Datasheet

Electrical characteristics SPV1040
6/15 DocID18080 Rev 5
4 Electrical characteristics
VMPP-SET = 0.5 V, V
CTRL
= I
ctrl+
= I
ctrl-
= GND, XSHUT = 0.5 V, T
J
= -40 °C to 125 °C,
unless otherwise specified.
Table 5. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
Input source section
V
MPP-SET
Low boost voltage
threshold
V
OUT
= 3.3V 0.4 0.45 0.50 V
I
q
Quiescent current I
LOAD
=0mA, V
CTRL
=2V, V
OUT
=3.3V, 60 80 μA
I
SD
Shutdown current
V
OUT
= 3.3V, V
CTRL
=2V,
I
LOAD
= 0mA, XSHUT = GND
0.7 5 μA
I
rev
Reverse input source
current
V
MPP-SET
=-4V, V
OUT
= 1.5V 1 5 μA
V
UVLO
Undervoltage lockout
threshold for turn ON
@V
OUT
= 3.3V
V
MPP-SET
increasing 0.27 0.34 V
Undervoltage lockout
threshold for turn OFF
@V
OUT
= 3.3V
V
MPP-SET
decreasing 0.14 0.24 V
Power section
R
DS_ON-N
N-channel power
switch ON resistance
120 mΩ
R
DS_ON-P
P-channel
synchronous rectifier
ON resistance
V
CTRL
=2V 140 mΩ
Control section
V
MPPT-THR
MPPT-mode threshold Vout increasing, V
MPP-SET
= 1.5V 1.7 1.8 2 V
V
OUT
Output voltage range V
MPP-SET
≥ 1.5V 2 5.2
(1)
V
P
OUT
(2)
Maximum output
power
V
MPP-SET
≥ 1.5V 3 W
I
Lx
Maximum inductor
current peak
1.5 1.65 1.8 A
F
PWM
PWM signal frequency 70 100 130 kHz
V
REF
Internal V
CTRL
reference voltage
V
OUT
≥ 1.8V, V
CTRL
increasing 1.2 1.25 1.3 V
V
Ictrl
Sensing current offset I
CTRL
+ - I
CTRL
- decreasing 40 50 60 mV
XSHUT
XSHUT logic LOW XSHUT increasing 0.27 0.34 V
XSHUT logic HIGH XSHUT decreasing 0.14 0.24 V
Thermal shutdown