Datasheet
OUT
SW
Ramp
Generator
Oscillator
CurrentSensor
FB
GND
+
EA
PWMControl
CP1CP2EN
Gate
Driver
Ref.
VO
VIN
Gate
Driver
Precharge
On/offcontrol
EN
SS
Soft
Startup
C/P
TPS61093
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SLVS992A –SEPTEMBER 2009–REVISED NOVEMBER 2009
FUNCTIONAL BLOCK DIAGRAM
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
Figure 1, L = TOKO #A915_Y-100M, unless otherwise noted FIGURE
η Efficiency vs Load current at OUT = 15 V 2
η Efficiency vs Load current at OUT = 10 V 3
V
FB
FB voltage vs Free-air temperature 4
V
FB
FB voltage vs Input voltage 5
I
LIM
Switch current limit vs Free-air temperature 6
Line transient response VIN = 3.3 V to 3.6 V; Load = 50 mA 7
Load transient response VIN = 2.5 V; Load = 10 mA to 50 mA; Cff = 100 pF 8
PWM control in CCM VIN = 3.6 V; Load = 50 mA 9
PWM control in DCM VIN = 3.6 V; Load = 1 mA 10
Pulse skip mode VIN = 4.5 V; OUT = 10 V; No load 11
Soft start-up VIN = 3.6 V; Load = 50 mA 12
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