參數(shù)資料
型號: TPS61062YZF
廠商: Texas Instruments, Inc.
英文描述: Male Bullet Solderless Terminal; Wire Size (AWG):16-14; Insulator Color:Blue; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No RoHS Compliant: No
中文描述: 恒定電流LED驅(qū)動器,帶有數(shù)字和PWM亮度控制
文件頁數(shù): 7/22頁
文件大?。?/td> 609K
代理商: TPS61062YZF
www.ti.com
20
30
40
50
60
70
80
90
0
5
10
LED Current mA
15
20
25
30
V
IN
= 4.2 V
V
IN
= 3 V
E
4 LEDS,
ILED = High,
V
OUT
= 14.3 V
V
IN
= 3.6 V
20
30
40
50
60
70
80
90
0
5
10
15
20
25
V
IN
= 4.2 V
V
IN
= 3 V
E
LED Current mA
5 LEDS,
ILED = High,
V
OUT
= 17.8 V
V
IN
= 3.6 V
EN
2 V/div
Induc100 mA/div
LED Current
20 mA/div
C1 Frequency
Low Signal
Amplitude
1 ms/div
0
50
100
150
200
250
300
350
400
450
500
550
600
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
ILED Programming Step
V
Stepsize typ = 15.6 mV
TPS61060
TPS61061
TPS61062
SLVS538–NOVEMBER 2004
EFFICIENCY
vs
LED CURRENT
EFFICIENCY
vs
LED CURRENT
Figure 6.
Figure 7.
DIGITAL BRIGHTNESS CONTROL
FEEDBACK VOLTAGE
vs
ILED PROGRAMMING STEP
PWM DIMMING
Figure 8.
Figure 9.
7
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