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TPS63805 Datasheet(PDF) 3 Page - Texas Instruments

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Part # TPS63805
Description  TPS6380x High-Efficiency, Low IQ Buck-Boost Converter with Small Solution Size
PDF  42 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS63805 Datasheet(HTML) 3 Page - Texas Instruments

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5 Description (continued)
The transitions between modes happen at defined thresholds and avoid unwanted toggling within the modes
to reduce output voltage ripple. The device output voltages are individually set by a resistive divider within
a wide output voltage range. The TPS63805 and TPS63807 achieve the lowest solution size with a tiny bill
of materials. An 11-μA quiescent current enables the highest efficiency for little to no-load conditions. The
TPS63805, TPS63806, and TPS63807 come in a 1.4-mm × 2.3-mm package. The device works with tiny
passive components to keep the overall solution size small.
The TPS63806 is optimized for applications where the load-step response under a heavy load profile is a
concern.
6 Device Comparison Table
PART
NUMBER
OUTPUT VOLTAGE
(VO)
I(Q;VIN) (TYP.)
C(O,EFF) (MIN.)
VPP LOAD TRANSIENT
RESPONDS (TYP.)
TPS63805/
TPS63807
Adjustable
11 µA
7 µF
320 mV
TPS63806
Adjustable
13 µA
21 µF
180 mV
7 Pin Configuration and Functions
A
B
C
D
E
3
2
1
Not to scale
VIN
L1
GND
L2
VOUT
VIN
L1
GND
L2
VOUT
EN
MODE
AGND
FB
PG
Figure 7-1. WCSP Package Top View
Table 7-1. Pin Functions
PIN
DESCRIPTION
NO
NAME
A2, A3
VIN
Supply voltage
B2, B3
L1
Connection for inductor
A1
EN
Device Enable input. Set HIGH to enable and LOW to disable. It must not be left floating.
C2, C3
GND
Power ground
B1
MODE
PFM/PWM mode selection. Set LOW for power save mode, set HIGH for forced PWM mode. It must not be
left floating.
C1
AGND
Analog ground
D2, D3
L2
Connection for inductor
E2, E3
VOUT
Power stage output
D1
FB
Voltage feedback sensing pin
E1
PG
Power good indicator, open drain output. If not used can be left floating.
www.ti.com
TPS63805, TPS63806, TPS63807
SLVSDS9E – JULY 2018 – REVISED AUGUST 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: TPS63805 TPS63806 TPS63807



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