參數(shù)資料
型號： NCP5331
廠商： ON SEMICONDUCTOR
英文描述： Two-Phase PWM Controller with Integrated Gate Drivers
中文描述： 兩相PWM控制器，帶有集成門極驅(qū)動器
文件頁數(shù)： 6/38頁
文件大小： 424K
代理商： NCP5331
NCP5331
http://onsemi.com
6
ELECTRICAL CHARACTERISTICS (continued)
(0
°
C < T
A
< 70
°
C; 0
°
C < T
J
< 125
°
C; 9.0 V < V
CCL
< 16 V; 9.0
V < V
CCH
< 20 V;
9.0 V < V
CCL1
= V
CCL2
< 14
V; C
GATE
= 3.3
nF, R
ROSC
= 32.4
k
, C
COMP
= 1.0
nF, C
5V(REF)
= 0.1
μ
F, DAC Code 01110 (1.2 V),
C
VCC
= 1.0
μ
F, 0.25 V
≤
I
LIM
≤
1.0 V; unless otherwise noted)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Voltage Identification DAC (continued)
-SEN Bias Current
LGND < 55 mV, All DAC Codes
40
80
120
μ
A
-SEN Offset from GND
-
-150
-
200
mV
Power Good Output
Internal Delay Time
-
175
290
425
μ
s
PWRGD Low Output Voltage
I
PGD
= 4.0 mA
-
250
400
mV
Output Leakage Current
V
PGD
= 5.5 V
-
0.1
2.0
μ
A
V
CORE
/CS
REF
Comparator
Threshold Voltage
Tolerance from DAC Setting
-15%
-12.5%
-10%
%
C
PGD
Charge Current
R
OSC
= 32.4 k
14.5
16
17.5
μ
A
C
PGD
Comparator Threshold
Voltage
-
2.8
3.0
3.2
V
C
PGD
External Delay Time
C
PGD
= 0.033
μ
F. Note 1.
4.8
6.0
7.8
ms
Voltage Feedback Error Amplifier
V
FB
Bias Current
0.7
V < V
FB
< 1.6
V. Note 2.
9.4
10.3
11.1
μ
A
COMP Source Current
COMP = 0.5
V to 2.0
V; V
FB
= 0.8
V
15
30
60
μ
A
COMP Sink Current
COMP = 0.5
V to 2.0
V; V
FB
= 1.5
V
15
30
60
μ
A
COMP Discharge Threshold
Voltage
-
0.20
0.33
0.40
V
Transconductance
-10
μ
A < I
COMP
< +10
μ
A
-
32
-
mmho
Output Impedance
-
-
2.5
-
M
Open Loop Dc Gain
Note 1.
60
90
-
dB
Unity Gain Bandwidth
C
COMP
= 0.01
μ
F
-
400
-
kHz
PSRR @ 1.0
kHz
-
-
70
-
dB
COMP Max Voltage
V
FB
= 0.8 V, COMP Open
4.1
4.4
-
V
COMP Min Voltage
V
FB
= 1.5 V, COMP Open
-
0.1
0.2
V
Hiccup Latch Discharge Current
-
4.0
7.5
13
μ
A
Hiccup Latch Charge/Discharge
Ratio
-
-
4.0
-
-
PWM Comparators
Minimum Pulse Width
CS1 = CS2 = CS
REF
-
235
280
ns
Channel Start-Up Offset
CS1 = CS2 = V
FB
= CS
REF
= 0
V;
Measure COMP when GHx switch High
0.45
0.60
0.80
V
Overcurrent Shutdown Timer
Overcurrent Shutdown Voltage
Threshold
-
2.8
3.0
3.2
V
C
OVC
Low Output Voltage
-
-
250
400
mV
C
OVC
Source Current
-
3.0
5.0
8.0
μ
A
1. Guaranteed by design. Not tested in production.
2. The V
FB
Bias Current changes with the value of R
OSC
per Figure 5.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCP5331/D 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two Phase PWM Controller with Integrated Gate Drivers
NCP5331_05 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase PWM Controller with Integrated Gate Drivers
NCP5331FTR2 功能描述:DC/DC 開關(guān)控制器 2 Phase Buck w/Gate RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
NCP5331FTR2G 功能描述:DC/DC 開關(guān)控制器 2 Phase Buck w/Gate Drivers for Athlon RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
NCP5332A 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Two-Phase Buck Controller with Integrated Gate Drivers and 5-Bit DAC
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