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參數(shù)資料
| 型號： | NCP5331FTR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Two-Phase PWM Controller with Integrated Gate Drivers |
| 中文描述： | 1.5 A SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PQFP32 |
| 封裝： | LQFP-32 |
| 文件頁數(shù)： | 8/38頁 |
| 文件大?。?/td> | 424K |
| 代理商： | NCP5331FTR2 |
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NCP5331
http://onsemi.com
8
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
Unit
Max
Typ
Min
Test Conditions
Current Sensing
CS1-CS2 Input Bias Current
CSx = CS
REF
= 0 V
-
0.1
0.5
μ
A
CS
REF
Input Bias Current
CSx - CS
REF
= 50 mV
-
0.35
1.5
μ
A
V
FFB
Pull-Up Resistor
-
80
110
145
k
Current Sense Amplifier Gain
CSx - CS
REF
= 40 mV
1.85
2.1
2.35
V/V
Current Sense Input to I
LIM
Gain
I
LIM
= 1.00 V
9.5
12
14
V/V
Current Limit Filter Slew Rate
-
4.0
7.0
13
mV/
μ
s
I
LIM
Operating Voltage Range
Note 4.
-
-
3.0
V
I
LIM
Bias Current
0 < I
LIM
< 1.0 V
-
0.1
1.0
μ
A
Current Sense Amplifier
Bandwidth
Note 4.
1.0
-
-
MHz
General Electrical Specifications
V
CCL
Operating Current
V
FB
= COMP (no switching)
-
22
26
mA
V
CCL1
or V
CCL2
Operating
Current
V
FB
= COMP (no switching)
-
5.0
10
mA
V
CCH
Operating Current
V
FB
= COMP (no switching)
-
6.4
9.0
mA
5 V
SB
Quiescent Current
CB
OUT
= Low
-
-
400
μ
A
V
CCL
Start Threshold
GATEs switching, COMP charging
8.1
8.5
8.9
V
V
CCL
Stop Threshold
GATEs stop switching, COMP discharging
5.75
6.15
6.55
V
V
CCL
Hysteresis
GATEs not switching, COMP not charging
2.05
2.35
2.65
V
V
CCH
Start Threshold
GATEs switching, COMP charging
8.1
8.5
8.9
V
V
CCH
Stop Threshold
GATEs stop switching, COMP discharging
6.35
6.75
7.15
V
V
CCH
Hysteresis
GATEs not switching, COMP not charging
1.45
1.75
2.05
V
Reference Output
5 V
REF
Output Voltage
0
mA < I(5 V
REF
) < 1.0
mA
4.85
5.0
5.15
V
Internal Ramp
Ramp Height @ 50% PWM
Duty Cycle
CS1 = CS2 = CS
REF
-
125
-
mV
4. Guaranteed by design. Not tested in production.
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| 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 安裝風格: 封裝 / 箱體:CPAK |
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| NCP5332ADWR2 | 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 安裝風格: 封裝 / 箱體:CPAK |
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