rt8297a Richtek Technology Corporation, rt8297a Datasheet - Page 7

• Manufacturer Part Number: rt8297a
• Description: 1.5a, 17v, 340/800khz Synchronous Step-down Converter
• Manufacturer: Richtek Technology Corporation

DS8297A/B-00 March 2011
400
375
350
325
300
275
250
355
350
345
340
335
330
325
320
315
310
900
850
800
750
700
650
600
-50
4
4
Quiescent Current vs. Input Voltage
-25
Frequency vs. Temperature
6
6
Frequency vs. Input Voltage
8
0
8
Temperature (°C)
Input Voltage (V)
RT8297A, V
RT8297A, V
RT8297A, V
Input Voltage (V)
10
25
10
OUT
OUT
12
12
EN
50
= 3.3V, V
= 3.3V, I
= 3.3V, I
14
14
75
OUT
OUT
FB
100
= 0.85V
16
16
= 0.3A
= 0.3A
125
18
18
1000
900
875
850
825
800
775
750
725
700
860
850
840
830
820
810
800
790
780
950
900
850
800
750
700
650
600
-50
4
4
Quiescent Current vs. Input Voltage
-25
Frequency vs. Input Voltage
6
6
Frequency vs. Temperature
8
0
8
Temperature (°C)
Input Voltage (V)
RT8297B, V
RT8297B, V
Input Voltage (V)
RT8297B, V
10
25
10
RT8297A/B
OUT
OUT
12
50
12
EN
= 3.3V, V
= 3.3V, I
= 3.3V, I
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14
75
14
OUT
OUT
FB
100
= 0.85V
16
16
= 0.3A
= 0.3A
125
7
18
18