MIC4680 Micrel Semiconductor, MIC4680 Datasheet - Page 3

• Manufacturer Part Number: MIC4680
• Description: 1A 200kHz SuperSwitcher Buck Regulator Final Information
• Manufacturer: Micrel Semiconductor

Absolute Maximum Ratings
Supply Voltage (V
Shutdown Voltage (V
Steady-State Output Switch Voltage (V
Feedback Voltage [Adjustable] (V
Storage Temperature (T
ESD, Note 5
Electrical Characteristics
V
Parameter
MIC4680 [Adjustable]
Feedback Voltage
Maximum Duty Cycle
Output Leakage Current
Quiescent Current
MIC4680-3.3
Output Voltage
Maximum Duty Cycle
Output Leakage Current
Quiescent Current
MIC4680-5.0
Output Voltage
Maximum Duty Cycle
Output Leakage Current
Quiescent Current
June 2000
MIC4680
IN
= 12V; I
LOAD
= 500mA; T
IN
), Note 3 ...................................... +38V
SHDN
S
) ....................... –65 C to +150 C
J
) .......................... –0.3V to +38V
= 25 C, bold values indicate –40 C
Condition
( 1%)
( 2%)
8V
V
V
V
V
( 1%)
( 3%)
6V
V
V
V
V
( 1%)
( 3%)
8V
V
V
V
V
FB
FB
IN
IN
FB
FB
IN
IN
FB
FB
IN
IN
FB
) .......................... +12V
= 34V, V
= 34V, V
= 34V, V
= 34V, V
= 34V, V
= 34V, V
= 1.0V
= 1.5V
= 2.5V
= 4.0V
= 4.0V
= 6.0V
V
V
V
IN
IN
IN
SW
(Note 1)
) .................. –1V
34V, 0.1A
34V, 0.1A
34V, 0.1A
SHDN
SHDN
SHDN
SHDN
SHDN
SHDN
= 5V, V
= 5V, V
= 5V, V
= 5V, V
= 5V, V
= 5V, V
I
I
I
LOAD
LOAD
LOAD
SW
SW
SW
SW
SW
SW
= 0V
= –1V
= 0V
= –1V
= 0V
= –1V
3
1A, V
1A
1A
T
Operating Ratings
Supply Voltage (V
Junction Temperature (T
Package Thermal Resistance (
J
OUT
+125 C, Note 7; unless noted.
= 5V
IN
), Note 4 .......................... +4V to +34V
J
) ...................................... +125 C
(Note 2)
1.217
1.205
1.193
1.180
3.266
3.201
3.168
3.135
4.950
4.800
4.750
4.85
Min
93
93
93
JA
), Note 6 ............ 63 C/W
1.230
1.230
Typ
3.3
3.3
5.0
5.0
97
50
97
50
97
50
4
7
4
7
4
7
1.243
1.255
1.267
1.280
3.333
3.399
3.432
3.465
5.200
5.250
Max
5.05
5.15
500
500
500
20
12
20
12
20
12
MIC4680
Micrel
Units
mA
mA
mA
mA
mA
mA
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A