Datasheet > U2008B_07

U2008B_07

更新时间： 2022-12-19 07:16:15

品牌	Logo	应用领域
爱特美尔 - ATMEL		软启动
页数	文件大小	规格书
13页	332K
描述
Low-cost Phase-control IC with Soft Start

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U2008B_07 数据手册

U2008B

5. Electrical Characteristics (Continued)

Parameters

Test Conditions

Symbol

-TC_R

Min.

Typ.

-0.003

1.02

Max.

Unit

%/K

Temperature coefficient of start

voltage

Pin 2

R_ϕ- reference voltage

I_ϕ= 10 µA, Pins 6 to 5

V_Rϕ

0.96

1.10

150

I_ϕ= 10 µA, Pin 6

I_ϕ= 1 µA

TC_VRϕ

0.03

0.06

%/K

Temperature coefficient

Pulse Output (see Figure 5-2 on page 8) (Pin 8)

Output-pulse current

Output-pulse width

V₈= -1.2, R_GT= 0 Ω

I₀

t_p

100

125

µs

C₃= 3.3 nF, V_S= V_limit

Automatic Retriggering (Pin 8)

Turn-on threshold voltage

Repetition rate

±V_ION

t_pp

t_p

I₇≥ 150 µA

7.5

Soft Start (see Figure 5-4 on page 8) (Pin 1)

Starting current

Final current

V_1–4= 8 V

I₀

µA

V_1–4= -2 V

0.5

0.2

Discharge current

Output current

-I₀

Pin 3

Mains Voltage Compensation (see Figure 5-5 on page 9)

Pins 7, Pin 3

Current transfer gain I₇/I₃

G_i

Pins 1 and 2 open

Reverse current

V_(R6)= V₃= V₇= 0, Pin 3

±I_R

µA

Load-current Detection, V₇= 0 (see Figure 5-7 on page 9)

Transfer gain

I₃/V₁

I₀

0.28

0.32

0.37

µA/mV

µA

Offset current

Input voltage

V₁= 0, V₃= -8 V, Pin 3

Pin 1

-V_I

±V₀

300

400

Input offset voltage

Figure 5-1. Ramp Control

250

200

6.8 nF 4.7 nF

3.3 nF

33 nF 10 nF

2.2 nF

150

100

C_ϕ/t = 1.5 nF

200

400

600

800

1000

R_ϕ(R₈) (kΩ)

4712C–AUTO–07/07

1...4 5 678 9 10...13

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