DS8813D Datasheet, PDF (10/23 Pages) Richtek Technology Corporation – Multi-Phase PWM Controller with PWM-VID Reference

RT8813D
Typical Operating Characteristics
10₁0₀%₀
90₉%₀
80₈%₀
70₇%₀
60₆%₀
505%0
404%0
303%0
202%0
101%0
0%0
0
Efficiency vs. Load Current
VIN = 19V, VPVCC = 5V,
VOUT = 0.9V, 2 Phase Operation
5 10 15 20 25 30 35 40 45 50 55 60
Load Current (A)
185.0
182.5
180.0
177.5
175.0
172.5
170.0
167.5
165.0
-50
T_ON vs. Temperature
VIN = 19V, VPVCC = 5V, No Load
-25
0
25
50 75 100 125
Temperature (°C)
Inductor Current vs. Output Current
35
30
25
Phase 1
20
Phase 2
15
10
5
VIN = 19V, VPVCC = 5V
0
0
10
20
30
40
50
60
Output Current (A)
10100%0
90₉%₀
808%0
70₇%₀
606%0
505%0
404%0
303%0
202%0
101%0
0%0
0.01
Efficiency vs. Load Current
VIN = 19V, VPVCC = 5V,
VOUT = 0.9V, 1 Phase with DEM Operation
0.1
1
10
Load Current (A)
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
1.96
-50
V_REF vs. Temperature
VIN = 19V, VPVCC = 5V, No Load
-25
0
25 50 75 100 125
Temperature (°C)
OCP
IL1
(20A/Div)
IL2
(20A/Div)
UGATE1
(50V/Div)
LGATE1
(10V/Div)
VIN = 19V, VPVCC = 5V
Time (20μs/Div)
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DS8813D-00 September 2016