參數(shù)資料
型號(hào)： 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(yè)數(shù)： 7/38頁(yè)
文件大?。?/td> 424K
代理商： NCP5331FTR2
NCP5331
http://onsemi.com
7
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
Overcurrent Shutdown Timer (continued)
Overcurrent Shutdown Time
C
OVC
= 0.22
μ
F. Note 3.
65
120
230
ms
Internal Overvoltage Protection (OVP)
Overvoltage Threshold
LGND = 0 V, V
FB
= 0 V, CS
REF
= 0 V,
Increase CS
REF
until GL1 and GL2 switch High.
2.0
2.1
2.2
V
External Overvoltage Protection (CB
OUT
)
Overvoltage Positive Threshold
5 V
SB
= 5.0 V, LGND = 0 V, CS
REF
= 0 V,
Increase CS
REF
until CB
OUT
= High.
2.0
2.1
2.2
V
Overvoltage Negative Threshold
5 V
SB
= 5.0 V, LGND = 0 V, CS
REF
= 3.0 V,
Decrease CS
REF
until CB
OUT
= Low.
0.8
0.9
1.0
V
CB
OUT
Maximum Allowable
Sink Current
-
-
-
2.0
mA
CB
OUT
Low Voltage
6.6 k
Pull-Up to 13.2 V
-
-
0.4
V
GATE DRIVERS
High Voltage (AC)
Measure V
CCLx
- GLx or V
CCHx
- GHx. Note 3.
-
0
1.0
V
Low Voltage (AC)
Measure GLx
or
GHx. Note 3.
-
0
0.5
V
Rise Time GHx
1.0 V < GHx < 8.0 V; V
CCH
= 10 V
-
35
80
ns
Rise Time GLx
1.0 V < GLx < 8.0 V; V
CCLx
= 10 V
-
35
80
ns
Fall Time GHx
8.0 V > GHx > 1.0 V; V
CCH
= 10 V
-
35
80
ns
Fall Time GLx
8.0 V > GLx > 1.0 V; V
CCLx
= 10 V
-
35
80
ns
GHx to GLx Delay
GHx < 2.0 V, GLx > 2.0 V
30
65
110
ns
GLx to GHx Delay
GLx < 2.0 V, GHx > 2.0 V
30
65
110
ns
GATE Pull-Down
Force 100
μ
A into GATE with no power applied to
V
CCH
and V
CCLx
= 2.0 V.
-
1.2
1.6
V
Oscillator
Switching Frequency
R
OSC
= 32.4 k
255
300
345
kHz
Switching Frequency
R
OSC
= 63.4 k; Note 3.
110
150
190
kHz
Switching Frequency
R
OSC
= 16.2 k; Note 3.
450
600
750
kHz
R
OSC
Voltage
-
-
1.0
-
V
Phase Delay
-
165
180
195
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,
V
FB
= COMP, Measure V
DRP
- COMP
300
400
500
mV
Current Sense Amp to V
DRP
Gain
10 mV
≤
(CS1 = CS2) - CS
REF
≤
50 mV
V
FB
= COMP, Measure V
DRP
- COMP
3.9
4.2
4.75
V/V
3. Guaranteed by design. Not tested in production.
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