参数资料
型号: NCP3218MNR2G
厂商: ON Semiconductor
文件页数: 6/35页
文件大小: 0K
描述: IC CTLR BUCK 7BIT 3PHASE 48QFN
标准包装: 2,500
应用: 控制器,Intel IMVP-6.5?
输入电压: 3.3 V ~ 22 V
输出数: 1
输出电压: 0.013 V ~ 1.5 V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-QFN(6x6)
包装: 带卷 (TR)
其它名称: NCP3218MNR2G-ND
NCP3218MNR2GOSTR
ADP3212, NCP3218, NCP3218G
ELECTRICAL CHARACTERISTICS
V CC = PV CC = 5.0 V, FBRTN = PGND = GND = 0 V, H = 5.0 V, L = 0 V, EN = VARFREQ = H, DPRSLP = L, PSI = 1.05 V,
V VID = V DAC = 1.2000 V, T A = ? 40 ° C to 100 ° C, unless otherwise noted. (Note 1) Current entering a pin (sink current) has a positiv e sign.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
VOLTAGE MONITORING and PROTECTION
POWER GOOD
CSREF Reverse Voltage
Threshold
PWRGD Low Voltage
V RVCSREF
V PWRGD
Relative to FBRTN, latchoff mode
CSREF is falling
CSREF is rising
I PWRGD(SINK) = 4 mA
? 370
? 300
? 75
85
? 10
250
mV
mV
PWRGD High, Leakage Current
PWRGD Startup Delay
PWRGD Latchoff Delay
PWRGD Propagation Delay
(Note 3)
Crowbar Latchoff Delay
(Note 2)
PWRGD Masking Time
CSREF Soft ? Stop Resistance
I PWRGD
T SSPWRGD
T LOFFPWRGD
T PDPWRGD
T LOFFCB
V PWRDG = 5.0 V
Measured from CLKEN neg edge to
PWRGD pos edge
Measured from Out ? off ? Good ? Window
event to Latchoff (switching stops)
Measured from Out ? off ? Good ? Window
event to PWRGD neg edge
Measured from Crowbar event to
latchoff (switching stops)
Triggered by any VID change or OCP
event
EN = L or latchoff condition
8.0
120
200
200
100
70
1.0
m A
ms
m s
ns
ns
m s
W
CURRENT CONTROL
CURRENT ? SENSE AMPLIFIER (CSAMP)
CSSUM, CSREF Common ? Mode
Range (Note 2)
Voltage range of interest
0
2.0
V
CSSUM, CSREF Offset Voltage
V OSCSA
CSREF – CSSUM , T A = ? 40 ° C to 85 ° C
? 1.2
+1.2
mV
CSSUM Bias Current
CSREF Bias Current
CSCOMP Voltage Range
(Note 2)
I BCSSUM
I BCSREF
Voltage range of interest
? 20
? 3.0
0.05
+20
+3.0
2.0
nA
m A
V
CSCOMP Current
I CSCOMPsource
CSCOMP = 2.0 V, CSSUM forced
200 mV below CSREF
? 750
m A
CSCOMP Slew Rate (Note 2)
I CSCOMPsink
CSSUM forced 200 mV above CSREF
C CSCOMP = 10 pF, CSREF = VDAC,
Open loop configuration
CSSUM forced 200 mV below CSREF
CSSUM forced 200 mV above CSREF
1.0
20
? 20
mA
V/ m s
Gain Bandwidth (Note 2)
GBW CSA
Non ? inverting unit gain configuration
R FB = 1 k W
20
MHz
CURRENT MONITORING and PROTECTION
CURRENT REFERENCE
IREF Voltage
V REF
R REF = 80 k W to set I REF = 20 m A
1.55
1.6
1.65
V
CURRENT LIMITER (OCP)
Current Limit (OCP) Threshold
V LIMTH
Measured from CSCOMP to CSREF,
R LIM = 1.5 k W ,
3 ? ph configuration, PSI = H
3 ? ph configuration, PSI = L
2 ? ph configuration, PSI = H
2 ? ph configuration, PSI = L
1 ? ph configuration
? 75
? 22
? 75
? 36
? 75
? 90
? 30
? 90
? 45
? 90
? 106
? 38
? 106
? 54
? 106
mV
Current Limit Latchoff Delay
Measured from OCP event to PWRGD
de ? assertion
120
m s
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
Guaranteed by design or bench characterization, not production tested.
Based on bench characterization data.
Timing is referenced to the 90% and 10% points, unless otherwise noted.
http://onsemi.com
6
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