MIC2169BMM Micrel Inc, MIC2169BMM Datasheet - Page 3

• Manufacturer Part Number: MIC2169BMM
• Description: IC CTRLR PWM SYNC BUCK 10-MSOP
• Manufacturer: Micrel Inc

Specifications of MIC2169BMM

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 550kHz
• Duty Cycle: 92%
• Voltage - Supply: 3 V ~ 14.5 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Frequency-max: 550kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Notes:
1. Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifi cations do not apply when operating
2. Devices are ESD sensitive, handling precautions required.
3. Specifi cation for packaged product only.
4. Guaranteed by design.
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
Digital Supply Voltage (V
Error Amplifi er
DC Gain
Transconductance
Soft-Start
Soft-Start Current
Current Sense
CS Over Current Trip Point
Temperature Coeffi cient
ppm/°C
Output Fault Correction Thresholds
Upper Threshold, V
Lower Threshold, V
March 2009
J
= 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, θ
die temperature, and the regulator will go into thermal shutdown.
DD
IN
= 5V; bold values indicate –40°C < T
Supply
(4)
FB_OVT
FB_UVT
IN
) ................................................... 15.5V
DD
S
J
)
) ........................ –65°C to +150 °C
) ..................–40°C ≤ T
BST
) .................................V
Condition
(± 1%)
(± 2% over temp)
V
external MOSFET gate current.)
V
After timeout of internal timer. See “Soft-Start” section.
V
(relative to V
(relative to V
3V ≤ V
CS
IN
CS
(3)
≥ 6V
= V
= V
(1)
JA
IN
IN
IN
, and the ambient temperature, T
≤ 14.5V; 1A ≤ I
–0.25V; V
–0.25V
FB
FB
)
)
J
J
< +125°C; unless otherwise specifi ed.
≤ +125°C
FB
IN
= 0.7V (output switching but excluding
OUT
+5V
≤ 10A; (V
3
Operating Ratings
Supply Voltage (V
Output Voltage Range .......................... 0.8V to V
Package Thermal Resistance
θ
A
JA
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
160
4.7
92
+1800
0.03
Typ
500
200
0.8
0.8
0.5
1.5
0.6
8.5
+3
30
30
70
–3
5
1
0.808
0.816
Max
100
550
240
5.3
60
M9999-032409
3
IN
J
(max),
× D
Units
% / V
kHz
mA
ms
nA
dB
μA
μA
ns
%
%
%
%
%
MAX
V
V
V