RT8010-12GQW Richtek USA Inc, RT8010-12GQW Datasheet - Page 6

• Manufacturer Part Number: RT8010-12GQW
• Description: IC DCDC CONV STP-DN SYNC 6WDFN
• Manufacturer: Richtek USA Inc
• Type: Step-Down (Buck), PWMr

Specifications of RT8010-12GQW

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.2V
• Current - Output: 1A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 6-WDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RT8010/A
Typical Operating Characteristics
www.richtek.com
6
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
2.5
0
0
V
V
V
EN Pin Threshold vs. Input Voltage
0.1
0.1
2.8
IN
IN
IN
Efficiency vs. Output Current
= 3.6V
= 4.2V
= 5V
Efficiency vs. Output Current
0.2
0.2
3.1
V
0.3
0.3
3.4
V
OUT
Output Current (A)
Output Current (A)
OUT
Input Voltage (V)
= 3.3V,
0.4
0.4
3.7
= 1.2V,
Rising
0.5
0.5
4
C
Falling
C
OUT
V
OUT
0.6
0.6
4.3
OUT
= 4.7μF,
= 10μF,
= 1.2V,
0.7
0.7
4.6
V
V
V
0.8
0.8
4.9
L
IN
IN
IN
L
I
OUT
= 4.7μH
= 5V
= 2.2μH
= 3.3V
= 2.5V
0.9
0.9
5.2
= 0A
5.5
1
1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
100
90
80
70
60
50
40
30
20
10
0
-40 -25 -10
-40 -25 -10
0
EN Pin Threshold vs. Temperature
0.1
UVLO Voltage vs. Temperature
Efficiency vs. Output Current
0.2
5
5
V
0.3
OUT
Temperature (°C)
Falling
Output Current (A)
Temperature (°C)
Falling
20
V
20
IN
DS8010/A-06 February 2011
= 1.2V,
0.4
= 3.6V, V
35
35
Rising
0.5
C
50
50
OUT
V
0.6
OUT
OUT
Rising
65
65
= 4.7μF,
= 1.2V,
= 1.2V,
0.7
80
80
V
V
V
0.8
L
95 110 125
IN
IN
IN
95 110 125
I
I
OUT
OUT
= 4.7μH
= 5V
= 3.3V
= 2.5V
0.9
= 0A
= 0A
1