CURRENT SOURCE SPECIFICATIONS |
ILED |
Current source accuracy |
VOUT = 4 V, flash code = 0x3F = 1.5 A flash |
–7% |
1.5 |
7% |
A |
VOUT = 4 V, torch code = 0x3F = 178.6 mA torch |
–10% |
178.6 |
10% |
mA |
ILED |
Current source accuracy (LM3648TT) |
VOUT = 4 V, torch code = 0x3F = 357.2 mA torch |
–10% |
357.2 |
10% |
mA |
VHR |
LED current source regulation voltage |
ILED = 1.5 A |
Flash |
|
290 |
|
mV |
ILED = 178.6 mA |
Torch |
|
158 |
|
VHR |
LED current source regulation voltage (LM3648TT) |
ILED = 357.2 mA |
Torch and flash |
|
270 |
|
mV |
VOVP |
|
ON threshold |
4.86 |
5 |
5.1 |
V |
OFF threshold |
4.75 |
4.88 |
4.99 |
STEP-UP DC-DC CONVERTER SPECIFICATIONS |
RPMOS |
PMOS switch on-resistance |
|
|
86 |
|
mΩ |
RNMOS |
NMOS switch on-resistance |
|
|
65 |
|
ICL |
Switch current limit |
Reg 0x07, bit[0] = 0 |
–12% |
1.9 |
12% |
A |
Reg 0x07, bit[0] = 1 |
–12% |
2.8 |
12% |
VUVLO |
Undervoltage lockout threshold |
Falling VIN |
–2% |
2.5 |
2% |
V |
VTRIP |
NTC comparator trip threshold |
Reg 0x09, bits[3:1] = '100' |
–5% |
0.6 |
5% |
V |
INTC |
NTC current |
|
–6% |
50 |
6% |
µA |
VIVFM |
Input voltage flash monitor trip threshold |
Reg 0x02, bits[5:3] = '000' |
–3% |
2.9 |
3% |
V |
IQ |
Quiescent supply current |
Device not switching pass mode |
|
0.3 |
0.75 |
mA |
ISD |
Shutdown supply current |
Device disabled, HWEN = 0 V 2.5 V ≤ VIN ≤ 5.5 V |
|
0.1 |
4 |
µA |
ISB |
Standby supply current |
Device disabled, HWEN = 1.8 V 2.5 V ≤ VIN ≤ 5.5 V |
|
2.5 |
10 |
µA |
HWEN, TORCH/TEMP, STROBE, TX VOLTAGE SPECIFICATIONS |
VIL |
Input logic low |
2.5 V ≤ VIN ≤ 5.5 V |
0 |
|
0.4 |
V |
VIH |
Input logic high |
1.2 |
|
VIN |
V |
I2C-COMPATIBLE INTERFACE SPECIFICATIONS (SCL, SDA) |
VIL |
Input logic low |
2.5 V ≤ VIN ≤ 4.2 V |
0 |
|
0.4 |
V |
VIH |
Input logic high |
1.2 |
|
VIN |
VOL |
Output logic low |
ILOAD = 3 mA |
|
|
400 |
mV |