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RT8010BGQW

P1-P3P4-P6P7-P9P10-P12
RT8010B
4
DS8010B-04 March 2011www.richtek.com
Parameter Symbol Test Conditions Min Typ Max Unit
Oscillator Frequency
f
OSC
V
IN
= 3.6V, I
OU T
= 100mA
1.2 1.5 1.8 MHz
Thermal Shutdown Temperature
T
SD
-- 160 --
°C
Max. Duty Cycle 100 -- -- %
LX Leakage Current
V
IN
= 3.6V, V
LX
= 0V or V
LX
= 3.6V −1
-- 1
μA
Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
Note 2. θ
JA
is measured in the natural convection at T
A
= 25°C on a high effective four layers thermal conductivity test board of
JEDEC 51-7 thermal measurement standard. The case point of θ
JC
is on the expose pad of the package.
Note 3 Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Note 5. ΔV = I
OUT
x P
RDS(ON)
Note 6. Guarantee by design.
RT8010B
5
DS8010B-04 March 2011 www.richtek.com
Typical Operating Characteristics
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Output Current (A)
Efficiency (%)
V
OUT
= 1.2V, C
OUT
= 4.7μF, L = 4.7μH
V
IN
= 2.5V
V
IN
= 3.3V
EN Pin Threshold vs. Temperature
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature
EN Pin Threshold (V)
(°C)
V
IN
= 3.6V, V
OUT
= 1.2V, I
OUT
= 0A
Rising
Falling
EN Pin Threshold vs. Input Voltage
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
Input Voltage (V)
EN Pin Threshold (V)
V
OUT
= 1.2V, I
OUT
= 0A
Rising
Falling
V
REF
vs. Temperature
0.588
0.590
0.592
0.594
0.596
0.598
0.600
0.602
0.604
0.606
0.608
0.610
0.612
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature
V
REF
(V)
(°C)
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Output Current (A)
Efficiency (%)
V
OUT
= 1.2V, C
OUT
= 10μF, L = 2.2μH
V
IN
= 2.5V
V
IN
= 3.3V
UVLO Threshold vs. Temperature
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature
UVLO Threshold (V)
(°C)
V
OUT
= 1.2V, I
OUT
= 0A
Rising
Falling
RT8010B
6
DS8010B-04 March 2011www.richtek.com
Output Voltage vs. Loading Current
1.180
1.185
1.190
1.195
1.200
1.205
1.210
1.215
1.220
1.225
1.230
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Loading Current (A)
Output Voltage (V)
V
IN
= 3.6V
Output Voltage vs. Temperature
1.15
1.16
1.17
1.18
1.19
1.20
1.21
1.22
1.23
1.24
1.25
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature
Output Voltage (V)
V
IN
= 3.6V, I
OUT
= 0A
(°C)
Frequency vs. Temperature
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature
Frequency (MHz)
V
IN
= 3.6V, V
OUT
= 1.2V, I
OUT
= 300mA
(°C)
Frequency vs. Input Voltage
1.20
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
2.5 2.8 3.1 3.4 3.7 4
Input Voltage (V)
Frequency (MHz)
V
IN
= 3.6V, V
OUT
= 1.2V, I
OUT
= 300mA
Output Current Limit vs. Temperature
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature
Output Current limit (A)
V
IN
= 3.6V
V
OUT
= 1.2V
V
IN
= 3.3V
(°C)
Output Current Limit vs. Input Voltage
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5 2.75 3 3.25 3.5 3.75 4
Input Voltage (V)
Output Current limit (A)
V
OUT
= 1.2V @ T
A
= 25°C
P1-P3P4-P6P7-P9P10-P12

RT8010BGQW

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