MIC5157 Micrel Semiconductor, MIC5157 Datasheet - Page 4

• Manufacturer Part Number: MIC5157
• Description: Mic5156, Mic5157, And Mic5158 Super Ldo? Regulator Controller
• Manufacturer: Micrel Semiconductor

MIC5156/5157/5158
Absolute Maximum Ratings
Supply Input (V
Enable Input (V
Gate Output (V
Charge Pump Node (V
Source Connection (V
Flag (V
Storage Temperature (T
Lead Temperature (soldering 10 sec.) ....................... 300°C
Electrical Characteristics
V
Symbol
V
I
I
I
I
V
V
EN I
V
f
V
V
V
V
V
V
V
V
V
V
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
MIC5156/5157/5158
DD(ON)
DD(OFF)
DD(ON)
DD(OFF)
CP
DD
DD
IH
IL
CP
OUT MAX
OUT MIN
LIM
S
BG
LR
GS MAX
FT
FH
SAT
B
= 5V, V
FLAG
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
Test configuration. External MOSFET not used.
Specification for packaged product only.
EN
Parameter
Supply Voltage
Supply Current MIC5156
Supply Current MIC5157/8
Enable Input Threshold
Enable Input Bias Current
Max. Charge Pump Voltage
Charge Pump Frequency
Maximum Gate Drive Voltage
(MIC5157/8)
Minimum Gate Drive Voltage
Current Limit Threshold
Source Voltage
Bandgap Reference Voltage
Output Voltage Line Regulation
Gate to Source Clamp
Flag Comparator Threshold
Flag Comparator Hysteresis
Flag Comparator Sat. Voltage
) .................................................... –0.3 to +40V
= 5V; T
G
DD
EN
) MIC5156 ......................................... +55V
) ....................................................... +38V
) ..........................................–0.3V to 36V
A
= 25°C; unless noted.
S
CP
) ................................... 1.3 to +36V
S
) ........................ –65°C to +150°C
) MIC5157/8 ........................ +55V
(Note 5)
(Note 1)
Condition
Operating, V
Shutdown, V
Operating, V
Shutdown, V
High
Low
V
V
V
V
V
V
V
V
Short G (gate) to (S) source, Note 4
MIC5156-3.3
MIC5156-5.0
MIC5157, 3.3V pin to S pin (3.3V config.)
MIC5157, 5V pin to S pin (5V config.)
MIC5157, V
MIC5158, 5V FB pin to EA pin (5V config.)
MIC5156 [adjustable] and MIC5158
5V < V
% of nominal V
% of nominal V
I
FLAG
EN
CP
SOURCE
DD
DD
DD
SOURCE
DD
= 2.4V
– V
= 3.5V
= 5V
= 12V
– V
= 1mA
DD
DD
D
= 0V
> V
@ I
< 15V, V
, V
DD
EN
EN
EN
EN
DD
OUT(NOM)
LIM
= 7V, (12V config.)
SOURCE
SOURCE
= 5V
= 5V
= 0V
= 0V
> 10V
OUT
4
Operating Ratings
Ambient Temperature Range (T
Junction Temperature (T
Thermal Resistance (θ
Package
= 3.3V
MIC515xBM/BN ...................................... –40°C to +85°C
DIP ................................ 100°C/W ..................... 90°C/W
SOIC ............................. 160°C/W ................... 120°C/W
JA
J
)
) ....................................... +150°C
(Note 2)
MIC5156
3.267
4.950
3.250
4.950
4.925
1.222
11.70
Min
2.4
24
28
14
3
5
9
A
)
1.235
17.5
11.3
16.6
0.09
Typ
160
2.7
0.1
4.5
0.1
1.3
1.3
7.0
1.0
3.3
5.0
3.3
5.0
5.0
20
28
35
12
92
2
3
3.333
5.050
3.350
5.050
12.30
5.075
1.248
Max
18.5
0.8
0.2
August 2005
36
10
10
25
15
30
42
20
MIC5157/8
5
5
9
7
Micrel, Inc.
Units
kHz
mV
mV
mA
mA
µA
µA
µA
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V