AN8049SH-E1 Panasonic - SSG, AN8049SH-E1 Datasheet - Page 11

• Manufacturer Part Number: AN8049SH-E1
• Description: IC MULTI CONFIG 40MA SSOP24D
• Manufacturer: Panasonic - SSG
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of AN8049SH-E1

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 3
• Current - Output: 40mA
• Frequency - Switching: 20kHz ~ 1MHz
• Voltage - Input: 1.8 ~ 14 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Power - Output: 146mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Other names: AN8049SHE1; AN8049SHE1TR

I Usage Notes
[1] Allowable power dissipation
[2] Allowable V
1. Since the power dissipation (P) in this IC increases proportionally with the supply voltage, applications must be careful
2. If the IC is shorted to ground, shorted to V
biased by V
output is shorted.
ripple filter in the V
as close to the IC as possible.
may differ depending on the actual system of the power supply circuit. Also note that this allowable range is a design
target, and is not guaranteed by testing of all samples.
to operate so that the loss does not exceed the allowable power dissipation, P
components will be destroyed.
V
The figure shows the allowable range for V
Note that the allowable range shown here is the result of testing the IC independently, and that the allowable range
CC
Reference formula:
P = (V
ripple due to the switching transistor being turned on and off can cause this IC's U.V.L.O. circuit, which is
< P
CC
V
I
Du
V
I
Du
V
I
Du
I
SO(OUT)1
SO(OUT)2
OUT3
CC
D
BEQ1
BEQ2
O(SAT)3
, to operate incorrectly, and can cause the S.C.P. capacitor charging operation to fail to start when the
CC
1
2
3
CC
−V
ripple
CC
BEQ1
: The voltage between the base and emitter of the channel 1 npn transistor
: The OUT1 pin output source current
: The output 1 on-duty
: The voltage between the base and emitter of the channel 2 npn transistor
: The OUT2 pin output source current
: The output 2 on-duty
: The OUT3 pin saturation voltage (0.5 V maximum when I
: The OUT3 pin current (This will be {V
: The output 3 on-duty
: The V
(This is set by the resistor connected to the RB1 pin. When R
maximum.)
(This is set by the resistor connected to the RB2 pin. When R
maximum.)
line or by inserting a capacitor between the IC GND and V
) × I
100k
10M
10k
1M
CC
0
SO(OUT)1
pin current
1
× Du
Allowable range
when V
V
1
2
CC
+ (V
ripple voltage V
Allowable V
CC
CC
is 3 V.
CC
CC
3
ripple. Applications should reduce V
SDH00012BEB
− V
, or inserted incorrectly, either the device itself or peripheral
Allowable range
when V
BEQ2
4
CC
CC
CC
) × I
is 10 V.
(AC) (V[p-p])
ripple
CC
5
SO(OUT)2
− V
BEQ3
6
× Du
− V
D
7
, for the package. See the P
2
O(SAT)3
+ V
OUT3
CC
B
B
O(SAT)3
is 1 kΩ, I
is 1 kΩ, I
8
}/R
pins and locating that capacitor
is 40 mA.)
CC
O3
× I
ripple either by inserting a
.)
OUT3
SO(OUT)1
SO(OUT)2
× Du
AN8049SH
will be 34 mA,
will be 34 mA,
D
3
+ V
 T
CC
a
curve.
× I
11
CC