SC617 Datasheet, PDF (3/13 Pages) Semtech Corporation – Charge Pump Flash LED Driver with Safety Timer

SC617
Absolute Maximum Ratings
VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.5
VOUT (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.5
C1+, C2+ (V) . . . . . . . . . . . . . . . . . . . . . . . -0.3 to (V + 0.3)
OUT
Pin Voltage - All Other Pins (V) . . . . . . -0.3 to (V + 0.3)
IN
Circuit Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Protection Level⁽¹⁾ (kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Recommended Operating Conditions
Ambient Temperature Range (°C). . . . . . . . . . . . -40 to +85
Thermal Information
Thermal Resistance, Junction to Ambient⁽²⁾ (°C/W). . . . . 40
Junction Temperature Range (°C). . . . . . . . . . . . -40 to +150
Storage Temperature Range (°C). . . . . . . . . . . . . -60 to +150
Peak IR Reflow Temperature (10s to 30s) (°C) . . . . . . . +260
Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specified in the Electrical Characteristics section is not recommended.
NOTES:
(1) Tested according to JEDEC standard JESD22-A114-B.
(2) Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
Electrical Characteristics
Unless otherwise specified: T = 25°C for TYP, -40°C to +60°C for MIN and MAX; C = C = 1.0μF (ESR < 0.1Ω); C = 10.0μF; V = 3.0V to 5.25V;
A
BUCKET
OUT
IN
IN
V = 2.8V to 4.25V; R = 0.5Ω (0.1%).
OUT
SET
Parameter
Symbol
Conditions
Min Typ Max Units
Output Current
ISET Reference Voltage
I_OUT
V_ISET
FLASH high, R = 0.357Ω
SET
3.7V < V < 4.2V, V = 3.7V⁽¹⁾
IN
OUT
FLASH high, R = 0.5Ω
SET
3.3V < V_IN < 4.2V
2.8V < V < 4.25V
OUT
FLASH low, CTRL high, R = 0.357Ω
SET
3.7V < V < 4.2V, V = 3.4V⁽¹⁾
IN
OUT
FLASH low, CTRL high, R = 0.5Ω
SET
3.0V < V < 4.5V
IN
2.8V < V_OUT < 4.5V
FLASH high, R_SET = 0.5Ω
3.3V < V < 4.2V
IN
2.8V < V < 4.25V
OUT
FLASH low, CTRL high, R = 0.5Ω
SET
3.0V < V < 4.5V
IN
2.8V < V_OUT < 4.5V
FLASH high
700
460 500 540
mA
210
120 150 180
230 250 270
mV
60
75
90
3.4
5.0
mA
Quiescent Current
I
FLASH low, CTRL high
Q
FLASH low, CTRL low
2.0
4.5
mA
0.1
2.0
μA
3