RT8208A
RT8208A is Programmable Output Voltage Single Synchronous Buck Controller manufactured by Richtek.
features include soft-start, under voltage prote ction, programmable over current protection and non-overlapping gate drive. The RT8208A/ B is available in a WQFN-16L 3x3 package.
Features z z z z z z z z z z z z z z z
Ultra-High Efficiency Resistor Programmable Output Voltage from 0.75V to 3.3V with Integrated Transition Support Quick Load Step Response within 100ns 1% VFB Accuracy over Line and Load 4.5V to 26V Battery Input Range Resistor Programmable Frequency Integrated Bootstrap Switch Resistor Programmable Positive Current Limit by Low Side RDS(ON) Sense (Lossless Limit) Negative Current Limiter Voltage Transient Overshoot Eliminator- Over Voltage Protection Under Voltage Protection 4 Steps Current Limit During Soft-Start Power Good Indicator Ro HS pliant and Halogen Free
- Paten Pending
Application s z z z z
Notebook puters System Power Supplies I/O Supplies Programmable-Output Power Supplies
Ordering Information
RT8208 Package Type QW : WQFN-16L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) Z : ECO (Ecological Element with Halogen Free and Pb free)
Pin Configuration s
(TOP VIEW)
EN/DEM G1 BOOT TON
16 15 14 13
VOUT VDD FB PGOOD
1 2 3 4 5 6
17 7 8
11 10 9
UGAT E PHASE CS VDDP
Note :
`
Turn-on D0/D1 MOSFET A : G0/G1 High B : G0/G1 Low
LGATE
D0 G0
D1
Richtek products are : Ro HS pli ant and patible with the current requirements of IPC/JEDEC J-ST D-020.
`
WQFN-16L 3x3
Suitable for use in Sn Pb or Pb-free soldering processes.
DS8208A/B-04 May 2011
.richtek. 1 http://..
RT8208A/B
Marking Information
RT8208AGQW FF= : Product Code RT8208BGQW FG= : Product Code YMDNN : Date...
