参数资料
| 型号： | NCP5331FTR2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 7/36页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR BUCK 2PH PWM DRV 32LQFP |
| 产品变化通告： | Product Obsolescence 11/Feb/2009 |
| 标准包装： | 1 |
| 应用： | 控制器，AMD Athlon? |
| 输入电压： | 9 V ~ 14 V |
| 输出数： | 2 |
| 输出电压： | 5V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-LQFP |
| 供应商设备封装： | 32-LQFP（7x7） |
| 包装： | 剪切带 (CT) |
| 其它名称： | NCP5331FTR2OSCT |
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NCP5331
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 W , C COMP = 1.0 nF, C 5V(REF) = 0.1 m F, DAC Code 01110 (1.2 V),
C VCC = 1.0 m F, 0.25 V ≤ I LIM ≤ 1.0 V; unless otherwise noted)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Overcurrent Shutdown Timer (continued)
Overcurrent Shutdown Time
C OVC = 0.22 m F. Note 3.
65
120
230
ms
Internal Overvoltage Protection (OVP)
Overvoltage Threshold
LGND = 0 V, V FB = 0 V, CS REF = 0 V,
2.0
2.1
2.2
V
Increase CS REF until GL1 and GL2 switch High.
External Overvoltage Protection (CB OUT )
Overvoltage Positive Threshold
5 V SB = 5.0 V, LGND = 0 V, CS REF = 0 V,
2.0
2.1
2.2
V
Increase CS REF until CB OUT = High.
Overvoltage Negative Threshold
5 V SB = 5.0 V, LGND = 0 V, CS REF = 3.0 V,
0.8
0.9
1.0
V
Decrease CS REF until CB OUT = Low.
CB OUT Maximum Allowable
?
?
?
2.0
mA
Sink Current
CB OUT Low Voltage
6.6 k W Pull?Up to 13.2 V
?
?
0.4
V
GATE DRIVERS
High Voltage (AC)
Low Voltage (AC)
Rise Time GHx
Rise Time GLx
Fall Time GHx
Fall Time GLx
GHx to GLx Delay
GLx to GHx Delay
GATE Pull?Down
Measure V CCLx ? GLx or V CCHx ? GHx. Note 3.
Measure GLx or GHx. Note 3.
1.0 V < GHx < 8.0 V; V CCH = 10 V
1.0 V < GLx < 8.0 V; V CCLx = 10 V
8.0 V > GHx > 1.0 V; V CCH = 10 V
8.0 V > GLx > 1.0 V; V CCLx = 10 V
GHx < 2.0 V, GLx > 2.0 V
GLx < 2.0 V, GHx > 2.0 V
Force 100 m A into GATE with no power applied to
?
?
?
?
?
?
30
30
?
0
0
35
35
35
35
65
65
1.2
1.0
0.5
80
80
80
80
110
110
1.6
V
V
ns
ns
ns
ns
ns
ns
V
V CCH and V CCLx = 2.0 V.
Oscillator
Switching Frequency
Switching Frequency
Switching Frequency
R OSC Voltage
Phase Delay
R OSC = 32.4 k
R OSC = 63.4 k; Note 3.
R OSC = 16.2 k; Note 3.
?
?
255
110
450
?
165
300
150
600
1.0
180
345
190
750
?
195
kHz
kHz
kHz
V
deg
Adaptive Voltage Positioning
V DRP Output Voltage to
DAC OUT Offset
CS1 = CS2 = CS REF , V FB = COMP,
Measure V DRP ? COMP
6
mV
Maximum V DRP Voltage
10 mV ≤ (CS1 = CS2) ? CS REF ≤ 50 mV,
300
400
500
mV
V FB = COMP, Measure V DRP ? COMP
Current Sense Amp to V DRP
10 mV ≤ (CS1 = CS2) ? CS REF ≤ 50 mV
3.9
4.2
4.75
V/V
Gain
V FB = COMP, Measure V DRP ? COMP
3. Guaranteed by design. Not tested in production.
http://onsemi.com
7
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