ADP1653ACPZ-R7 Analog Devices Inc, ADP1653ACPZ-R7 Datasheet - Page 10

• Manufacturer Part Number: ADP1653ACPZ-R7
• Description: IC,Laser Diode/LED Driver,LLCC,16PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Type: Photo Flash LEDr

Specifications of ADP1653ACPZ-R7

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Frequency: 1.2MHz
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-LFCSP
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 200mA, 500mA
• Internal Switch(s): Yes
• Efficiency: 92%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADP1653ACPZ-R7TR

ADP1653
Figure 12. Efficiency P
Figure 11. HPLED Current vs. HPLED Code, I
86
84
82
80
78
76
74
72
70
85
80
75
70
65
60
500
450
400
350
300
250
200
150
100
50
100
Figure 13. Efficiency P
0
0
0
L = D2812C-2R0
DS = BAT20J
D1, D2 = PWF-3
L = LQM31P-2R2
DS = BAT20J
D1 = PWF-3
150
5
100
LED
200
HPLED CURRENT (mA)
/P
10
LED CURRENT (mA)
V
IN
LED
DD
200
, Two High Power White LEDs in Series
/P
HPLED CODE
= 4.2V
IN
V
V
, One High Power White LED
DD
250
DD
15
= 3V
= 3.2V
300
300
20
2
C Mode, SETF = V
V
V
DD
DD
V
DD
= 3.6V
= 3.6V
400
V
350
= 4.2V
25
DD
V
DD
= 3.2V
= 3V
30
400
500
DD
Rev. B | Page 10 of 24
1
2
3
4
1
2
3
4
1
2
3
4
CHANNEL 1 (IBAT) 0.5A/DIV
CHANNEL 2 (I
CHANNEL 1 (IBAT) 0.5A/DIV
CHANNEL 2 (I
CHANNEL 1 (I
CHANNEL 2 (I
Figure 16. Flash Timed Mode, Two LEDs, Timer = 820 ms,
Figure 14. Tx Masking Response, Tx Mask 0 V to 1.8 V,
Figure 15. Tx Masking Response, Tx Mask 0 V to 1.8 V,
IHPLED = 335 mA to 140 mA, V
I
HPLED
HPLED
HPLED
L
HPLED
) 0.5A/DIV
= 140 mA to 335 mA, V
I
HPLED
) 0.2A/DIV
) 0.2A/DIV
) 0.2A/DIV
= 380 mA, V
100ms/DIV
40µs/DIV
40µs/DIV
Δ: 23.2µs
Δ: 22.4µs
CHANNEL 3 (INT) 5V/DIV
CHANNEL 4 (STR) 5V/DIV
DD
CHANNEL 3 (V
CHANNEL 4 (Tx MASK)
5V/DIV
CHANNEL 3 (V
CHANNEL 4 (Tx MASK)
5V/DIV
= 3.6 V
DD
DD
= 3.2 V
= 3.2 V
OUT
OUT
) 5V/DIV
) 5V/DIV