RT9591 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
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Lista de partido
RT9591 Datasheet PDF : 13 Pages
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Preliminary
RT9591
Typical Operating Characteristics
Charge Time vs. VBAT (100uF COUT)
10.0
VOUT = 0V to 300V
9.0
COUT = 100uF
8.0
VDD = 3.3V
7.0
6.0
5.0
IPK-PRI = 1A
4.0
3.0
2.0
IPK-PRI = 1.5A
1.0
0.0
1.8
2.8
3.8
4.8
5.8
6.8
VBAT (V)
Efficiency vs. Output Voltage
90
85 VIN = 5V
VIN = 3.3V
IPK-PRI = 1.5A
COUT = 100uF
VDD = VBAT = VIN
80
VIN = 2.5V
75
70
VIN = 1.8V
65
60
55
50
50
100
150
200
250
300
Output Voltage (V)
Charge Time vs. VBAT (47uF COUT)
4.5
VOUT = 0V to 300V
4.0
COUT = 47uF
VDD = 3.3V
3.5
3.0
2.5
2.0
IPK-PRI = 1A
1.5
1.0
IPK-PRI = 1.5A
0.5
0.0
1.8
2.8
3.8
4.8
5.8
6.8
VBAT (V)
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
-50
Secondary Minimum Current vs.
Temperature
-25
0
25 50 75 100 125
Temperature (°C)
Output Voltage vs. Temperature
350
340
330
320
310
300
290
280
270
260
250
-50 -25
0
25 50 75 100 125
Temperature (℃°C)
350
340
330
320
310
300
290
280
270
260
250
1.8
Output Voltage vs. Input Voltage
VDD = VIN
VBAT = VIN
TA = 25°C
VOUT set 300V
2.8
3.8
4.8
5.8
6.8
Input Voltage (V)
DS9591-07 August 2007
Patent Pending
www.richtek.com
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