CY8CLED08_11 Datasheet, PDF (21/52 Pages) Cypress Semiconductor – EZ-Color™ HB LED Controller Binning compensation

CY8CLED08
7.3.6 DC Switch Mode Pump Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75 V to 5.25 V
and –40 °C  T_A  85 °C, or 3.0 V to 3.6 V and –40 °C  T_A  85 °C, respectively. Typical parameters are measured at to 5 V and 3.3 V
at 25 °C and are for design guidance only.
Table 7-6. DC Switch Mode Pump (SMP) Specifications
Symbol
Description
Min
V_PUMP 5 V
5 V output voltage
4.75
V_PUMP 3 V
3 V output voltage
3.00
I_PUMP
Available output current
V_BAT = 1.5 V, V_PUMP = 3.25 V
8
V_BAT = 1.8 V, V_PUMP = 5.0 V
5
V_BAT5V
Input voltage range from battery
1.8
V_BAT3V
Input voltage range from battery
1.0
V_BATSTART
Minimum input voltage from battery to start 1.1
pump
V_{PUMP_Line} Line regulation (over V_BAT range)
–
V_{PUMP_Load} Load regulation
–
V_{PUMP_Ripple} Output voltage ripple (depends on
–
capacitor/load)
E₃
Efficiency
35
F_PUMP
Switching frequency
–
DC_PUMP
Switching duty cycle
–
Typ
5.0
3.25
–
–
–
–
–
5
5
100
50
1.3
50
Max Units
Notes
5.25
V Configured as in Note 5. Average,
neglecting ripple. SMP trip voltage
is set to 5.0 V.
3.60
V Configured as in Note 5. Average,
neglecting ripple. SMP trip voltage
is set to 3.25 V.
Configured as in Note 5. SMP trip
–
mA voltage is set to 3.25 V.
–
mA SMP trip voltage is set to 5.0 V.
5.0
V Configured as in Note 5. SMP trip
voltage is set to 5.0 V.
3.3
V Configured as in Note 5. SMP trip
voltage is set to 3.25 V.
–
V Configured as in Note 5.
–
%V_O Configured as in Note 5. V_O is the
“V_DD Value for PUMP Trip”
specified by the VM[2:0] setting in
the DC POR and LVD
Specification, Table 7-8 on
page 29.
–
%V_O Configured as in Note 5. V_O is the
“V_DD Value for PUMP Trip”
specified by the VM[2:0] setting in
the DC POR and LVD
Specification, Table 7-8 on
page 29.
– mVpp Configured as in Note 5. Load is
5 mA.
–
% Configured as in Note 5. Load is
5 mA. SMP trip voltage is set to
3.25 V.
–
MHz
–
%
Note
5. L1 = 2 H inductor, C1 = 10 F capacitor, D1 = Schottky diode.
Document Number: 001-12981 Rev. *J
Page 21 of 52