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參數(shù)資料
| 型號(hào)： | NCP5306 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Three−Phase VRM 9.0 Buck Controller |
| 文件頁數(shù)： | 6/24頁 |
| 文件大?。?/td> | 879K |
| 代理商： | NCP5306 |
NCP5306
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS (continued)
(0
°
C < T
A
< 70
°
C; 0
°
C < T
J
< 125
°
C; 9.5 V < V
CC
< 14 V; C
GATEx
= 100 pF,
C
COMP
= 0.01
μ
F, C
SS
= 0.1
μ
F, C
VCC
= 0.1
μ
F, R
ROSC
= 32.4 k
Ω
, V
OCSET
= 0.54 V, DAC Code 01110; unless otherwise stated.)
Parameter
Unit
Max
Typ
Min
Test Conditions
Gates
Rise Time
0.8 V < GATEx < 2.0 V,
V
CC
= 10 V
5.0
20
ns
Fall Time
2.0 V > GATEx > 0.8 V,
V
CC
= 10 V
5.0
20
ns
Oscillator
Switching Frequency
R
OSC
= 32.4 k
Ω
300
400
500
kHz
Switching Frequency
R
OSC
= 66.5 k
Ω,
Note 4
150
200
250
kHz
Switching Frequency
R
OSC
= 15.4 k
Ω,
Note 4
600
800
1000
kHz
R
OSC
Voltage
0.90
1.00
1.10
V
Phase Delay
105
120
140
deg
Adaptive Voltage Positioning
V
DRP
Output Voltage to
DAC
OUT
Offset
CSx = CS
REF
, V
FB
= COMP,
Measure V
DRP
COMP
5.0
0
5.0
mV
Maximum V
DRP
Voltage
CSx
CS
REF
= 50 mV,
V
FB
= COMP, T
A
= 25
°
C,
Measure V
DRP
COMP
500
560
625
mV
Current Sense Input
to V
DRP
Gain
CSx
CS
REF
= 50 mV,
V
FB
= COMP, T
A
= 25
°
C,
Measure V
DRP
COMP
3.33
3.75
4.17
V/V
Temperature Coefficient
of V
DRP
Gain
(V@temp
V@room)
V@room
106
T
850
ppm/
°
C
V
DRP
Source Current Limit
CSx
CS
REF
= 50 mV,
V
FB
= COMP, Measure V
DRP
COMP V
DRP
= 1.5 V
1.0
7.0
14
mA
Soft Start
SS Source Current
V
CC
= 10 V
130
160
200
μ
A
SS Sink Current
V
CC
= 7.0 V
4.0
5.0
6.25
μ
A
SS Min Threshold
V
CC
= 10 V
0.25
0.3
0.35
V
SS Max Threshold
V
CC
= 10 V
2.4
2.7
V
SS Source/Sink Ratio
20
32
48
SS COMP Pull Down Current
V
CC
= 10 V
200
900
3000
μ
A
Current Sense Amplifiers
CS
REF
Input Bias Current
CS
REF
= CSx = 0 V
2.6
3.0
μ
A
CSx Input Bias Current
CS
REF
= CSx = 0 V
0.1
1.0
μ
A
Sense Amp Gain
CS
REF
= 0 V, CSx = 0.05 V,
Measure V(COMP) when GATEx
switches high
2.60
V/V
Common Mode Input Range
Note 4
0
2.0
V
Bandwidth
7.0
MHz
Single Phase Pulse by Pulse
Current Limit
V
FB
= CS
REF
= 1.5 V, COMP =
2.0 V, Measure CSx
CS
REF
when GATEx goes low
75
85
100
mV
4. Guaranteed by design. Not tested in production.
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