Datasheet

SW1
FB1
SW2
ADJ2
DEF_1
VIN2.5V – 6V
VIN
EN_1
EN_2
MODE/
DATA
TPS62400
GND
L
C
10 F
IN
m
R11
R12
1
2.2 H
LSP4018
m
V
OUT1
C 2x10 F
GRM21BR61A106K
OUT1
m
V
OUT2
R21
R22
L
2
C
ff2
33pF
2.2 H
LSP4018
m
C 2x10 F
GRM21BR61A106K
OUT2
m
TPS62400, TPS62401
TPS62402, TPS62403, TPS62404
www.ti.com SLVS681E –JUNE 2006–REVISED APRIL 2010
PARAMETER MEASUREMENT INFORMATION
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS AND FIGURES
FIGURE NO.
Efficiency TPS62401 VOUT1 = 1.1V 1
Efficiency TPS62401 VOUT1 = 1.575V 2
Efficiency VOUT 2 = 1.8V 3
Efficiency TPS62400 VOUT2 = 3.3V 4
Efficiency TPS62402 5
Efficiency TPS62403 6
Efficiency TPS62404 7
Efficiency vs VIN 8,9
DC Output Accuracy VOUT1 = 1.1V 10
DC Output Accuracy VOUT2 = 3.3V 11
DC Output Accuracy VOUT2 = 1.8V 12
DC Output Accuracy V
OUT
1 1.575V, L = 2.2mH, C
OUT
= 22mF 13
DC Output Accuracy V
OUT
1 1.575V, L = 3.3mH, C
OUT
= 10mF 14
FOSC vs V
IN
15
I
q
for one converter 16
I
q
for both converters, not switching 17
R
DSON
PMOS vs V
IN
18
R
DSON
NMOS vs V
IN
19
Light Load Output Voltage Ripple in Power Save Mode 20
Output Voltage Ripple in Forced PWM Mode 21
Output Voltage Ripple in PWM Mode 22
Forced PWM/ PFM Mode Transition 23
Load Transient Response PFM/PWM 24
Load Transient Response PWM Operation 25
Line Transient Response 26
Startup Timing One Converter 27
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Product Folder Link(s): TPS62400 TPS62401 TPS62402 TPS62403 TPS62404