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LTC3129 Datasheet(PDF) 7 Page - Linear Technology

Part # LTC3129
Description  15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3關A Quiescent Current
PDF  30 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3129 Datasheet(HTML) 7 Page - Linear Technology

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LTC3129
7
3129fc
For more information www.linear.com/LTC3129
Fixed Frequency Ripple on VOUT
Typical perForMance characTerisTics
Step Load Transient Response in
Fixed Frequency
Step Load Transient Response in
Burst Mode Operation
PGOOD Response to a Drop
On VOUT
Burst Mode Waveforms
Burst Mode Ripple on VOUT
Start-Up Waveforms
TA = 25°C, unless otherwise noted.
MPPC Response to a Step Load
L = 10µH
VIN = 7V
VOUT = 5V
IOUT = 200mA
COUT = 10µF
3129 G22
200ns/DIV
IL
200mA/DIV
VOUT
20mV/DIV
L = 10µH
VIN = 7V
VOUT = 5V
IOUT = 5mA
COUT = 22µF (WITH THE RECOMMENDED
FEEDFORWARD CAPACITOR)
3129 G24
100µs/DIV
IL
100mA/DIV
VOUT
100mV/DIV
VIN = 7V
VOUT = 5V
IOUT = 50mA
COUT = 22µF
3129 G25
1ms/DIV
IVIN
200mA/DIV
VOUT
5V/DIV
VCC
5V/DIV
RUN
5V/DIV
L = 10µH
VIN = 7V
VOUT = 5V
COUT = 10µF
IOUT = 50mA to 150mA STEP
3129 G26
500µs/DIV
IVOUT
100mA/DIV
VOUT
100mV/DIV
L = 10µH
VIN = 7V
VOUT = 5V
COUT = 22µF (WITH THE RECOMMENDED
FEEDFORWARD CAPACITOR)
IOUT = 5mA to 125mA STEP
3129 G27
500µs/DIV
IVOUT
100mA/DIV
VOUT
100mV/DIV
VOUT = 5V
3129 G28
1ms/DIV
PGOOD
2V/DIV
VOUT
2V/DIV
VIN = 5VOC
VMPPC SET TO 3.5V
CIN = 22µF, RIN = 10,
VOUT = 5V, COUT = 22µF
IOUT = 25mA to 125mA STEP
3129 G29
2ms/DIV
IVOUT
100mA/DIV
VOUT
2V/DIV
VIN
2V/DIV
L = 10µH
VIN = 7V
VOUT = 5V
IOUT = 5mA
COUT = 22µF
3129 G23
50µs/DIV
IL
200mA/DIV
SW2
5V/DIV
SW1
5V/DIV



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