74LV4799PW NXP Semiconductors, 74LV4799PW Datasheet - Page 12

• Manufacturer Part Number: 74LV4799PW
• Description: Timers & Support Products 3.3V TIMER NICD AND NIMH CHARGER
• Manufacturer: NXP Semiconductors

Specifications of 74LV4799PW

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Package Type: TSSOP
• Pin Count: 16
• Mounting: Surface Mount
• Mounting Style: SMD/SMT
• Package / Case: SOT-403
• Lead Free Status / RoHS Status: Compliant
• Other names: 74LV4799PW,112

Philips Semiconductors
1998 Apr 20
Timer for NiCd and NiMH chargers
Option A: At V
be directly biased by EN
100–240 VAC
12/24 VDC
L S
10
1
6
7
8
9
BYD13D
BYD13D
Figure 3. Application diagram of the 74LV4799 in combination with the high-voltage IC TEA1400.
VAC2
VAC1
PWR/LED
EN
C
33E
V in
TEA1400
1 F
CC > 2.0 V Q1 may
GND
DRN
SRC
VAT
VIC
S2
S1
14
15
1 F
4
5
7
20
16
15
14
13
12
11
V in
PWRS
SEL
SCAN
SCI
R C
1E
Figure 4. Inductive loader, showing the two options A and B.
10
2 2
R D
11
TR1
1.0 mH
R S I OSC
2 2
12
74LV4799
13
MOLLI/
10
SCO
6
Option B: At V
an extra NPN transistor (Q2)
LED
GND
1
TR1
12
8
16
3
V CC
V CC
EN
R C
DIS
10
16
CC < 2.0 V add
EN
EN
R D R S I OSC
11
PWRS
3
2
9
5
12
74LV4799
V in
13
A
B
Q2
4
SEL
7
GND
LED
8
Q1
1
DIS
R Z
9
Z 1
LOAD
LOAD
SV01648
battery
S
Product specification
74LV4799
SV01649