MIC5156 Datasheet, PDF (4/11 Pages) Micrel Semiconductor – Super LDO™ Regulator Controller

MIC5156/5157/5158
Absolute Maximum Ratings (Note 1)
Supply Input (V_DD) ...................................................... +38V
Enable Input (V_EN) ......................................... –0.3V to 36V
Gate Output (V_G) MIC5156 ......................................... +55V
Charge Pump Node (V_CP) MIC5157/8 ........................ +55V
Source Connection (V_S) .................................... 1.3 to +36V
Flag (V_FLAG) .................................................... –0.3 to +40V
Storage Temperature (T_S) ....................... –65°C to +150°C
Lead Temperature (soldering 10 sec.) ...................... 300°C
Micrel
Operating Ratings (Note 2)
Ambient Temperature Range (T_A)
MIC515xBM/BN ..................................... –40°C to +85°C
Junction Temperature (T_J) ...................................... +150°C
Thermal Resistance (θ_JA)
Package
MIC5156
MIC5157/8
DIP ............................... 100°C/W ..................... 90°C/W
SOP .............................. 160°C/W ................... 120°C/W
Electrical Characteristics
V_DD = 5V, V_EN = 5V; T_A = 25°C; unless noted.
Symbol Parameter
Condition
V_DD
I_DD(ON)
I_DD(OFF)
I_DD(ON)
I_DD(OFF)
V_IH
V_IL
EN I_B
V_CP
f_CP
V_{OUT MAX}
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)
V_{OUT MIN}
V_LIM
V_S
Minimum Gate Drive Voltage
Current Limit Threshold
Source Voltage
Operating, V_EN = 5V
Shutdown, V_EN = 0V
Operating, V_EN = 5V
Shutdown, V_EN = 0V
High
Low
V_EN = 2.4V
V_CP – V_DD, V_DD > 10V
V_SOURCE = 0V
V_DD = 3.5V
V_DD = 5V
V_DD = 12V
V_SOURCE > V_OUT(NOM)
V_DD – V_D @ I_LIM
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_DD = 7V, (12V config.)
MIC5158, 5V FB pin to EA pin (5V config.)
V_BG
V_LR
V_{GS MAX}
V_FT
V_FH
V_SAT
Bandgap Reference Voltage
Output Voltage Line Regulation
Gate to Source Clamp
Flag Comparator Threshold
Flag Comparator Hysteresis
Flag Comparator Sat. Voltage
MIC5156 [adjustable] and MIC5158
5V < V_DD < 15V, V_OUT = 3.3V
% of nominal V_SOURCE
% of nominal V_SOURCE
I_FLAG = 1mA
Note 1.
Note 2.
Note 3.
Note 4.
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.
March 1999
3-115
Min Typ Max Units
3
36
V
2.7
10
mA
0.1
5
µA
3
4.5
10
mA
0.1
5
µA
2.4
1.3
V
1.3
0.8
V
20
25
µA
17.5 18.5
V
160
kHz
5
7.0
9
V
9
11.3 15
V
24
28
30
V
1.0
V
28
35
42
mV
3.267 3.3 3.333 V
4.950 5.0 5.050 V
3.250 3.3 3.350 V
4.950 5.0 5.050 V
11.70 12 12.30 V
4.925 5.0 5.075 V
1.222 1.235 1.248 V
2
7
mV
14 16.6 20
V
92
%
3
%
0.09 0.2
V