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RT8800BGS Datasheet(PDF) 11 Page - Richtek Technology Corporation

Part # RT8800BGS
Description  General Purpose 2/3-Phase PWM Controller for High-Density Power Supply
PDF  26 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8800BGS Datasheet(HTML) 11 Page - Richtek Technology Corporation

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RT8800/B
11
DS8800/B-06
March 2007
www.richtek.com
All brand name or trademark belong to their owner respectively
Typical Operating Characteristics
VREF vs. Temperature
0.78
0.785
0.79
0.795
0.8
0.805
0.81
0.815
-25
-10
5
20
35
50
65
80
95
110 125
Temperature (
°C)
GM3
GM2
GM1
RICOMMON1 = 430
Ω
Frequency vs. RRT
0
100
200
300
400
500
600
700
800
900
1000
0
5
10
15
20
25
30
35
40
45
50
55
60
RRT (k )
(k
Ω)
Load Line
1.24
1.26
1.28
1.3
1.32
1.34
1.36
1.38
1.4
0
10
2030
405060
7080
90
100
Output Current (A)
RLL = 1.5m
Ω, RICOMMON2 = 10kΩ, RDROOP = 100Ω
VIN = 12V
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
1020
3040506070
8090
100
Output Current (A)
Driver RT9605
VIN = 12V, VOUT = 1.4V
GM
0
10
20
30
40
50
60
70
80
90
0
10
20304050
60708090 100 110
VC (mV)
GM3
GM2
GM1
RICOMMON1 = 430
Ω
(
°C)
OCP Trip Point vs. Temperature
0
30
60
90
120
150
180
210
240
-25
-10
5
2035
5065
8095
Temperature



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