Datasheet U2008B (Atmel) - 6
| 制造商 | Atmel |
| 描述 | Low-cost Phase-control IC with Soft Start |
| 页数 / 页 | 15 / 6 — Absolute Maximum Ratings. Parameters. Symbol. Value. Unit. Phase Control … |
| 文件格式/大小 | PDF / 734 Kb |
| 文件语言 | 英语 |
Absolute Maximum Ratings. Parameters. Symbol. Value. Unit. Phase Control Pin 3. Load Current Monitoring/Soft Start, Pin 1
该数据表的模型线
文件文字版本
link to page 7
3. Absolute Maximum Ratings
Reference point pin 4, unless otherwise specified
Parameters Symbol Value Unit
Current limitation pin 5 –I 30 mA S t ≤ 10µs –i 100 mA S Synchronous currents pin 7 ±I 5 mA syncV t ≤ 10µs ±isyncV 20 mA
Phase Control Pin 3
Control voltage –VI VS to 0 V Input current ±II 500 mA Charge current pin 6 –Iϕmax 0.5 mA
Load Current Monitoring/Soft Start, Pin 1
Input current II 1 mA Input voltage VI -VS to +2 V Pulse output +V 2 V Input voltage pin 8 I –V V V I S Storage temperature range T –40 to +125 °C stg Junction temperature range T –10 to +125 °C j
4. Thermal Resistance Parameters Symbol Value Unit
DIP8 RthJA 110 K/W Junction ambient SO8 on p.c. RthJA 220 K/W So8 on ceramic RthJA 140 K/W
5. Electrical Characteristics
VS = –13V, Tamb = 25°C, reference point pin 4, unless otherwise specified
Parameters Test Conditions Symbol Min. Typ. Max. Unit Supply (Pin 5)
–I –V 14.5 16.5 V Supply-voltage limitation S = 3.5mA S –IS = 30mA –VS 14.6 16.8 V Current requirement Pins 1, 4 and 7 open –IS 3.0 mA
Voltage Monitoring (Pin 5)
Turn-on threshold –VTON 11.3 12.3 V
Phase Control
Voltage sync. pin 7 ±I 0.15 2 mA Input current syncV Current sync. pin 8 ±I 3 30 µA syncI Voltage limitation ±I = 2mA pin 7 ±V 8.0 8.5 9.0 V L syncV
Reference Ramp (see Figure 5-1 on page 7 )
Charge current Pin 7 Iϕ 1 100 µA Start voltage Pin 2 –V 1.85 1.95 2.05 V max
6 Atmel U2008B
4712D–AUTO–03/11 Document Outline Features Applications 1. Description 2. Pin Configuration 2.1 Mains Supply, Pin 5 2.2 Voltage Monitoring 2.3 Phase Control, Pin 6 2.4 Automatic Retriggering 2.5 Current Synchronization, Pin 8 2.6 Voltage Synchronization with Mains Voltage Compensation, Pin 7 2.7 Load Current Detection, Pin 1 3. Absolute Maximum Ratings 4. Thermal Resistance 5. Electrical Characteristics 6. Ordering Information 7. Package Information 8. Revision History
3. Absolute Maximum Ratings
Reference point pin 4, unless otherwise specified
Parameters Symbol Value Unit
Current limitation pin 5 –I 30 mA S t ≤ 10µs –i 100 mA S Synchronous currents pin 7 ±I 5 mA syncV t ≤ 10µs ±isyncV 20 mA
Phase Control Pin 3
Control voltage –VI VS to 0 V Input current ±II 500 mA Charge current pin 6 –Iϕmax 0.5 mA
Load Current Monitoring/Soft Start, Pin 1
Input current II 1 mA Input voltage VI -VS to +2 V Pulse output +V 2 V Input voltage pin 8 I –V V V I S Storage temperature range T –40 to +125 °C stg Junction temperature range T –10 to +125 °C j
4. Thermal Resistance Parameters Symbol Value Unit
DIP8 RthJA 110 K/W Junction ambient SO8 on p.c. RthJA 220 K/W So8 on ceramic RthJA 140 K/W
5. Electrical Characteristics
VS = –13V, Tamb = 25°C, reference point pin 4, unless otherwise specified
Parameters Test Conditions Symbol Min. Typ. Max. Unit Supply (Pin 5)
–I –V 14.5 16.5 V Supply-voltage limitation S = 3.5mA S –IS = 30mA –VS 14.6 16.8 V Current requirement Pins 1, 4 and 7 open –IS 3.0 mA
Voltage Monitoring (Pin 5)
Turn-on threshold –VTON 11.3 12.3 V
Phase Control
Voltage sync. pin 7 ±I 0.15 2 mA Input current syncV Current sync. pin 8 ±I 3 30 µA syncI Voltage limitation ±I = 2mA pin 7 ±V 8.0 8.5 9.0 V L syncV
Reference Ramp (see Figure 5-1 on page 7 )
Charge current Pin 7 Iϕ 1 100 µA Start voltage Pin 2 –V 1.85 1.95 2.05 V max
6 Atmel U2008B
4712D–AUTO–03/11 Document Outline Features Applications 1. Description 2. Pin Configuration 2.1 Mains Supply, Pin 5 2.2 Voltage Monitoring 2.3 Phase Control, Pin 6 2.4 Automatic Retriggering 2.5 Current Synchronization, Pin 8 2.6 Voltage Synchronization with Mains Voltage Compensation, Pin 7 2.7 Load Current Detection, Pin 1 3. Absolute Maximum Ratings 4. Thermal Resistance 5. Electrical Characteristics 6. Ordering Information 7. Package Information 8. Revision History