RT9203 RICHTEK [Richtek Technology Corporation], RT9203 Datasheet - Page 9

• Manufacturer Part Number: RT9203
• Description: Dual Regulators - Synchronous Buck PWM DC-DC and Linear Controller
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS9203/A-10 March 2007
55
50
45
40
35
30
25
20
-40
V
V
CC
OUT
= 5V
-10
= 2.2V
Short Hiccup (Latch Mode)
I
Bootstrap Wave Form
OCSET
20
UGATE
LGATE
PHASE
Temperature
Time (2ms/Div)
Time (1us/Div)
vs. Temperature
50
V
CC
( C)
= 5V, V
80
V
UGATE
OUT
OUT
110
RT9203
= 2.2V
Preliminary
140
0.803
0.802
0.801
0.800
0.799
0.798
0.797
0.796
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
-50
-50
V
V
POR (Rising/Falling) vs. Temperature
CC
OUT
= 5V
= 2.2V
Reference vs. Temperature
Rising
Falling
0
0
Temperature
Short Hiccup
Temperature
Time (2ms/Div)
50
50
RT9203/A
( C)
( C)
www.richtek.com
100
100
UGATE
V
RT9203A
OUT
150
150
9