MIC2808 Datasheet, PDF (15/18 Pages) Micrel Semiconductor – RF PA Power Management IC 2MHz, 600mA DC/DC w/DAC Input and Bypass Switch, Dual Low Noise 200mA/30mA LDO Regulators

Micrel, Inc.
Typical Application Circuit
LDO2
GND
VIN
EN2
LDO1
GND
DAC
C3
1µF
6.3V
C2
1µF
6.3V
LDO2
OUT
VIN
VIN
C1
2.2µF
6.3V
EN2
OUT
SW
L1
4.7µH/1A
VIN
PVIN
C8
2.2µF
6.3V
C4
0.1µF
6.3V
C5
1µF
6.3V
LDO1 MIC2808-xxYFT
BYP
AVIN
EN
DAC
NC
EN1
C6
1µF
6.3V
AGND
PGND
C7
1µF
6.3V
MIC2808
VOUT
EN
EN1
Bill of Materials
Item
C1, C8
C2,
C3,
C5-C7
C4
L1
Part Number
C1608X5R0J225K
C1608X5R0J105K
C1608X5R0J104K
VLS3012T-4R7M1R0
CDH3D13-4R7NC
ME3220-472MLB
LQH32CN4R7M53
MIPF2520D4R7
U1 MIC2808-xxYFT
Notes:
1. TDK: www.tdk.com
2. Vishay: www.vishay.com
3. Sumida: www.sumida.com
4. Coilcraft: www.coilcraft.com
5. Murata: www.murata.com
6. FDK: www.fdk.co.jp
7. Micrel, Inc.: www.micrel.com
Manufacturer Description
Qty.
TDK⁽¹⁾
2.2µF Ceramic Capacitor, 6.3V, X5R, Size 0603
2
TDK⁽¹⁾
1µF Ceramic Capacitor, 6.3V, X5R, Size 0603
5
TDK⁽¹⁾
0.1µF Ceramic Capacitor, 6.3V, X5R, Size 0603
1
TDK⁽¹⁾
4.7µH, 1.2A, 130mΩ, L3.0mm x W3.0mm x H1.2mm
Sumida⁽³⁾
4.7µH, 1.15A, 175mΩ, L3.0mm x W3.0mm x H1.4mm
Coilcraft⁽⁴⁾
4.7µH, 1.4A, 190mΩ, L3.2mm x W2.5mm x H2.0mm
1
Murata⁽⁵⁾
4.7µH, 650mA, 150mΩ, L3.2mm x W2.5mm x H1.55mm
FDK⁽⁶⁾
4.7µH, 1.1A, 110mΩ, L2.5mm x W2.0mm x H1.0mm
Micrel, Inc.⁽⁷⁾
2MHz 600mA Buck with DAC Input, Bypass Switch and Dual
Low Noise 200mA/30mA LDOs
1
July 2009
15
M9999-071709-A