p1696 Unisonic Technologies, p1696 Datasheet

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p1696

Manufacturer Part Number
p1696
Description
150khz, 2a Pwm Step-down Dc/dc Converter
Manufacturer
Unisonic Technologies
Datasheet
P1696
150KHZ, 2A PWM STEP-DOWN
DC/DC CONVERTER
to provide 2A output current. The available output voltages are
2.5V 3.3V, 5V, 12V, and an adjustable output version.
*Output load current: 2A
*Adjustable version output voltage range, 1.23V ~ 17.5V±4%
*Operating voltage can be up to 24V
*Low power standby mode
*High efficiency
*Internal current and thermal limit
www.unisonic.com.tw
Copyright © 2008 Unisonic Technologies Co., Ltd
The UTC P1696 series is a step-down switching regulator able
PIN NO.
ORDERING INFORMATION
5,6,7,8
DESCRIPTION
FEATURES
PIN DESCRIPTION
P1696-xx-S08-R
P1696-xx-S08-T
1
2
3
4
Normal
UNISONIC TECHNOLOGIES CO., LTD
Ordering Number
SD (Shutdown)
FB (Feedback)
PIN NAME
Output
GND
V
IN
P1696L-xx-S08-R
Lead Free Plating
P1696L-xx-S08-T
Operating voltage input
Switching output
Output voltage feedback control
ON/OFF shutdown
Circuit ground
DESCRIPTION
Package
SOP-8
SOP-8
LINEAR INTEGRATED CIRCUIT
*Pb-free plating product number:P1696L
Tape Reel
Packing
Tube
SOP-8
QW-R103-035,D
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p1696 Summary of contents

Page 1

... UNISONIC TECHNOLOGIES CO., LTD P1696 150KHZ, 2A PWM STEP-DOWN DC/DC CONVERTER DESCRIPTION The UTC P1696 series is a step-down switching regulator able to provide 2A output current. The available output voltages are 2.5V 3.3V, 5V, 12V, and an adjustable output version. FEATURES *Output load current: 2A *Adjustable version output voltage range, 1.23V ~ 17.5V±4% ...

Page 2

... P1696 BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT QW-R103-035 ...

Page 3

... Adjustable version and PARAMETER SYMBOL 2.5V 3.3V Output Voltage V OUT 5.0V 12V 2.5V 3.3V Efficiency η 5.0V 12V UTC P1696-ADJ Feedback Voltage VFB Efficiency η ALL OUTPUT VOLTAGE Feedback Bias Current I BIAS Oscillator Frequency f OSC Saturation Voltage V SAT Max Duty Cycle (ON) DC Min Duty Cycle (OFF) ...

Page 4

... P1696 TYPICAL APPLICATION ADJUSTABLE OUTPUT VOLTAGE VERSIONS Where V = 1.23V REF UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT (Fixed Output Voltage Version QW-R103-035,D ...

Page 5

... P1696 TYPICAL CHARACTERISTICS Normalized Output Voltage 5.15 V =24V,L =2A IN LOAD Normalized at T =25 ℃ J 5.10 5.05 5.00 4.95 4.90 4.85 -50 - Junction Temperature (℃) Efficiency 90 2A Load Input Voltage (V) Switch Current Limit 5.00 V =12V, V =5V IN OUT 4.75 4.50 4.25 4.00 3.75 3.50 -50 - Junction Temperature (℃) UNISONIC TECHNOLOGIES CO., LTD www ...

Page 6

... P1696 TYPICAL CHARACTERISTICS(Cont.) Shutdown Quiescent Current 200 V =5V ON/OFF 1 : -40℃ ℃ 160 3 : 125 ℃ 120 Supply Voltage (V) ON/OFF Threshold Voltage 6.0 5.0 4.0 OFF 3.0 2.0 1.0 ON 0.0 -50 - Junction Temperature (℃) Switch Frequency 300 V =24V, I =2A IN LOAD 250 Normalized at T =25℃ ...

Page 7

... P1696 UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury ...

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