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MIC2196YM 데이터시트(PDF) 3 Page - Micrel Semiconductor

부품명 MIC2196YM
상세설명  400kHz SO-8 Boost Control IC
PDF  11 Pages
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제조업체  MICREL [Micrel Semiconductor]
홈페이지  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2196YM 데이터시트(HTML) 3 Page - Micrel Semiconductor

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



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