RT8202AGQW Richtek USA Inc, RT8202AGQW Datasheet - Page 8

• 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: -

RT8202/A/B
www.richtek.com
8
(20V/Div)
(10V/Div)
EN/DEM
EN/DEM
(2V/Div)
PHASE
(2V/Div)
UGATE
PGOOD
(2V/Div)
(1V/Div)
(5V/Div)
(1V/Div)
LGATE
V
V
OUT
OUT
400
390
380
370
360
350
340
330
320
310
300
290
280
7
PWM-Mode
Standby Current vs. Input Voltage
9
11
Power Off from EN
Power On from EN
13
Time (800μs/Div)
Input Voltage (V)
Time (4ms/Div)
V
V
IN
IN
15
= 12V, EN = Floating, No Load
= 12V, EN = Floating, No Load
17
19
EN = 5V, No Load
21
23
25
(100mV/Div)
V
(10V/Div)
(20V/Div)
EN/DEM
OUT_ac
PHASE
(5V/Div)
PGOOD
(2V/Div)
UGATE
(1V/Div)
(5A/Div)
(5V/Div)
LGATE
I
V
LOAD
OUT
3.0
2.5
2.0
1.5
1.0
0.5
0.0
7
DEM-Mode
Shutdown Current vs. Input Voltage
V
9
OUT
11
V
Load Transient Response
IN
Power On from EN
= 12V, EN = Floating, I
13
Input Voltage (V)
Time (800μs/Div)
Time (10μs/Div)
DS8202/A/B-04 March 2011
15
V
IN
= 12V, EN = 5V, No Load
17
EN = GND, No Load
19
OUT
21
= 0A to 6A
23
25