LMZ10501SHX Datasheet, PDF (10/25 Pages) Texas Instruments – LMZ10501 1A SIMPLE SWITCHER Nano Module with 5.5V Maximum Input Voltage

LMZ10501
SNVS677D – MAY 2011 – REVISED MARCH 2013
Schematic V_OUT = 3.3V
VIN
CIN
EN
VIN _VOUT
3.3V
VOUT
VREF
RT
FB
VCON
COUT
RB
PGND SGND
CVC
CIN 10 P) 8 6.3V
COUT 10 PF 8 6.3V
CVC 470 pF 8 6.3V
RT 118 k: 1%
RB 150 k: 1%
0805 X7R or X5R
0805 X7R or X5R
0603 X7R or X5R
0603
0603
Figure 28.
Output Ripple V_OUT = 3.3V
VOUT RIPPLE
COUT = 10 F 10V 0805 X5R
10 mV/Div
3.3V
500 MHz BW
1 µs/Div
Figure 30.
Line and Load Regulation V_OUT = 3.3V
3.30
3.28
3.26
VIN = 3.6V
3.24
VIN = 4.0V
VIN = 4.5V
VIN = 5.0V
VIN = 5.5V
3.22
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
LOAD CURRENT (A)
Figure 32.
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Efficiency V_OUT = 3.3V
100
90
80
70
60
50
VIN = 3.6V
40
VIN = 4.0V
VIN = 4.5V
VIN = 5.0V
30
VIN = 5.5V
20
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
LOAD CURRENT (A)
Figure 29.
Load Transient V_OUT = 3.3V
COUT = 10 F 10V 0805 X5R
30 mV/Div
OUTPUT VOLTAGE
500 mA/Div
250 MHz BW
LOAD CURRENT
500 µs/Div
Figure 31.
DC Current Limit V_OUT = 3.3V
1.5
1.4
TA= 85°C
1.3
1.2
1.1
1.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Figure 33.
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