ADP1655 데이터 시트보기 (PDF) - Analog Devices
부품명
상세내역
제조사
ADP1655 Datasheet PDF : 24 Pages
| |||
ADP1655
SPECIFICATIONS
VIN = 3.6 V, TJ = −40°C to +125°C for minimum/maximum specifications and TA = 25°C for typical specifications, unless
otherwise noted.
Table 1.
Parameter1
SUPPLY
Input Voltage Range
Undervoltage Lockout Threshold
Hysteresis
Shutdown Current
Standby Current
I2C/EN = SCL/EN1 = SDA/EN2 = 1.8 V
Operating Quiescent Current
SW Switch Leakage
INPUTS
Input Logic Low Voltage
Input Logic High Voltage
TORCH, STROBE, TX_MASK Pull-Down
SCL/EN1, SDA/EN2 Pull-Down
TORCH Glitch Filtering Delay
LED DRIVER
LED Current
Assist Light, Torch
Flash
LED Current Accuracy
LED Current Source Headroom2
LED_OUT Ramp-Up Time
LED_OUT Ramp-Down Time
Maximum Timeout For Flash
Timer Accuracy
SWITCHING REGULATOR
Switching Frequency
Minimum Duty Cycle
N-FET Resistance
P-FET Resistance
Conditions
VIN falling
TJ = −40°C to +85°C, current into VIN pin, VIN = 2.7 V to 4.5 V
TJ = −40°C to +85°C, current into VIN pin, VIN = 2.7 V to 4.5 V
Torch mode, two LEDs, LED current = 40 mA
TJ = −40°C to +85°C
I2C/EN = 0 V
From TORCH rising edge to device start
I2C/EN = 0, one LED
I2C/EN = 0, two LEDs
I2C/EN = 1, assist light value setting = 0 (000 binary)
I2C/EN = 1, assist light value setting = 7 (111 binary)
I2C/EN = 0, one LED
I2C/EN = 0, two LEDs
I2C/EN = 1, flash value setting = 0 (0000 binary)
I2C/EN = 1, one LED, flash value setting = 15 (1111 binary)
I2C/EN = 1, two LEDs, flash value setting = 10 to 15 (1010 to
1111 binary)
ILED = 320 mA to 500 mA
ILED = 60 mA to 320 mA
ILED = 20 mA to 60 mA
Flash typical, 400 mA LED current
Torch 160 mA
Min Typ Max Unit
2.7
5.5 V
2.3 2.4 2.5 V
50 100 150 mV
0.3 1 μA
3 10 μA
5.3
mA
1 μA
0.54 V
1.26
V
350
kΩ
350
kΩ
6.3 9 11.7 ms
80
mA
40
mA
20
mA
160
mA
500
mA
320
mA
200
mA
500
mA
400
mA
−5
+5 %
−5
+10 %
−5
+20 %
290
mV
190
1 ms
0.5 ms
850
ms
−7.5
+7.5 %
1.85 2 2.15 MHz
9.0
%
135
mΩ
290
mΩ
Rev. 0 | Page 3 of 24
Share Link: 