UM608 Datasheet, PDF (4/4 Pages) Unisonic Technologies – CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER FOR BATTERY CHARGERS

UM608
Preliminary
LINEAR INTEGRATED CIRCUIT
„ TYPICAL APPLICATION CIRCUIT
NT 5D
EC35
FUS
x
AC
3 ^1N54
X2
AC
R12
150k
C7
R13 _10n
39k
C8
68µ _C2
FR206
D3
HER107
C2
47n
R17
UTC
22
M2
UC3842
N2AP817 VCC OUT
d
COMP _GND
R3 UTC
10k ^8N60
C5 ^R1
4.7n ^10k
R5
FB ^ISENSE
V_REF RT/CT
R7 9.1K
C4 C6
R18 910
C9
0.47n ^R19
910
3.6k
100n 4.7n
R14
10
C16
100µ
Rs
500m
DGND
D5 ER804
C14 R25
510p 47
C15
R26 _470µ
6.8k
FUSE2
BT+
5
+ _BT1
R9
30k
- ^48V
BT-
D7
Rsense
LED
0.1
DGND
D9 R15
d 10
BT-
R29
45.45k
org=21k
R34
R32 ^15k
1k _Q3
R10
500
BT+
UTC UM608
V_CC
INPUT
OUT2
V_CTRL
V_SENSE
OUT
OUT1 GND
R36
100k
C13
10µ
R23
5.1k ^R6
3.6k
LED LED
D4 D8
N5AP817_1
d
R28
2k
Comp1_1
22p
Rcomp2 Comp2
22k 2.2n
Comp1 Rcomp1
2.2n 470k
R_A
120k Qc
R_B
1k
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R105-043.a