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| TPS62740_16 Datasheet, PDF (21/32 Pages) Texas Instruments – 360nA IQ Step Down Converter For Low Power Applications | |||
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www.ti.com
TPS62740, TPS62742
SLVSB02B â NOVEMBER 2013 â REVISED JULY 2014
VIN = 3.6 V
ROUT = 100 Ω
VOUT = 2.1 V
COUT = 10 µF
CTRL = GND
L = 2.2 µH
Figure 45. VOUT Ramp Up After Enable
VIN = 3.6 V
ROUT = 100 Ω,
ILOAD = 0 mA
VOUT = VLOAD = 2.1 V CTRL = VIN
COUT = CLOAD = 10 µF L = 2.2 µH
Figure 46. VOUT Ramp Up With Activated Load Switch
VIN = 3.6 V
COUT = 10 µF
IOUT = 5 mA
CTRL = GND
L = 2.2 µH
Ramp up / Down
VSEL 3+4 toggled
VSEL 1+2 = GND
Figure 47. Dynamic Output Voltage Scaling
VOUT = 1.8V/3.0V
COUT = 10 µF
L = 2.2 µH
CTRL = GND
VIN = ramp up/down 0 V to 5 V, 150 ms,
Output resistance 50 Ω
Figure 48. Input Voltage Ramp Up/Down
VOUT = 1.8V
100% mode operation,
high side MOSFET turned on
100% mode operation,
high side MOSFET turned on
COUT = 10 µF
L = 2.2 µH
CTRL = GND
VIN = ramp up/down 0 V to 5 V, 150 ms,
Output resistance 50 Ω
Figure 49. Input Voltage Ramp Up/Down VOUT = 2.6V
Copyright © 2013â2014, Texas Instruments Incorporated
COUT = 10 µF
L = 2.2 µH
CTRL = GND
VIN = ramp up/down 0 V to 5 V, 150 ms,
Output resistance 50 Ω
Figure 50. Input Voltage Ramp Up/Down VOUT = 3.3V
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