Sanyo EP91G, Брошюра

Страница: 13 / 15

23 24
■
Applications
unit: mm
SANYO: MFP8(225mil)
Combination system reset IC
■
Functions/Features
●
Reset circuit (output 1) that detects the input voltage
and provides a delay time of 200
μ
s
●
System reset circuit with switchable delay time of
25ms, 50ms, 100ms, and 200ms (output 2)
●
Low minimum operating voltage
●
Both reset 1 and reset 2 have hysteresis characteristics
Absolute maximum
ratings Input voltage
Total power
dissipation
Package Functions/Features
-0.3V to +12V 0.3W MFP8(225mil)
2-system reset IC with built-in 1.25V, and 4.2V reference voltages, delay
time 25ms, 50ms, 100ms, or 200ms switchable
Dedicated Reset Function ICs Dedicated Reset Function ICs
LA5623M LA5623M
Block Diagram
OUT1
INPUT
VREF
1.25V
VREF
4.2V
OUT2
Ct0 Ct1 GND MANUAL
RESET
VCC
10k Ω
10k Ω
+
-
+
-
Divider circuit
Reset circuit
Multiplexer
Drive block
OSC
7
2
1 8 4 3
5
6
1 4
8 5
5.0
0.63
6.4
0.15
0.35
1.27
(0.65)
4.4
(1.5)
1.7max
0.1
■
Applications
unit: mm
SANYO: VQFN12(2.0X2.0)
LED driver for use in cell phones
■
Functions/Features
●
Four main LED driver circuits
●
Supports two LED current modes
●
Compact package
●
Thermal shutdown function
Input voltage Channels Package Circuit Functions and Applications
3.0V to 4.5V 4ch VQFN12(2.0×2.0) LED driver for use in cell phones
LED Driver ICs LED Driver ICs
LV5215LF LV5215LF
Block Diagram
VCC1
IREF
MLED1 MLED2 MLED3 MLED4 VCC
IF
LED DRIVER
SWI SWO RT CTL GND
VBAT
IRT
ILED
R2
11k Ω
R1
110k Ω
Do Not Connect
Exposed Die-Pad
2.0
2.0
0.25
0.0NOM
(0.8)
0.85MAX
1 2
2 1
12
0.25
0.5 (0.5)
(1.0)
(1.0)
TOP VIEW SIDE VIEW
SIDE VIEW
BOTTOM VIEW