Datasheet > ADM8845ACPZ-WP2

ADM8845ACPZ-WP2

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		驱动器泵
页数	文件大小	规格书
20页	372K
描述
Charge Pump Driver for LCD White LED Backlights

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

ADM8845ACPZ-WP2 数据手册

ADM8845

100

DUTY CYCLE (%)

Figure 9. I_LED(mA) vs. PWM Dimming (Varying Duty Cycle),

Six LEDs Enabled, Frequency = 1 kHz

Figure 12. LED Efficiency vs. Varying Duty Cycle of 1 kHz PWM Signal,

Six LEDs Enabled, 20 mA/LED

300

CTRL1/2

250

200

150

100

20mA/LED

15mA/LED

CURRENT

OUT

2.6

3.0

3.4

3.8

4.2

4.6

5.0

5.4

CH1 2.00V

CH3 1.00V

CH2 160mA

M 5.00µs CH2

180mV

SUPPLY VOLTAGE (V)

Figure 10. Input Current vs. Supply Voltage,

Six LEDs Enabled

Figure 13. Soft Start Showing the Initial In-Rush Current and V_OUTVariation,

Six LEDs @ 20 mA/LED, V_CC= 3.6 V

OUT

CH1 20.0mV

CH2 20.0mV

M 400ns CH1

220mV

CH1 20.0mV

CH2 20.0mV

M 400ns CH1

220mV

Figure 11. 1.5× Mode Operating Waveforms

Figure 14 .2× Mode Operating Waveform

Rev. 0 | Page 7 of 20

1...4 5 678 9 10...20

下载PDF

与ADM8845ACPZ-WP2相关器件

型号	品牌	描述	获取价格	数据表
ADM8846	ADI	ADM8846	获取价格
ADM8846ACPZ	ADI	IC LED DISPLAY DRIVER, QCC16, LEAD FREE, MO-220VEED-2, LFCSP-16, Display Driver	获取价格
ADM8969ARW-REEL	ADI	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO16, MS-013AA, SOIC-16	获取价格
ADM9240	ADI	Low Cost Microprocessor System Hardware Monitor	获取价格
ADM9240ARU	ADI	Low Cost Microprocessor System Hardware Monitor	获取价格
ADM9240ARU-REEL	ONSEMI	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO24, TSSOP-24	获取价格