參數(shù)資料
型號(hào)： NCP5214A
廠商： ON SEMICONDUCTOR
英文描述： 2−in−1 Notebook DDR Power Controller
文件頁(yè)數(shù)： 6/31頁(yè)
文件大?。?/td> 376K
代理商： NCP5214A
NCP5214A
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS
(V
IN
= 12 V, T
A
= 40 to 85 C, V
CCA
= V
CCP
= V
BOOST
V
SWDDQ
= 5.0 V, L = 1.8 H,
C
OUT1
= 150 F x 2, C
OUT2
= 22 F x 2, RL1 = 5.6 k , R1 = 4.3 k , R2 = 3.3 k , RZ1 = 10 k , RZ2 = 130 , CP1 = 100 pF, CZ1 = 2.2 nF,
CZ2 = 4.7 nF, for min/max values unless otherwise noted. Typical values are at T
A
= 25 C.)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
SUPPLY VOLTAGE
Input Voltage
V
IN
4.5
24
V
V
CCA
Operating Voltage
V
CCA
4.5
5.0
5.5
V
V
CCP
Operating Voltage
V
CCP
4.5
5.0
5.5
V
SUPPLY CURRENT
V
CCA
Quiescent Supply Current in S0
I
VCCA_S0
V
DDQEN
= 5.0 V, V
TTEN
= 5.0 V
3.5
10
mA
V
CCA
Quiescent Supply Current in S3
I
VCCA_S3
V
DDQEN
= 5.0 V, V
TTEN
= 0 V
0.9
5.0
mA
V
CCA
Shutdown Current
I
VCCA_SD
V
DDQEN
= 0 V, V
TTEN
= 0 V,
T
A
= 25
°
C
1.0
4.0
A
V
CCP
Quiescent Supply Current in S0
I
VCCP_S0
V
DDQEN
= 5.0 V, V
TTEN
= 5.0 V,
20
mA
V
CCP
Quiescent Supply Current in S3
I
VCCP_S3
V
DDQEN
= 5.0 V, V
TTEN
= 0 V,
TGDDQ and BGDDQ Open
20
mA
V
CCP
Shutdown Current
I
VCCP_SD
V
DDQEN
= 0 V, V
TTEN
= 0 V
1.0
2.0
A
UNDERVOLTAGE MONITOR
V
CCA
UVLO Lower Threshold
V
CCAUV
Falling Edge
3.7
4.1
V
V
CCA
UVLO Hysteresis
V
CCAUVHYS
0.35
V
V
OCDDQ
UVLO Upper Threshold
V
OCDDQUV+
Rising Edge
3.0
4.4
V
V
OCDDQ
UVLO Hysteresis
V
OCDDQUVHYS
0.4
V
THERMAL SHUTDOWN
Thermal Trip Point
T
SD
(Note 4)
150
C
Hysteresis
T
SDHYS
(Note 4)
25
C
V
DDQ
SWITCHING REGULATOR
FBDDQ Feedback Voltage, Control Loop in
Regulation
V
FBDDQ
T
= 25
°
C
T
A
= 40 to 85
°
C
0.788
0.784
0.8
0.8
0.812
0.816
V
Feedback Input Current
I
fb
V
FBDDQ
= 0.8 V
1.0
A
Oscillator Frequency
F
SW
340
400
460
kHz
Ramp Amplitude Voltage
V
ramp
V
IN
= 5.0 V (Note 4)
1.25
V
Ramp Amplitude to V
IN
Ratio
dVRAMP/dVIN
45
mV/V
OCDDQ Pin Current Sink
I
OC
V
OCDDQ
= 4.0 V
26
31
36
A
OCDDQ Pin Current Sink
Temperature Coefficient
TC
IOC
T
A
= 40 to 85
°
C
3200
ppm/
C
Minimum On Time
t
onmin
150
ns
Maximum Duty Cycle
D
max
V
IN
= 5.0 V
V
IN
= 15 V
V
IN
= 24 V
90
50
32
%
SoftStart Current
I
ss
V
DDQEN
= 5.0 V, Vss = 0 V
2.8
4.0
5.2
A
Overvoltage Trip Threshold
FBOVPth
With Respect to Error
Comparator Threshold of 0.8 V
115
130
%
Undervoltage Trip Threshold
FBUVPth
With Respect to Error
Comparator Threshold of 0.8 V
65
75
%
4. Guaranteed by design, not tested in production.
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