8
TPS55160-Q1
,
TPS55162-Q1
,
TPS55165-Q1
ZHCSH41 –NOVEMBER 2017
www.ti.com.cn
Copyright © 2017, Texas Instruments Incorporated
Electrical Characteristics — Buck-Boost (continued)
Over operating free air temperature range –40°C ≤ T
A
≤ 125°C and maximum junction temperature T
J
= 150°C and
recommended operating input supply range (unless otherwise noted)
(1)
POS PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
3.1a
I
OUT_5V
Max output current in
normal operation for
VOUT in 5-V setting
TPS55165-Q1 with
VOS_FB pin
connected to GND
6 V ≤ V
IN
; DCR ≤ 40 mΩ 1 A
3.1b 3.8 V ≤ V
IN
≤ 6 V; DCR ≤ 40 mΩ 800
mA3.1c 2.3 V ≤ V
IN
< 3.8 V; DCR ≤ 40 mΩ 400
3.1d 2 V ≤ V
IN
< 2.3 V; DCR ≤ 40 mΩ 200
3.1e
I
OUT_12V
Max output current in
normal operation for
VOUT in 12-V setting
TPS55165-Q1 with
VOS_FB pin
connected to
VREG
14 V ≤ V
IN
; DCR ≤ 40 mΩ 800
mA
3.1f 9.2 V≤ V
IN
≤ 14 V; DCR ≤ 40 mΩ 600
3.1g 5.6 V≤ V
IN
< 9.2 V; DCR ≤ 40 mΩ 300
3.1h 4 V ≤ V
IN
< 5.6 V; DCR ≤ 40 mΩ 150
3.2a
I
OUT_adj_VoutH
Max output current in
normal operation for
adjustable
configuration, 8V <
V
OUT
≤ 9V
TPS55160-Q1 and
TPS55162-Q1,
8V < V
OUT
≤ 9V
(V
OUT
+ 2V) ≤ V
IN
; DCR ≤ 40 mΩ 800
3.2b
0.76 * V
OUT
≤ V
IN
≤ (V
OUT
+ 2V);
DCR ≤ 40 mΩ
600 mA
3.2c
0.46 * V
OUT
≤ V
IN
< 0.76 * V
OUT
;
DCR ≤ 40 mΩ
300 mA
3.2d
3.6 V ≤ V
IN
< 0.46 * V
OUT
; DCR ≤
40 mΩ
150 mA
3.2e
I
OUT_adj_VoutL
Max output current in
normal operation for
adjustable
configuration, 5.7V ≤
V
OUT
≤ 8V
TPS55160-Q1 and
TPS55162-Q1,
5.7V ≤ V
OUT
≤ 8V
(V
OUT
+ 1V) ≤ V
IN
; DCR ≤ 40 mΩ 800
mA
3.2f
0.76 * V
OUT
≤ V
IN
< (V
OUT
+ 1V);
DCR ≤ 40 mΩ
600
3.2g
3.6 V ≤ V
IN
< 0.76 * V
OUT
; DCR ≤
40 mΩ
300
3.11 I
OUT_PS
Max output current in
low-power mode
50
3.3
R
dson_
BUCK_HS
On-resistance buck-
stage high-side (HS)
FET
150 300 mΩ
3.4
R
dson_
BUCK_LS
On-resistance buck-
stage low-side (LS)
FET
150 300 mΩ
3.5
R
dson_
BOOST_HS
On-resistance boost-
stage HS FET
150 300 mΩ
3.6
R
dson_
BOOST_LS
On-resistance boost-
stage LS FET
150 300 mΩ
3.7 I
SW_limit
Peak current limit for
HS buck, LS buck, and
LS boost
Device in normal operating mode 2 3.5 4.5 A
3.9 I
CoilAvglimit
Average coil current
limit
Device in normal operating mode; L = 4.7 µH 2 2.8 A
3.20a V
TLDSR_5V_100
Transient load step
response for VOUT in
5-V setting
TPS55165-Q1: Measured at VOUT_SENSE pin;
VOS_FB pin connected to GND; V
IN
= 12 V, I
OUT
= 0.1
A to 0.5 A, T
R
= T
F
= 1 µs, C
OUT
= 47 µF
5
3.20b V
TLDSR_5V_500
Transient load step
response for VOUT in
5-V setting
TPS55165-Q1: Measured at VOUT_SENSE pin;
VOS_FB pin connected to GND; V
IN
= 12 V, I
OUT
= 0.5
A to 1 A, T
R
= T
F
= 1 µs, C
OUT
= 47 µF
5
3.21a V
RIPPLE_5V
Output ripple for VOUT
in 5-V setting
TPS55165-Q1: Measured at VOUT_SENSE pin;
VOS_FB pin connected to GND; V
IN
= 12V, I
OUT
= 1 A,
SS_EN = low
5.5 mVpp
3.21b V
RIPPLE_12V
Output ripple for VOUT
in 12-V setting
TPS55165-Q1: Measured at VOUT_SENSE pin;
VOS_FB pin connected to VREG; V
IN
= 14V, I
OUT
= 0.8
A, SS_EN = low
5 mVpp
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