t6325a TM Technology Inc., t6325a Datasheet

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t6325a

Manufacturer Part Number
t6325a
Description
Step-down, White Led Constant-current Supply
Manufacturer
TM Technology Inc.
Datasheet
tm
FEATURES
• Wide Input Voltage Range: 7V to 32V
• LED Output Current :
• Set LED current Options :
• Low 0.05uA Shutdown Current
• SOP-8 and TO-252 Lead-free Package
• Build in Short Protect
Applications
• Portable Communication Devices
• Handheld Electronics
• LED/Display Back Light Driver
• Lightings (MR16)
TM Technology Inc. reserves the right
to change products or specifications without notice.
T6325A Up to 1.0A
Set LED current by resistor
Set LED current by PWM
CH
TE
Step-Down, White LED Constant-Current Supply
P. 1
GENERAL DESCRIPTION
The T6325A is step-down constant current
LED driver. An low-dropout bias supply for
white LEDs is a high-performance alternative
to the simple resistors used in conventional
white LED designs. The T6325A uses options
single resistor or PWM to set the current for
LED. The T6325A is available in SOP-8 and
TO-252 Lead-free package.
PART NUMBER EXAMPLES
T6325A-AWG
T6325A-ADG
PART NO.
Preliminary T6325A
Publication Date: OCT. 2007
PACKAGE
TO-252
SOP-8
Revision: 0.B

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t6325a Summary of contents

Page 1

... LED driver. An low-dropout bias supply for white LEDs is a high-performance alternative to the simple resistors used in conventional white LED designs. The T6325A uses options single resistor or PWM to set the current for LED. The T6325A is available in SOP-8 and TO-252 Lead-free package. PART NUMBER EXAMPLES PART NO. T6325A-ADG T6325A-AWG P ...

Page 2

... DESCRIPTION Switch pin, Connect to external inductor Power supply Ground LED Cathode connection PWM brightness control, floting is full PWM duty Enable control signal, H: Ative Power Down P. 2 Preliminary T6325A Publication Date: OCT. 2007 Revision: 0.B ...

Page 3

... CE Input Voltage Low ILCE I CE Input Bias Current ICE R Switch ON Resistance DS(on) I LED Current LED TM Technology Inc. reserves the right to change products or specifications without notice. Symbol Conditions CE= Preliminary T6325A Value V -0 - 300 LEAD T -65 to +150 S Min. Typ. Max Unit 7 - ...

Page 4

... The T6325A uses options single resistor or PWM to set the current for LED. Significantly lower dropout voltage, and in some applications, significantly improved efficiency. Enable Input EN powers the input of the T6325A. Drive EN high (> 2.0V) to enable the device; drive EN low (< 1V) to disable the device. Driving EN low forces and SET into a high-impedance state. Applications Information Very Low-Cost, High-Efficiency Solution ...

Page 5

... Max. Min. Typ. 6.30 0.224 0.236 4.10 0.148 0.156 5. 0.050 1.80 - 1.75 0.052 0.061 0.25 0.001 0.51 0.012 0.016 0.70 0.012 0.020 0.25 0.004 0.006 0.088 REF 0.117 REF 0~8° Preliminary T6325A F E Max. 0.248 0.164 - 0.202 - - 0.071 0.069 - 0.004 0.020 0.028 0.010 Publication Date: OCT. 2007 Revision: 0.B ...

Page 6

... TM Technology Inc. reserves the right to change products or specifications without notice Dimension in mm Max. Min. Max. 0.094 2.20 2.40 0.050 1.00 1.27 0.24 0.40 0.60 0.213 5.20 5.40 0.023 0.43 0.58 0.023 0.43 0.58 0.224 5.40 5.70 3.80 (REF.) 0.262 6.35 6.65 3.80 (REF.) 1.27 (TYP.) 5.08 (TYP.) 0.338 7.94 8.6 0.070 1.40 1.78 0.047 1.09 1.19 0.060 1.30 1. Preliminary T6325A D1 Publication Date: OCT. 2007 Revision: 0.B ...

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