TPS65910, TPS65910A, TPS65910A3, TPS659101, TPS659102, TPS659103
TPS659104, TPS659105, TPS659106, TPS659107, TPS659108, TPS659109
SWCS046N –MARCH 2010–REVISED APRIL 2012
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VDD2 SMPS (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VFB2 internal resistance
0.5
1
MΩ
Discharge resistor for power-down
sequence RDIS
30
50
1
Ω
Ground current (IQ)
Off
PWM mode, IOUT = 0 mA, VIN = 3.8 V,
VDD2_PSKIP = 0
7500
78
µA
Pulse skipping mode, no switching
Low-power (pulse skipping) mode, no switching
ST[1:0] = 11
63
PWM mode, DCRL < 50 mΩ, VOUT = 1.2 V, VIN
3.6 V:
=
Conversion efficiency
IOUT = 10 mA
35%
82%
81%
74%
66%
62%
IOUT = 200 mA
IOUT = 400 mA
IOUT = 800 mA
IOUT = 1200 mA
IOUT = 1500 mA
Pulse skipping mode mode, DCRL < 50 mΩ, VOUT
= 1.2 V, VIN = 3.6 V:
IOUT = 1 mA
59%
70%
82%
IOUT = 10 mA
IOUT = 200 mA
PWM mode, DCRL < 50 mΩ, VOUT = 3.3 V, VIN
=
5 V:
IOUT = 10 mA
44%
90%
91%
88%
84%
81%
IOUT = 200 mA
IOUT = 400 mA
IOUT = 800 mA
IOUT = 1200 mA
IOUT = 1500 mA
Pulse skipping mode mode, DCRL < 50 mΩ, VOUT
= 3.3 V, VIN = 5 V:
IOUT = 1 mA
75%
83%
90%
IOUT = 10 mA
IOUT = 200 mA
18
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