RT8202AGQW Richtek USA Inc, RT8202AGQW Datasheet - Page 3

• Manufacturer Part Number: RT8202AGQW
• Description: IC PWM CTRLR SYNC BUCK 16WQFN
• Manufacturer: Richtek USA Inc

Specifications of RT8202AGQW

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Voltage - Supply: 4.5 V ~ 5.5 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Duty Cycle: -

Function Block Diagram
DS8202/A/B-04 March 2011
VOUT
GND
TON
VDD
FB
SS(Internal)
115% V
70% V
0.75V V
REF
REF
-
+
GM
EN/DEM
+
-
SS Timer
REF
TRIG
+
-
-
+
Compute
1-SHOT
On-time
90% V
OV
UV
REF
S1
S1
Shutdown
Latch
Latch
Thermal
-
+
Comp
-
+
Q
Q
Q
Min. T
1-SHOT
PGOOD
OFF
TRIG
R
S
Q
Emulation
Diode
+
-
RT8202/A/B
DRV
DRV
20uA
www.richtek.com
OC
BOOT
UGATE
PHASE
VDDP
LGATE
PGND
3