参数资料
| 型号： | NCP5215MNR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/21页 |
| 文件大小： | 0K |
| 描述： | IC CTLR SYNC BUCK DUAL 40-QFN |
| 产品变化通告： | Product Discontinuation 01/Oct/2008 |
| 标准包装： | 2,500 |
| 应用： | 控制器，笔记本电脑电源系统 |
| 输入电压： | 4.5 V ~ 24 V |
| 输出数： | 2 |
| 输出电压： | 0.8 V ~ 3 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘 |
| 供应商设备封装： | 40-QFN（6x6） |
| 包装： | 带卷 (TR) |
NCP5215
ELECTRICAL CHARACTERISTICS (V CC = 5.0 V, V IN = 12 V, F SET = 5.0 V, Fsw = 300 kHz, T A = ? 40 ° C to 85 ° C, unless otherwise
noted.)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
SUPPLY VOLTAGE
Input Voltage
V CC Operating Voltage
V CCP1 Operating Voltage
V CCP2 Operating Voltage
Vin
V CC
V CCP1
V CCP2
?
?
?
?
4.5
4.5
4.5
4.5
?
5.0
5.0
5.0
24
5.5
5.5
5.5
V
V
V
V
SUPPLY CURRENT
V CC Quiescent Supply Current in Normal
Operation
V CC Quiescent Supply Current in
Power ? Saving Operation
V CC Shutdown Current
V CCP Quiescent Supply Current in Normal
Operation
V CCP Shutdown Current
BST Quiescent Supply Current in Normal
Operation
BST Shutdown Current
I VCC_N
I VCC_PS
I VCC_SD
I VCCP1_N ,
I VCCP2_N
I VCCP1_SD ,
I VCCP2_SD
I BST1_N , I BST2_N
I BST1_SD ,
I BST2_SD
VEN1 = VEN2 = 5.0 V,
VFPWM# = 0 V TG1, BG1, TG2,
and BG2 are open
VEN1 = VEN2 = 5.0 V,
VFPWM# = 5.0 V TG1, BG1,
TG2, and BG2 are open
VEN1 = VEN2 = 0 V
VEN1 = VEN2 = 5.0 V,
VFPWM# = 0 V TG1, BG1, TG2,
and BG2 are open
VEN1 = VEN2 = 0 V
VEN1 = VEN2 = 5.0 V,
VFPWM# = 0 V TG1, BG1, TG2,
and BG2 are open
VEN1 = VEN2 = 0 V
?
?
?
?
?
?
?
3.0
3.0
?
1.2
?
1.0
?
6.0
6.0
10
2.0
10
2.0
5.0
mA
mA
m A
mA
m A
mA
m A
VOLTAGE ? MONITOR
V CC Start Threshold
V CC UVLO Hysteresis
Power Good Higher Threshold
Power Good Lower Threshold
Output Overvoltage Trip Threshold
VCC UV+
VCC hys
VPGH
VPGL
FBOVPth
V CC and V CCP are connected to
the same voltage source
?
With Respect to Error Comparator
Threshold of 0.8 V
With Respect to Error Comparator
Threshold of 0.8 V
With respect to Error Comparator
4.05
200
?
?
113
4.25
275
112
88
117
4.48
400
?
?
121
V
mV
%
%
%
Threshold of 0.8 V
Overvoltage Fault Propagation Delay
Output Undervoltage Trip Threshold
?
FBUVPth
FB forced 2% above trip threshold
With respect to Error Comparator
?
63
1.5
68
?
73
m s
%
Threshold of 0.8 V
Output Undervoltage Protection Blanking
Time
UVPT blk
(Note 3)
?
16/fsw
?
s
VREF OUTPUT
Reference Voltage
V ref
T A = 25 ° C
0.796
0.8
0.804
V
T A = ? 40 to 85 ° C
0.792
?
0.808
Reference Load Regulation
Sinking Current
D V ref
Isink_VREF
Ivref = 0 to 100 m A
Vref rises 10%
?
20
?
?
4.0
?
mV
m A
CURRENT LIMIT
Current Limit Threshold
ILIM Setting Range
V ((CS+) ? (CS ? ))
Range ILIM
V ILIM = 0.4 V
(Note 3)
72
?
80
?
88
0.8
mV
V
3. Guaranteed by design, not tested in production.
http://onsemi.com
5
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