaged product only.
4. Guaranteed by design.
November 2003
MIC2169
J
COMP
COMP
= 25 C, V
the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, T
the junction-to-ambient thermal resistance,
die temperature, and the regulator will go into thermal shutdown.
Shutdown Threshold
Shutdown Blanking
DD
IN
= 5V; bold values indicate –40 C < T
Supply
(4)
IN
) .................................................. 15.5V
DD
S
J
)
) ....................... –65 C to +150 C
) ................ –40 C
BST
) ............................... V
Condition
( 1%)
( 2% over temp)
V
external MOSFET gate current.)
V
C
V
3V
CS
COMP/EN
COMP
IN
(3)
= V
6V
V
(1)
JA
IN
= 100nF
IN
, and the ambient temperature, T
–0.25V; V
= 0V
14.5V; 1A
T
J
J
< +125 C; unless otherwise specified.
FB
+125 C
IN
= 0.7V (output switching but excluding
I
OUT
+5V
3
10A; (V
Operating Ratings
Supply Voltage (V
Output Voltage Range ........................... 0.8V to V
Package Thermal Resistance
JA
A
OUT
. The maximum allowable power dissipation will result in excessive
10-lead MSOP ............................................ 180 C/W
= 2.5V)
(4)
IN
) .................................... +3V to +14.5V
(2)
0.792
0.784
Min
450
0.1
4.7
92
0.03
0.25
Typ
500
0.8
0.8
0.5
0.6
1.5
30
30
50
4
5
0.808
0.816
Max
100
550
150
0.4
5.3
60
M9999-111803
3
IN
J
(max),
Micrel
Units
% / V
D
kHz
mA
ms
nA
ns
%
%
%
MAX
V
V
V
V
A