参数资料
| 型号： | ADP3211AMNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/32页 |
| 文件大小： | 0K |
| 描述： | IC CTLR BUCK 7BIT 2PHASE 32QFN |
| 标准包装： | 1 |
| 应用： | 控制器，用于下一代 Intel 处理器的电源 |
| 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： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN（5x5） |
| 包装： | 标准包装 |
| 其它名称： | ADP3211AMNR2GOSDKR |
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ADP3211, ADP3211A
ELECTRICAL CHARACTERISTICS (V CC = PV CC = 5.0 V, FBRTN = GND = PGND = 0 V, H = 5.0 V, L = 0 V, V VID = V DAC = 1.2 V,
T A = ? 40 ° C to 100 ° C, unless otherwise noted. (Note 1) Current entering a pin (sunk by the device) has a positive sign.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
VOLTAGE MONITORING and PROTECTION ? Power Good
PWRGD Low Voltage
V PWRGD
I PWRGD(SINK) = 4 mA
75
200
mV
PWRGD High Leakage
Current
PWRGD Startup Delay
PWRGD Latchoff Delay
PWRGD Propagation Delay
(Note 2)
Crowbar Latchoff Delay
(Note 2)
PWRGD Masking Time
CSREF Soft ? Stop Resistance
I PWRGD
T SSPWRGD
T LOFFPWRGD
T PDPWRGD
T LOFFCB
T MSkPWRGD
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
EN = L or Latchoff condition
8.0
8.0
200
200
100
60
1.0
m A
ms
ms
ns
ns
m s
W
CURRENT CONTROL ? Current Sense Amplifi er (CSAMP)
CSFB, CSREF Common ? Mode Range
(Note 2)
Voltage range of interest
0
2.0
V
CSFB, CSREF Offset Voltage
V OSCSA
CSREF – CSSUM, T A = ? 40 ° C to 85 ° C
T A = 25 ° C
? 1.5
? 0.4
+1.5
+0.4
mV
CSFB Bias Current
CSREF Bias Current
CSCOMP Voltage Range
(Note 2)
I BCSFB
I BCSREF
Voltage range of interest
? 50
? 2.0
0.05
+50
2.0
2.0
nA
m A
V
CSCOMP Current
CSCOMP Slew Rate (Note 2)
Gain Bandwidth (Note 2)
I CSCOMPsource
I CSCOMPsink
GBW CSA
CSCOMP = 2.0 V
CSFB forced 200 mV below CSREF
CSFB forced 200 mV above CSREF
C CSCOMP = 10 pF, CSREF = V DAC ,
Open loop configuration
CSFB forced 200 mV below CSREF
CSFB forced 200 mV above CSREF
Non ? inverting unit gain configuration
R FB = 1 k W
? 650
1.0
10
? 10
20
m A
mA
V/ m s
MHz
CURRENT MONITORING AND PROTECTION ? Current Reference
I REF 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 = 4.5 k W
? 115
? 90
? 70
mV
Current Limit Latchoff Delay
Measured from OCP event to PWRGD
de ? assertion
8.0
ms
CURRENT MONITOR
Current Gain Accuracy
I MON /I LIM
Measured from I LIM to I MON
I LIM = ? 20 m A
I LIM = ? 10 m A
I LIM = ? 5 m A
9.5
9.4
9.0
10
10
10
10.6
10.8
11
I MON Clamp Voltage
V MAXMON
Relative to FBRTN, I LIM = ? 30 m A
R IMON = 8 k W
1.0
1.15
V
1. All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).
2. Guaranteed by design or bench characterization, not production tested.
http://onsemi.com
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADP3211MNR2G | 功能描述:DC/DC 开关控制器 IMVP6.5 BCK CTRL RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| ADP3211NMNR2G | 功能描述:DC/DC 开关控制器 IMVP6.5 BUCK CONTROLLER RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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