Datasheet

TPS65161
TPS65161A, TPS65161B
www.ti.com SLVS617E –APRIL 2006–REVISED MARCH 2013
ELECTRICAL CHARACTERISTICS (continued)
V
IN
= 12 V, SUP = V
IN
, EN1 = EN2 = V
IN
, V
S
= 15 V, V
(LOGIC)
= 3.3 V, T
A
= –40°C to 85°C, typical values are at T
A
= 25°C
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
NEGATIVE CHARGE-PUMP VGL
V
O
Output voltage range –2 V
V
(FBN)
Feedback regulation voltage –36 0 36 mV
I
(FBN)
Feedback input bias current 10 100 nA
TPS65161, TPS65161A; I
OUT
= 20 mA 4.4
r
DS(on)
Q4 P-Channel switch r
DS(on)
Ω
TPS65161B; I
OUT
= 20 mA 3.7
I
(DRN)
= 50 mA,
0.13 0.19
V
(FBN)
= V
(FBN)
nominal –5%
TPS65161,
TPS65161A
I
(DRN)
= 100 mA,
0.27 0.42
V
(FBN)
= V
(FBN)
nominal –5%
V
(DropN)
Current sink voltage drop
(3)
V
I
(DRN)
= 100 mA,
0.24 0.42
V
(FBN)
= V
(FBN)
nominal –5%
TPS65161B
I
(DRN)
= 200 mA,
0.52 0.90
V
(FBN)
= V
(FBN)
nominal –5%
POSITIVE CHARGE-PUMP OUTPUT VGH
V
(FBP)
Feedback regulation voltage 1.187 1.213 1.238 V
I
(FBP)
Feedback input bias current 10 100 nA
r
DS(on)
Q3 N-Channel switch r
DS(on)
I
OUT
= 20 mA 1.1 Ω
I
(DRP)
= 50 mA,
0.40 0.68
V
(FBP)
= V
(FBP)
nominal –5%
TPS65161,
TPS65161A
I
(DRP)
= 100 mA,
0.85 1.60
V
(FBP)
= V
(FBP)
nominal –5%
Current source voltage drop
V
(DropP)
V
(V
(SUP)
– V
(DRP)
)
(4)
I
(DRP)
= 100 mA,
0.63 1.60
V
(FBP)
= V
(FBP)
nominal –5%
TPS65161B
I
(DRP)
= 200 mA,
1.40 3.20
V
(FBP)
= V
(FBP)
nominal –5%
(3) The maximum charge-pump output current is typically half the drive current of the internal current source or current sink.
(4) The maximum charge-pump output current is typically half the drive current of the internal current source or current sink.
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