MIC5159_06 Datasheet, PDF (15/23 Pages) Micrel Semiconductor – Programmable Current Limit μCap LDO Regulator Controller

Micrel, Inc.
Schematic D
Input/Output Combination Examples
Input
3.3V
3.3V
3.3V
3.3V
2.5V
2.5V
2.5V
1.8V
1.8V
Output
2.5V
1.8V
1.5V
1.25V
1.8V
1.5V
1.25V
1.5V
1.25V
Maximum Current
2.5A
1.25A
1A
0.75A
2.5A
2A
1.5A
2A
3A
U1 MIC5159BM6/YM6
Application Circuit
6
5
Max. Power
4
Dissipation at 60°C T_A
3
2
Dropout
1
0
0
1
2
3
4
OUTPUT CURRENT (A)
Si34433DY x2 SOA
Bill of Materials
Item
C1
C2
R1
R2
R3
Q1, Q2
U1
Part Number
GRM40 X7R 106 6.3
C2012X5RR0J106M
GRM42-2 X5R 226K 6.3
C3225X5R1A226M
CRCW08051002
CRCW08059761
CRCW08052152
CRCW08054642
CRCW08058253
CRCW080549R9 F
Si4433DY
MIC5159BM6/YM6
Manufacturer
Murata⁽¹⁾
TDK⁽²⁾
Murata
TDK
Vishay Dale⁽³⁾
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Siliconix⁽⁵⁾
Micrel, Inc.⁽⁶⁾
Notes:
1. Murata Tel: [phone]
2. TDK Tel: [phone]
3. Vishay Dale Tel: [phone]
4. To calculate other output voltage values:
R1
R2 =
⎜⎛
⎜⎝
VOUT
1.235
⎟⎞
⎟⎠
−
1
5. Vishay Siliconix Tel: [phone]
6. Micrel, Inc. Tel: [phone]
Description
10µF, 6.3V Ceramic MLCC, Size 0805
10µF, 6.3V Ceramic MLCC, Size 0805
22µF, 6.3V Ceramic MLCC, Size 1210
22µF, 10V Ceramic MLCC, Size 1210
10kΩ Resistor, Size 0805
Output Voltage:2.3V; 9.76kΩ Resistor, Size 0805⁽⁴⁾
Output Voltage:1.8V; 21.5kΩ Resistor, Size 0805⁽⁴⁾
Output Voltage:1.5V; 46.4kΩ Resistor, Size 0805⁽⁴⁾
Output Voltage:1.25V; 825kΩ Resistor, Size 0805⁽⁴⁾
49.9Ω Resistor, Size 0805
P-Channel MOSFET SO-8
Programmable Current Limit µCap LDO Regulator
MIC5159
Qty.
1
1
1
1
1
1
1
1
2
1
June 2006
15
M9999-062706