MIC2196 Micrel Semiconductor, MIC2196 Datasheet - Page 3

• Manufacturer Part Number: MIC2196
• Description: 400kHz SO-8 Boost Control IC
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Digital Supply Voltage (V
Comp Pin Voltage (V
Feedback Pin Voltage (V
Enable Pin Voltage (V
Current Sense Voltage (V
Power Dissipation (P
Ambient Storage Temperature ................. –65 C to +150 C
ESD Rating, Note3 ....................................................... 2kV
Electrical Characteristics
V
Parameter
Regulation
Feedback Voltage Reference
Feedback Bias Current
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
Input & V
V
Shutdown Quiescent Current
Digital Supply Voltage (V
Digital Supply Load Regulation
Undervoltage Lockout
UVLO Hysteresis
Enable/UVLO
Enable Input Threshold
UVLO Threshold
Enable Input Current
Current Limit
Current Limit Threshold Voltage
Error Amplifier
Error Amplifier Gain
Current Amplifier
Current Amplifier Gain
Oscillator Section
Oscillator Frequency (f
Maximum Duty Cycle
Minimum On Time
Frequency Foldback Threshold
Frequency Foldback Frequency
August 2004
MIC2196
IN
IN
= 5V, V
Input Current (I
DD
OUT
Supply
= 12V, T
Q
IN
)
) ..................................................... 15V
O
D
COMP
)
A
) ..................... 285mW @ T
DD
EN/UVLO
= 25 C. Bold values indicate –40 C<T
)
DD
FB
CS
) ............................ –0.3V to +3V
) .......................... –0.3V to +3V
) ........................................... 7V
) ......................... –0.3V to +1V
) ..................... –0.3V to 15V
Condition
( 1%)
( 2%)
3V
0mV
3V
(excluding external MOSFET gate current)
V
I
I
V
V
(Voltage on CS to trip current limit)
V
V
Measured on FB
L
L
EN/UVLO
DD
EN/UVLO
FB
FB
= 0
= 0 to 5mA
= 1.0V
= 1.5V
upper threshold (turn on threshold)
V
V
IN
IN
V
(Note 1)
CS
= 0V
= 5V
9V
9V ; 0mV
75mV
A
= 85 C
V
CS
J
75mV ( 3%)
<+125 C; unless otherwise specified.
3
Operating Ratings
Supply Voltage (V
Junction Temperature ....................... –40 C
Package Thermal Resistance
JA
8-lead SOIC ................................................ 140 C/W
IN
) .................................... +2.9V to +14V
(Note 2)
1.233
1.220
1.208
2.82
Min
360
0.6
1.4
90
1.245
1.245
+0.08
–1.2
2.65
Typ
110
165
100
400
0.5
3.0
0.1
0.9
1.5
0.2
3.7
0.3
50
20
85
90
1
1.258
1.270
1.282
Max
3.18
130
440
1.2
1.6
TJ
2
5
5
MIC2196
+125 C
Micrel
Units
% / V
V/V
V/V
kHz
kHz
mA
mV
mV
nA
ns
%
%
V
V
V
V
V
V
V
V
V
A
A