SP7685ER-L Exar Corporation, SP7685ER-L Datasheet - Page 7

• Manufacturer Part Number: SP7685ER-L
• Description: LED Drivers 1.2A Bck/Bst Charge Pump LED Driver
• Manufacturer: Exar Corporation
• Series: -r

Specifications of SP7685ER-L

• Low Level Output Current: 0.4 A
• High Level Output Current: 2 A
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: DFN-10
• Minimum Operating Temperature: - 40 C
• Constant Current: -
• Constant Voltage: -
• Topology: PWM, Step-Down (Buck), Step-Up (Boost), Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: High Brightness LED (HBLED), White LED
• Frequency: 2.4MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: -
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

V
Date: 6/20/06 Rev T
IN
Torch in 1X to Flash in 1X Mode, V
=3.6V, Typical Application Circuit, T
Start Up 200mA Torch
V
Start Up 700mA Flash
V
IN
IN
=3.6V, V
=3.6V, V
OUT
OUT
=3.6V
=3.1V
SP7685, 1.2A Buck/BoostCharge Pump LED Driver
IN
A
=4.2V
= 25°C unless otherwise noted.
EN
I
1A/div
V
V
IN
I
1A/div
V
V
I
1A/div
EN
V
V
EN
OU
FB
OUT
IN
OUT
FB
OUT
FB
7
Torch in 1X to Flash in 2X Mode, V
EN
Flash Mode TimeOut Circuit at 2.6sec.
V
V
IN
Start Up 1000mA Flash
V
=4.2V, I
OUT
IN
=3.6V, V
APPLICATION INFORMATION
OUT
=1A
OUT
=3.8V
V
FB
© 2006 Sipex Corporation
IN
=3.6V
I
1A/div
EN
V
V
OUT
EN
I
1A/div
V
V
IN
OUT
FB
OU
FB