参数资料
型号: NCP5217AMNTXG
厂商: ON Semiconductor
文件页数: 6/16页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 14-QFN
标准包装: 3,000
PWM 型: 电流/电压模式
输出数: 1
频率 - 最大: 330kHz
电源电压: 4.5 V ~ 27 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 14-VFQFN 裸露焊盘
包装: 带卷 (TR)
其它名称: NCP5217AMNTXG-ND
NCP5217AMNTXGOSTR
NCP5217A
ELECTRICAL CHARACTERISTICS (V IN = 12 V, V CC = 5 V, T A = ? 40 ° C to 85 ° C, unless other noted)
Characteristics
Symbol
Test Conditions
Min
Typ
Max
Unit
GATE DRIVERS
DH Source Current
DH Sink Current
DL Source Current
DL Sink Current
Dead Time
Negative Current Detection
Threshold
SWN source leakage
Internal Resistor from DH to
SWN
Isource_DH
Isink_DH
Isource_DL
Isink_DL
TD_LH
TD_HL
NCD_TH
ISWN_SD
R_DH_SWN
(Note 2)
(Note 2)
(Note 2)
(Note 2)
DL ? off to DH ? on (Note 2)
DH ? off to DL ? on (Note 2)
SWN ? PGND, at EN_SKIP = 5 V
EN_SKIP = 0 V
(Note 2)
1
1.7
1.3
3.3
20
20
? 1
100
1
A
A
A
A
ns
mV
uA
k W
CONTROL SECTION
EN_SKIP Logic Input Voltage
for Disable
EN_SKIP Logic Input Voltage
for FPWM
EN_SKIP Logic Input Voltage
for Skip Mode
VEN_Disable
VEN_FPWM
VEN_SKIP
Set as Disable
Hysteresis
Set as FCCM mode
Set as SKIP Mode
Hysteresis
0.7
150
1.7
2.35
100
1.0
200
1.95
2.6
175
1.3
250
2.25
2.85
250
V
mV
V
V
mV
EN_SKIP Source Current
EN_SKIP Sink Current
PGOOD Pin ON Resistance
PGOOD Pin OFF Current
IEN_SOURCE
IEN_SINK
PGOOD_R
PGOOD_LK
VEN_SKIP = 0 V
VEN_SKIP = 5 V
I_PGOOD = 5 mA
100
0.1
0.1
1
m A
m A
W
m A
OUTPUT DISCHARGE MODE
Output Discharge
On ? Resistance
Threshold for Discharge Off
Rdischarge
Vth_DisOff
EN = 0 V
0.2
20
0.3
35
0.4
W
V
TRE SETTING
TRE Threshold Detection
Current
I_TRESET
Source from DL in the short period before
soft ? start. (Rtre = 47 k W is connected from
DL to GND
7.2
8
8.8
m A
Detection Voltage for TRE
Threshold Selection
VDL_TRE_1
(Default)
Internal TRE_TH is
set to 300 mV
Rtre w 75 k W
(Note 2)
500
600
700
mV
VDL_TRE_2
VDL_TRE_3
Internal TRE_TH is
set to 500 mV
TRE is Disabled
Rtre = 44 ~ 50 k W
(Note 2)
Rtre v 25 k W
(Note 2)
300
0
450
250
TRE Comparator Offset
Propagation Delay of TRE
Comparator
TRE_OS
TD_PWM
(Note 2)
(Note 2)
10
20
mV
ns
THERMAL SHUTDOWN
Thermal Shutdown
Thermal Shutdown Hysteresis
Tsd
Tsdhys
(Note 2)
(Note 2)
150
25
° C
° C
2. Guaranteed by design, not tested in production.
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