LTC3129_15 Datasheet, PDF (30/30 Pages) Linear Technology – 15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3A Quiescent Current

LTC3129
TYPICAL APPLICATION
Dual V_IN Application, Using the LTC4412 PowerPath™ Controller
MBR0520
12V WALL ADAPTER INPUT
FDN338
BSS314
LTC4412
V_IN
+
Li-Ion
GATE
SENSE
CTL
STAT
GND
10µF
V_CC
22nF _10µH 22nF
BST1 SW1
V_IN
SW2 BST2
V_OUT
LTC3129
RUN
MPPC
PWM
NC
NC
GND
FB
PGOOD
V_CC
PGND
V_IN = 12V, I_OUT = 200mA
V_IN = 3.6V, I_OUT = 50mA
10µF
25V
V_OUT
12V
10pF 3.01M
324k
2.2µF
3129 TA08
RELATED PARTS
PART NUMBER DESCRIPTION
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15V, 300mA Synchronous Step-Down DC/DC Converter with
Ultralow Quiescent Current
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15V, 300mA Synchronous Step-Down DC/DC Converter with
Ultralow Quiescent Current and 10mA LDO
LTC3105
400mA Step-up Converter with MPPC and 250mV Start-Up
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15V, 2.5A, 750kHz Monolithic Synch Buck/Boost
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5.5V, 200mA, 600kHz Monolithic Synch Buck/Boost
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LTC3388-3
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LTC3108-1
LTC3109
LTC3588-1
20V, 50mA High Efficiency Nano Power Step-Down Regulator
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COMMENTS
V_IN(MIN) = 2.2V, V_IN(MAX) = 15V, V_OUT(MIN) = 0.8V, I_Q = 1.8µA,
I_SD <1µA, 3mm × 3mm DFN-10, MSOP-10 Packages
V_IN(MIN) = 2.2V, V_IN(MAX) = 15V, V_OUT(MIN) = 0.8V, I_Q = 2.8µA,
I_SD <1µA, 4mm × 3mm DFN-14, MSOP-16 Packages
V_IN(MIN) = 0.2V, V_IN(MAX) = 5V, V_OUT(MIN) = 0 5.25V_MAX, I_Q = 22µA,
I_SD <1µA, 3mm × 3mm DFN-10/MSOP-12 Packages
V_IN(MIN) = 2.7V, V_IN(MAX) = 15V, V_OUT(MIN) = 2.7V to 14V, I_Q = 50µA,
I_SD <1µA, 4mm × 5mm DFN-16 TSSOP-20E Packages
V_IN(MIN) = 2.7V, V_IN(MAX) = 40V, V_OUT(MIN) = 2.7V to 40V, I_Q = 50µA,
I_SD <1µA, 4mm × 5mm DFN-16 and TSSOP-20E Packages
V_IN(MIN) = 1.8V, V_IN(MAX) = 5.5V, V_OUT(MIN) = 2V to 5V, I_Q = 16µA,
I_SD <1µA, 3mm × 3mm DFN-8 and ThinSOT Packages
V_IN(MIN) = 2.7V, V_IN(MAX) =20V, V_OUT(MIN) = Fixed 1.1V to 5.5V,
I_Q = 720nA, I_SD = 400nA, 3mm × 3mm DFN-10, MSOP-10 Packages
V_IN(MIN) = 0.02V, V_IN(MAX) = 1V, V_OUT(MIN) = Fixed 2.35V to 5V,
I_Q = 6µA, I_SD <1µA, 3mm × 4mm DFN-12, SSOP-16 Packages
V_IN(MIN) = 0.03V, V_IN(MAX) = 1V, V_OUT(MIN) = Fixed 2.35V to 5V,
I_Q = 7µA, I_SD <1µA, 4mm × 4mm QFN-20, SSOP-20 Packages
V_IN(MIN) = 2.7V, V_IN(MAX) = 20V, V_OUT(MIN) = Fixed 1.8V to 3.6V,
I_Q = 950nA, I_SD 450nA, 3mm × 3mm DFN-10, MSOP-10E Packages
V_IN(MIN) = 450nA to 50mA, V_FLOAT + 4.0V, 4.1V, 4.2V, I_Q = 300nA,
2mm × 3mm DFN-8, MSOP-8 Packages
30 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950_Fo3_r5_m-7_o4_re1_i7_{nformation www.linear.com/LTC3129}
[phone] ^● FAX: [phone] ^● www.linear.com/LTC3129
3129fb
LT 1014 REV B • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2013