Texas Instruments TPS51225 Evaluation Module TPS51225EVM-133 TPS51225EVM-133 데이터 시트
제품 코드
TPS51225EVM-133
TIME 40 µs/Div
TPS5 1225CEVM-133
5 V
Output Transient
from DCM to CCM
OUT
Test Condition:
12 V , 5 V/0 A-5 A, 3.3 V/0 A
IN
CH1: 5 V
Output
OUT
CH2: 5 V
Current
OUT
TIME 40 µs/Div
TPS5 1225CEVM-133
5 V
Output Transient
from
to
OUT
CCM
DCM
Test Condition:
12 V , 5 V/0 A-5 A, 3.3 V/0 A
IN
CH1: 5 V
Output
OUT
CH2: 5 V
Current
OUT
TIME 400 ns/Div
TP5 1225 EVM-133
5 V
Switching Node
OUT
Test Condition:
12 V , 5 V/10 A, 3.3 V/0 A
IN
CH1: SW1
TIME 200 ns/Div
TPS5 1225 EVM-133
3.3 V
Switching Node
OUT
Test Condition:
12 V , 5 V/0 A, 3.3 V/10 A
IN
CH1: SW2
Performance Data and Typical Characteristic Curves
7.7
Switching Node
Figure 12. 5-V Switching Node
Figure 13. 3.3-V Switching Node
7.8
5-V Output Transient with Auto-skip Mode
Figure 14. 5-V Output Transient from DCM to CCM
Figure 15. 5-V Output Transient from CCM to DCM
12
Dual Synchronous Step-Down Fixed Output Controller with 5-V and 3.3-V
SLVU735 – June 2012
LDOs
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