參數(shù)資料
型號(hào)： NCP1422MNR2
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： 800 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer
中文描述： 1.5 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO10
封裝： 3 X 3 MM, 0.50 MM PITCH, PLASTIC, DFN-10
文件頁(yè)數(shù)： 7/14頁(yè)
文件大?。?/td> 142K
代理商： NCP1422MNR2
NCP1422
http://onsemi.com
7
TYPICAL OPERATING CHARACTERISTICS
(V
IN
= 2.5 V, V
OUT
= 3.3 V, I
LOAD
= 50 mA; L = 5.6 H)
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at Lx pin, 1.0 V/Division
Figure 14. Discontinuous Conduction Mode
Switching Waveform
(V
IN
= 2.5 V, V
OUT
= 3.3 V, I
LOAD
= 500 mA; L = 5.6 H)
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at LX pin, 1.0 V/Division
Figure 15. Continuous Conduction Mode
Switching Waveform
Figure 16. Line Transient Response for V
OUT
= 3.3 V
Figure 17. Line Transient Response For V
OUT
= 5.0 V
(V
IN
= 1.5 V to 2.5 V; L = 5.6 H, C
OUT
= 22 F, I
LOAD
= 100 mA)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V
IN,
1.0 V/Division
(V
IN
= 1.5 V to 2.5 V; L = 5.6 H, C
OUT
= 22 F, I
LOAD
= 100 mA)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V
IN,
1.0 V/Division
Figure 18. Load Transient Response For V
IN
= 2.5 V
Figure 19. Load Transient Response For V
IN
= 3.0 V
(V
OUT
= 5.0 V, I
LOAD
= 100 mA to 800 mA; L = 5.6 H, C
OUT
= 22 F)
Upper Trace: Output Voltage Ripple, 500 mV/Division
Lower Trace: Load Current, I
LOAD
, 500 mA/Division
(V
OUT
= 3.3 V, I
LOAD
= 100 mA to 800 mA; L = 5.6 H, C
OUT
= 22 F)
Upper Trace: Output Voltage Ripple, 200 mV/Division
Lower Trace: Load Current, I
LOAD
, 500 mA/Division
相關(guān)PDF資料
PDF描述
NCP1422MNR2G 800 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer
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