Sanken Electric Co SAI05 Datasheet
SAI Series
Switching Type
Features
● Surface-mount package with high output and
efficiency
● Requires only 4 external components
● Phase correction and output voltage adjustment
performed internally
● Built-in reference oscillator (60 kHz)
● Built-in overcurrent and thermal protection circuits
Applications
● For power supplies in telephone sets
● For power supplies in office equipment
Surface-mount and Separate Excitation Type
■Lineup
Type No. VO (V) IO (A)
SAI01 5
SAI02 3.3
SAI03 12
SAI04 15
SAI05 13
SAI06 9
External View
0.5
0.4
■Absolute Maximum Ratings
Parameter Symbol Ratings Unit
DC Input Voltage VIN 35 V
Power Dissipation PD 0.75 W
Junction Temperature Tj +125 °C
Storage Temperature Tstg –40 to +125 °C
SW Terminal Applied Reverse Voltage VSW –1 V
Thermal Resistance* (junction-to-case) Rth(j-c) 20 °C/W
* Refer to Outline Drawing for the case temperature measuring points.
■Recommended Operating Conditions
Parameter Symbol
DC Input Voltage Range VIN
Output Current Range IO
Operating Junction Temperature Range Tjop –30 to +125 °C
SAI01 SAI02 SAI03 SAI04 SAI05 SAI06
7 to 33 5.3 to 33 15 to 33 18 to 33 16 to 33 12 to 33
0 to 0.5 0 to 0.4 A
Ratings
Unit
V
5
SAI Series
■Electrical Characteristics
Ratings
Parameter Symbol SAI01 SAI02 SAI03 SAI04 SAI05 SAI06 Unit
min typ max min typ max min typ max min typ max min typ max min typ max
VO
Output Voltage V
Condition
Efficiency %
Condition
Switching Frequency kHz
Condition
Line Regulation mV
∆VOLINE
Condition
Load Regulation mV
∆VOLOAD
Condition
Temperature Coefficient
of Output Voltage
Ripple Rejection dB
∆Vo/∆T
RREJ
Condition
Overcurrent Protection
Starting Current
Condition
4.80 5.00 5.20 3.17 3.30 3.43 11.40 12.00 12.60 14.25 15.00 15.75 12.35 13.00 13.65 8.55 9.00 9.45
VIN=20V, IO=0.3A VIN=15V, IO=0.3A VIN=24V, IO=0.3A VIN=27V, IO=0.3A VIN=25V, IO=0.3A VIN=21V, IO=0.3A
η
80 75 88 89 88 86
VIN=20V, IO=0.3A VIN=15V, IO=0.3A VIN=24V, IO=0.3A VIN=27V, IO=0.3A VIN=25V, IO=0.3A VIN=21V, IO=0.3A
f
60 60 60 60 60 60
VIN=20V, IO=0.3A VIN=15V, IO=0.3A VIN=24V, IO=0.3A VIN=27V, IO=0.3A VIN=25V, IO=0.3A VIN=21V, IO=0.3A
80 100 60 80 100 130 100 130 100 130 90 110
VIN=10 to 30V, IO=0.3A VIN=8 to 30V, IO=0.3A VIN=18 to 30V, IO=0.3A VIN=21 to 30V, IO=0.3A VIN=19 to 30V, IO=0.3A VIN=15 to 30V, IO=0.3A
30 40 20 30 70 95 90 120 75 100 50 80
VIN=20V, IO=0.1 to 0.4A VIN=15V, IO=0.1 to 0.4A VIN=24V, IO=0.1 to 0.4A VIN=27V, IO=0.1 to 0.4A VIN=25V, IO=0.1 to 0.4A VIN=21V, IO=0.1 to 0.4A
±0.5 ±0.5 ±1.5 ±1.5 ±1.5 ±1.0
45 45 45 45 45 45
f=100 to 120Hz
IS
0.55 0.55 0.45 0.45 0.45 0.45
VIN=10V VIN=8V VIN=18V VIN=21V VIN=19V VIN=15V
mV/°C
A
■Outline Drawing (unit:mm)
max.
2 SW
±0.2
max.
IN
1V
4.7
4.32
±0.5
±0.2
+0.15
–0.05
0.3
0~0.1
±0.2
±0.3
a. Type
b. Lot number
A Case temperature
measuring point
Terminal Connections
(1)Input
(2)Switching output
(3)Output Voltage
Detection
(4)Ground
OS
3V
±0.25
±0.15
2.54
0.89
1.0
+0.15
0.26
±0.3
–0.05
0.75
A
4
.GND
ab
6.8
8.0
6.3
3.0
9.8
Plastic Mold Package Type
Flammability: UL94V-0
Weight: Approx. 0.22 g
3.6
4.0
■Block Diagram
±0.2
1.4
±0.2
max.
VIN
Osc
Reg.
Comp.
4
GND
Reset
Amp.
V
Ocp
REF
Drive
TSD
21
SW
3
V
OS
6
Loading...