SC615A Datasheet, PDF (2/12 Pages) Semtech Corporation – Charge Pump Flash LED Driver

SC615A
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device or device malfunction.
Operation outside of the parameters specified in the Electrical Characteristics section is not implied.
Parameter
Symbol
Maximum
Units
Supply Voltage
Output Voltage
Pin Voltage - FLASH, CTRL, ISET, C1-, C2-
Pin Voltage - C1+, C2+
V_OUT Short Circuit Duration
Thermal Resistance, Junction to Ambient
(JESD51 Standard Method)⁽¹⁾
V_IN
V_OUT
SC
θ_JA
-0.3 to 6.5
-0.3 to 6.5
-0.3 to V_IN + 0.3
-0.3 to V_OUT + 0.3
Indefinite
49
V
V
V
V
°C/W
Operating Ambient Temperature Range
T_A
-40 to +85
°C
Junction Temperature Range
T_JC
-40 to +150
°C
Storage Temperature Range
T_STG
-65 to +150
°C
IR Reflow Temperature
T_LEAD
260
°C
ESD Protection Level⁽²⁾
V_ESD
2
kV
Notes:
1) Calculated from package in still air, mounted to 3”x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
2) Tested according to JEDEC standard JESD22-A114-B
Electrical Characteristics
Unless otherwise specified: T_A = 25°C for TYP, -40°C to +60°C for MIN and MAX;
C_BUCKET = C_OUT = 1.0µF (ESR < 0.1Ω); C_IN = 10.0µF; V_IN = 3.0V to 5.25V; V_OUT = 2.8V to 4.25V; R_ISET = 0.5Ω (0.1%).
Parameter
Symbol
Conditions
Min Typ Max Units
Output Current
ISET Reference Voltage
I_OUT
V_ISET
FLASH high, R_ISET = 0.357Ω
3.7V < V_IN < 4.2V, V_OUT = 3.7V ⁽¹⁾
700
mA
FLASH high, R_ISET = 0.5Ω
3.3V < V_IN < 4.2V
2.8V < V_OUT < 4.25V
460 500 540
FLASH low, CTRL high, R_ISET = 0.357Ω
3.7V < V_IN < 4.2V, V_OUT = 3.4V ⁽¹⁾
280
mA
FLASH low, CTRL high, R_ISET = 0.5Ω
2.8V < V_OUT < 4.5V
3.0V < V_IN < 4.5V
170 200 230
FLASH high, R_ISET = 0.5Ω
3.3V < V_IN < 4.2V
2.8V < V_OUT < 4.25V
230 250 270 mV
 2005 Semtech Corp.
2
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