BELLING BL8532

BL8532
White LED PFM Step-Up DC-DC Converter
Outline:
Features:
Applications
Selection guide
BL8532 XX X XX
Pin configuration
Package
Description
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BL8532
Functional block diagram
Absolute maximum ratings:
Recommended operating conditions:
MIN
NOM
MAX
UNIT
*
*
* Suggestion
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BL8532
Electrical characteristics:
Symbol
Item
Test conditions
Reference data
Min
Typ.
Max
Unit
IFB
DD2
*5
noload
*6
LX
LXleak
leak
Stand-by current
CEH
threshold voltage
CEL
threshold voltage
OM
OM
Note:
6
.
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BL8532
Typical applications:
(
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BL8532
Detailed description:
V IFB
Iout
R1
R2
Iout
Vout
1
VIFB
Selection of the external components:
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BL8532
D
1
Vout Vin
Vout
Inductor Selection
L min
D(1 D) 2 RL
2f
D Vin
Lf
Vin
Im ax
(1 D) 2 RL
I
DVin
2 Lf
rL
Rload (1 D) 2
2
Capacitor Selection
r
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Vout
Vout
D
Rload Cf
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BL8532
Im ax RESR
Vout
r' r
3
Diode Selection
4
Input Capacitor
5
Resistor R1
R2 for output voltage detect
Vout
VIFB
(
6
Selection of L
R1
1
R2
Vout
1) R 2
VIFB
C and compensation capacitor C1
Vout
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L 2
I L Vout 2
C
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Vout
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BL8532
Test circuits:
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BL8532
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BL8532
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BL8532
Typical characteristic:
BL8532-20PSN Output Current VS. Input Voltage
BL8532-20PSN Efficiency VS. Input Voltage(Iout=100mA)
BL8532-20PSN Efficiency VS. Input Voltage(Iout=200mA)
BL8532-20PSN Efficiency VS. Input Voltage(Iout=300mA)
BL8532-20PSN Ripple Voltage VS. Input Voltage(Iout=100mA)
BL8532-20PSN Ripple Voltage VS. Input Voltage(Iout=200mA)
Input Voltage (V)
BL8532-20PSN Ripple Voltage VS. Input Voltage(Iout=300mA)
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BL8532
Package description:
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BL8532
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