MIC2182 Micrel Semiconductor, MIC2182 Datasheet - Page 4

• Manufacturer Part Number: MIC2182
• Description: High-Efficiency Synchronous Buck Controller Final Information
• Manufacturer: Micrel Semiconductor

MIC2182
Absolute Maximum Ratings
Analog Supply Voltage (V
Digital Supply Voltage (V
Driver Supply Voltage (B
Sense Voltage (V
Sync Pin Voltage (V
Enable Pin Voltage (V
Power Dissipation (P
Ambient Storage Temperature (T
ESD, Note 3
Electrical Characteristics
V
noted
Parameter
MIC2182 [Adjustable], (Note 5)
Feedback Voltage Reference
Feedback Voltage Reference
Feedback Voltage Reference
Feedback Bias Current
Output Voltage Range
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
MIC2182-3.3
Output Voltage
Output Voltage
Output Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
MIC2182-5.0
Output Voltage
Output Voltage
Output Voltage
Output Voltage Line Regulation
Output Voltage Load Regulation
Output Voltage Total Regulation
Input and VDD Supply
PWM Mode
Skip Mode
Shutdown Quiescent Current
Digital Supply Voltage (V
Undervoltage Lockout
MIC2182
IN
SOP ................................................ 400mW @ T
SSOP ............................................. 270mW @ T
= 15V; SS = open; V
OUT
SYNC
D
, C
EN/UVLO
PWM
)
DD
SH
ST
)
DD
) ................................ 7V to –0.3V
IN
= 0V; V
) ............................. 7V to –0.3V
) .................................... V
) ....................................... +34V
) ......................................... +7V
) ...................................... V
Condition
4.5V < V
V
25mV < (V
0mV < (V
4.5V < V
V
25mV < (V
0mV < (V
6.5V < V
V
25mV < (V
0mV < (V
V
I
V
I
V
V
L
L
S
SHDN
IN
IN
IN
PWM
EN/UVLO
DD
DD
) ......... –65 C to +150 C
= 0mA, V
= 0mA to 5mA
= 4.5V to 32V, V
= 4.5V to 32V, V
= 6.5V to 32V, V
upper threshold (turn on threshold)
lower threshold (turn off threshold)
= 0V, excluding external MOSFET gate drive current
= 5V; I
(Note 1)
IN
IN
IN
CSH
CSH
CSH
= 0V
CSH
CSH
CSH
< 32V, 0 < V
< 32V, 0 < V
< 32V, 0 < V
PWM
LOAD
– V
– V
– V
– V
– V
– V
floating (1nF capacitor to ground)
OUT
OUT
OUT
OUT
OUT
OUT
= 0.1A; T
A
A
CSH
CSH
CSH
) < 75mV (full load range) 4.5V < V
) < 75mV (full load range) 4.5V < V
) < 75mV (full load range) 6.5V < V
= 85 C
= 85 C
IN
) < 75mV (PWM mode only)
) < 75mV (PWM mode only)
) < 75mV (PWM mode only)
CSH
CSH
CSH
+7V
– V
– V
– V
IN
A
– V
– V
– V
OUT
OUT
OUT
= 25 C, bold values indicate –40 C
4
OUT
OUT
OUT
= 50mV
= 50mV
= 50mV
Operating Ratings
Analog Supply Voltage (V
Ambient Temperature (T
Junction Temperature (T
Package Thermal Resistance
< 75mV
< 75mV
< 75mV
SOP
SSOP
JA
JA
) .......................................................... 100 C/W
) ........................................................ 150 C/W
IN
IN
IN
< 32V
< 32V
< 32V
A
J
) ....................... –40 C to +125 C
IN
) ......................... –40 C to +85 C
(Note 2)
) ........................ +4.5V to +32V
1.233
1.220
1.208
3.267
3.234
3.201
1.25
4.95
4.90
4.85
Min
4.7
T
A
+85 C; Note 4; unless
1.245
1.245
1.245
0.03
0.03
0.03
Typ
600
0.5
0.6
3.3
3.3
3.3
0.5
0.8
5.0
5.0
5.0
0.5
0.8
1.6
0.1
4.2
4.1
10
1.257
1.270
1.282
3.333
3.366
3.399
5.150
1500
Max
5.05
5.10
2.5
5.3
6
5
June 2000
Micrel
Units
%/V
%/V
%/V
mA
nA
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A