ADM8845ACPZ-REEL7;ADM8845ACPZ-REEL;ADM8845EB-EVALZ;中文规格(6)

ADM8845

TYPICAL PERFORMANCE CHARACTERISTICS

35

30LED CURRENT (mA)

25

MATCHING ERROR (%)

04867-0-007

20

15

10

04867-0-004

54.75

6.75

10.758.75

RSET (k )

12.7514.75

2.6

3.03.4

3.84.24.6SUPPLY VOLTAGE (V)

5.05.4

Figure 3. ILED (mA) Current vs. RSET

20.3520.30

LED CURRENT (mA)

Figure 6. ILED (mA) Matching Error (%) vs. Supply Voltage (V),

TA = 25°C and ILED = 20 mA

LED CURRENT (mA)

20.2520.20

20.15

20.1020.0520.00

2.6

04867-0-005

–40

04867-0-00804867-0-009

3.1

4.13.64.6

SUPPLY VOLTAGE (V)

5.1

5.6

40

TEMPERATURE ( C)

80

Figure 4. ILED (mA) vs. Temperature (°C), Six LEDs Enabled

0.3

Figure 7. ILED (mA) Variation over Temperature (°C), VCC = 3.6 V

35

0.2

30

LED CURRENT (mA)

04867-0-006

0.1

25

% ERROR

20

–0.1

15

–0.2

10

–0.3

–40–20

04525

TEMPERATURE ( C)

6585

52.6

3.03.4

3.84.24.6SUPPLY VOLTAGE (V)

5.05.4

Figure 5. ILED Matching (%) over Temperature (°C), VCC = 3.6 V, ILED = 20 mA,

Six LEDs Enabled

Figure 8. ILED (mA) vs. Supply Voltage (V)

Rev. C | Page 6 of 20

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说教育文库ADM8845ACPZ-REEL7;ADM8845ACPZ-REEL;ADM8845EB-EVALZ;中文规格(6)在线全文阅读。