參數(shù)資料
型號： NCP5220MNR2
廠商： ON SEMICONDUCTOR
元件分類： 穩(wěn)壓器
英文描述： 3−in−1 PWM Dual Buck and Linear Power Controller
中文描述： 2 A SWITCHING CONTROLLER, 566 kHz SWITCHING FREQ-MAX, DSO20
封裝： 6 X 5 MM, DFN-20
文件頁數(shù)： 5/18頁
文件大?。?/td> 182K
代理商： NCP5220MNR2
NCP5220
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS
(5VDUAL = 5.0 V, BOOT = 12 V, T
A
= 0
°
C to 70
°
C, L = 1.7 H, COUT1 = 3770 F,
COUT2 = 470 F, COUT3 = NA, CSS = 33 nF, R1 = 2.166 k , R2 = 2.0 k , RZ1 = 20 k , RZ2 = 8.0 , CP1 = 10 nF,
CZ1 = 6.8 nF, CZ2 = 100 nF, RM1 = 2.166 k , RM2 = 2.0 k , RZM1 = 20 k , RZM2 = 8.0 , CPM1 = 10 nF, CZM1 = 6.8 nF,
CZM2 = 100 nf for min/max values unless otherwise noted). Duplicate component values of MCH regulator from DDQ.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
SUPPLY VOLTAGE
5VDUAL Operating Voltage
V5VDUAL
4.5
5.0
5.5
V
BOOT Operating Voltage
VBOOT
12.0
13.2
V
SUPPLY CURRENT
S0 Mode Supply Current from 5VDUAL
I5VDL_S0
SLP_S5 = HIGH, SLP_S3 = HIGH,
BOOT = 12 V, TG_1P5 and BG_1P5
Open
10
mA
S3 Mode Supply Current from 5VDUAL
I5VDL_S3
SLP_S5 = HIGH, SLP_S3 = LOW,
TG_1P5 and BG_1P5 Open
5.0
mA
S5 Mode Supply Current from 5VDUAL
I5VDL_S5
SLP_S5 = LOW, BOOT = 0 V,
TG_1P5 and BG_1P5 Open
1.0
mA
S0 Mode Supply Current from BOOT
IBOOT_S0
SLP_S5 = HIGH, SLP_S3 = HIGH,
BOOT = 12 V, TG_1P5 and BG_1P5
Open
25
mA
S3 Mode Supply Current from BOOT
IBOOT_S3
SLP_S5 = HIGH, SLP_S3 = LOW,
TG_1P5 and BG_1P5 Open
25
mA
UNDERVOLTAGEMONITOR
5VDUAL UVLO Upper Threshold
V5VDLUV+
4.4
V
5VDUAL UVLO Hysteresis
V5VDLhys
250
400
550
mV
BOOT UVLO Upper Threshold
VBOOTUV+
10.4
V
BOOT UVLO Hysteresis
VBOOThys
1.0
V
THERMAL SHUTDOWN
Thermal Shutdown
Tsd
(Note 3)
145
°
C
Thermal Shutdown Hysteresis
Tsdhys
(Note 3)
25
°
C
DDQ SWITCHING REGULATOR
FBDDQ Feedback Voltage, Control Loop in
Regulation
VFBQ
T
A
= 25
°
C
T
A
= 0
°
C to 70
°
C
1.178
1.166
1.190
1.202
1.214
V
Feedback Input Current
IDDQFB
V(FBDDQ) = 1.3 V
1.0
A
Oscillator Frequency in S0 Mode
FDDQS0
217
250
283
KHz
Oscillator Frequency in S3 Mode
FDDQS3
434
500
566
KHz
Oscillator Ramp Amplitude
dVOSC
(Note 3)
1.3
Vpp
Current Limit Blanking Time in S0 Mode
TDDQbk
(Note 3)
400
nS
Current Limit Threshold Offset from 5VDUAL
VOCP
(Note 3)
0.8
V
Minimum Duty Cycle
Dmin
0
%
Maximum Duty Cycle
Dmax
100
%
SoftStart Pin Current for DDQ
Iss1
V(SS) = 0.5 V
4.0
A
DDQ ERROR AMPLIFIER
DC Gain
GAINDDQ
(Note 3)
70
dB
GainBandwidth Product
GBWDDQ
COMP PIN to GND = 220 nF,
1.0 in Series (Note 3)
12
MHz
Slew Rate
SRDDQ
COMP PIN TO GND = 10 pF
8.0
V/uS
3. Guaranteed by design, not tested in production.
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