TPS650061RUKT Datasheet, PDF (12/34 Pages) Texas Instruments – 2.25 MHz Step Down Converter with Dual LDOs and SVS

TPS65000, TPS65001, TPS650001
TPS650003, TPS650006, TPS650061
SLVS810B – JUNE 2009 – REVISED AUGUST 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
LOAD TRANSIENT RESPONSE (LDOx)
PFM to PWM TRANSITION (DCDC)
VINDCDC = 3.6V
VINLDOx = 3.6V
T_A = 25^oC
LDOx Load Current = 15mA to 100mA
VLDOx = 1.2V
EN_DCDC = GND
VINDCDC = 3.6V
T_A = 25^oC
DCDC Load Current = 30mA
VDCDC = 1.8V
t - Time - 200ms/div
Figure 17.
PWM to PFM TRANSITION (DCDC)
VINDCDC = 3.6V
T_A = 25^oC
DCDC Load Current = 30mA
VDCDC = 1.8V
t - Time - 4ms/div
Figure 19.
t - Time - 4ms/div
Figure 18.
POWER SUPPLY REJECTION RATIO (LDOx)
vs
FREQUENCY
100
V_IN = 2.3V
90
VLDOx = 1.3V
C_I = 2.2mF
80
C_O = 10mF
70
60
50
40
I_O = 10mA
30
20
10
0
10
100 1k 10k 100k 1M 10M
f - Frequency - MHz
Figure 20.
12
Submit Documentation Feedback
Copyright © 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS65000 TPS65001 TPS650001 TPS650003 TPS650006 TPS650061