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NCP5220AMNR2

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
NCP5220A
http://onsemi.com
7
TYPICAL OPERATING CHARACTERISTICS
I
VTT
, OUTPUT LOAD CURRENT (A)
DVTT, OUTPUT VOLTAGE (VDDQ/2 mV)
0 20406080
T
A
, AMBIENT TEMPERATURE (°C)
SWITCHING FREQUENCY (kHz)
31.4
31.6
31.8
32.0
32.2
32.4
32.6
32.8
0 20406080
T
A
, AMBIENT TEMPERATURE (°C)
DVTT, SINK CURRENT LOAD REGULATION (mVp−p)
1.187
1.188
1.189
1.190
1.191
1.192
1.193
1.194
1.195
1.196
−24
−23
−22
−21
−20
−19
Figure 3. VFBQ Feedback Voltage vs. Ambient
Temperature
0.795
0.797
0.799
0.801
0.803
0.805
0.807
0.809
200
250
300
350
400
450
500
550
−30
−20
−10
0
10
20
30
40
−2.5 −1.5 −0.5 0.5 1.5 2.5
Figure 4. Oscillation Frequency in S0/S3 vs.
Ambient Temperature
Figure 5. VFB1P5 Feedback Voltage vs. Ambient
Temperature
Figure 6. VTT Sink Current Load Regulation
vs. Ambient Temperature
Figure 7. VTT Source Current Load Regulation vs.
Ambient Temperature
Figure 8. VTT Output Voltage vs. Load Current
0 20406080
T
A
, AMBIENT TEMPERATURE (°C)
VFBQ, FEEDBACK VOLTAGE (V)
0 20406080
T
A
, AMBIENT TEMPERATURE (°C)
VFB1P5, FEEDBACK VOLTAGE (V)
0 20406080
T
A
, AMBIENT TEMPERATURE (°C)
DVTT, SOURCE CURRENT LOAD REGULATION (mVp−p)
33.0
33.2
S3 Mode
S0 Mode
2 A Sinking Current
with 10 ms period and
1 ms pulse width
2 A Sourcing Current
with 10 ms period and
1 ms pulse width
Sourcing/Sinking Current
with 10 ms period and
1 ms pulse width
NCP5220A
http://onsemi.com
8
Channel 1: VDDQ output voltage, 1.0 V/div
Channel 2: VTT output voltage, 1.0 V/div
Channel 3: V1P5 output voltage, 1.0 V/div
Time base: 4.0 ms/div
Channel 1: SLP_S3 pin voltage, 5.0 V/div
Channel 2: VDDQ output voltage, AC−coupled, 20 mV/div
Channel 3: VTT output voltage, AC−coupled, 100 mV/div
Channel 4: V1P5 output voltage, 50 mV/div
Time base: 10 ms/div
Figure 9. Power−up Sequence
Figure 10. S0−S3−S0 Transition
Channel 1: SLP_S5 pin voltage, 5.0 V/div
Channel 2: VDDQ output voltage, 2.0 V/div
Channel 3: VTT output voltage, 1.0 V/div
Channel 4: V1P5 output voltage, 1.0 V/div
Time base: 10 ms/div
Figure 11. S0−S5−S0 Transition
Channel 1: Current sourced out of VTT, 2.0 A/div
Channel 2: VDDQ output voltage, AC−coupled, 100 mV/div
Channel 3: VTT output voltage, AC−coupled, 20 mV/div
Channel 4: V1P5 output voltage, AC−coupled, 100 mV/div
Time base: 200 ms/div
Figure 12. V
TT
Source Current Transient,
0A−2A−0A
TYPICAL OPERATING WAVEFORMS
500 mA
Applied to
VDDQ
417 mA
Applied to
VTT
288 mA
Applied to
V1P5
NCP5220A
http://onsemi.com
9
TYPICAL OPERATING WAVEFORMS
Channel 1: Current sunk into of VTT, 2.0 A/div
Channel 2: VDDQ output voltage, AC−coupled, 100 mV/div
Channel 3: VTT output voltage, AC−coupled, 20 mV/div
Channel 4: V1P5 output voltage, AC−coupled, 100 mV/div
Time base: 200 ms/div
Channel 1: Current sourced into of V1P5, 10 A/div
Channel 2: VDDQ output voltage, AC−coupled, 100 mV/div
Channel 3: VTT output voltage, AC−coupled, 50 mV/div
Channel 4: V1P5 output voltage, AC−coupled, 100 mV/div
Time base: 1.0 ms/div
Channel 1: Current sourced into of VDDQ, 10 A/div
Channel 2: VDDQ output voltage, AC−coupled, 100 mV/div
Channel 3: VTT output voltage, AC−coupled, 50 mV/div
Channel 4: V1P5 output voltage, AC−coupled, 100 mV/div
Time base: 1.0 ms/div
Channel 1: Current sourced into of VDDQ, 2.0 A/div
Channel 2: VDDQ output voltage, AC−coupled, 50 mV/div
Time base: 200 ms/div
Figure 13. V
TT
Sink Current Transient, 0A−2A−0A Figure 14. V
1P5
Source Current Transient,
0A−12A−0A
Figure 15. V
DDQ
Source Current Transient,
0A−20A−0A
Figure 16. S3 Mode without 12VATX, 0A−2A−0A
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

NCP5220AMNR2

Mfr. #:
Buy NCP5220AMNR2
Manufacturer:
ON Semiconductor
Description:
IC REG CTRLR DDR 2OUT 20QFN
Lifecycle:
New from this manufacturer.
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