TPS2148
TPS2158
SLVS373 – AUGUST 2001
recommended operating conditions
MIN
2.9
0
MAX
5.5
UNIT
V
V
V
I(VIN/SWIN1)
Input voltage
5.5
V
I(ENx)
0
5.5
I(LDO_EN)
LDO_OUT
200
150
550
400
100
Continuous output current, I
mA
O
OUT1, OUT2
LDO_OUT
275
200
–40
Output current limit, I
mA
O(LMT)
OUT1, OUT2
Operating virtual-junction temperature range, T
°C
J
electrical characteristics over recommended operating junction-temperature range,
2.9 V ≤ V
≤ 5.5 V, T = –40°C to 100°C (unless otherwise noted)
I(VIN/SWIN1)
J
general
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
V
V
V
= 5 V (inactive),
I(ENx)
= 0 V (inactive),
I(LDO_EN)
Off-state supply current
Forward leakage current
20
µA
= no load,
O(LDO_OUT)
= no load
O(OUTx)
V
V
V
V
= 5 V (inactive),
I(ENx)
I(LDO_EN)
O(LDO_OUT)
O(OUTx)
V
V
= 5 V
I(VIN/SWIN1)
= 0 V (inactive),
= 0 V,
= 0 V
1
µA
(measured from outputs to
ground)
V
V
= 5 V (active),
= 0 V (inactive),
= 5 V (active),
I(LDO_EN)
I(ENx)
150
100
100
µA
µA
µA
= on (active)
= 5 V,
I(VIN/SWIN1)
Total input current at VIN/SWIN1
and SWIN2
V
V
I(LDO_EN)
I(ENx)
No load on OUTx,
No load on LDO_OUT
I
I
= on (active)
V
V
I(LDO_EN)
I(ENx)
= off (inactive)
power switches
PARAMETER
TEST CONDITIONS
= 50 mA,
MIN
TYP
MAX
UNIT
I
O(LDO_OUT)
IOUT1 and IOUT2 = 150 mA, T = –40°C to 100°C
680
Static drain-source on-state
resistance, VIN/SWIN1 or
SWIN2 to OUTx
J
r
mΩ
DS(on)
I
= 50 mA,
O(LDO_OUT)
IOUT1 and IOUT2 = 150 mA, T = 25°C
340
J
V
V
= 5 V, V
= 0 V,
= 0 V,
= 0 V,
I(ENx)
I(ENx)
= 5 V
10
10
I(VIN/SWIN1)
Reverse leakage current at
OUTx
V
= 5 V,
V
= 5 V, V
I(ENx)
O(OUTx)
LDO_EN = don’t care
I(ENx)
= 2.9 V
I
I
µA
lkg(R)
V
I(VIN/SWIN1)
V
V
= 5 V, V
I(ENx)
I(VIN/SWIN1)
I(ENx)
= 0 V
10
Short circuit output current
OUTx connected to GND, device enabled into short circuit
0.2
0.4
A
OS
NOTE 1: Specified by design, not tested in production.
3
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