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Ty
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P
roduct structur
e
2
014 ROHM Co
Z
22111・14・
w
w.rohm.com
o
ntroller ty
p
A
uto
m
B
uck
-
B
D9035AE
e
neral Descri
p
The BD903
5
with a high
(VIN=3.8~3
0
with one i
n
switching fr
e
range (Ta=-
4
controlled
b
has a high
e
regulators
e
a
tures
Power s
u
Automati
c
±7% Hig
h
(Ta=-40°
C
PLL circu
100kHz~
6
Two-stag
resistor
Various
p
Undervol
t
constant
AEC-Q1
0
p
plications
Automoti
v
system,
L
p
ical Applica
：Silicon mon
o
o
., Ltd. All rights
0
01
p
e switchin
g
m
atic
a
-
Boo
s
F
V
-C
p
tion
5
AEFV-C is a
withstand v
o
0
V) capable
o
n
ductor. The
e
quency for t
h
4
0°C~+125°
C
b
uck-boost sy
s
e
r efficiency
c
e
mploying Se
p
u
pply voltage:
c
ally controlle
h
accuracy s
w
C
~+125°C).
it for external
6
00kHz
e overcurrent
p
rotection fun
c
t
age, overvolt
output monit
o
0
0 Qualified
v
e micro cont
r
L
CD TV, PDP
tion Circuit
o
lithic integrate
d
reserved.
g
regulator
w
a
lly
C
s
t S
w
buck-boost s
w
o
ltage and a
o
f generating
IC has a ±
7
h
e entire ope
r
C
). Because o
f
s
tem the BD
9
c
ompared to
p
ic or H-Bridg
e
40V (maximu
m
d buck-boost
w
itching frequ
e
synchronizati
protection th
r
c
tions
age output d
e
o
r pin (PGOO
D
r
oller, car aud
TV, DVD, PC
,
Figur
e
d
circuit ○Thi
w
ith high fr
e
C
ont
r
w
itchi
w
itching cont
r
wide input r
a
buck-boost o
u
% high acc
u
r
ating temper
a
f
the automati
9
035AEFV-C
regular swit
c
e
systems.
m
rating)
system.
e
ncy
on:
ough one ext
e
e
tection circuit
D
)
i
o and naviga
t
etc.
e
2. Typical a
p
i
s product is no
t
1/23
e
quency, hi
g
r
olle
d
ng R
e
r
oller
a
nge
u
tput
u
racy
a
ture
cally
also
c
hing
e
rnal
&
t
ion
Ke
y
Pa
c
p
plication circ
u
t
designed for p
g
h accurac
y
d
e
gul
a
y
Specificati
o
Input voltag
e
Oscillation f
Reference
v
Circuit curr
e
Operating t
e
c
kage
HTSSOP-B
2
u
it diagram
rotection again
s
TSZ
0
y
external F
E
a
tor
o
ns
e
range:
r
equency:
v
oltage accur
a
e
nt at shutdo
w
e
mperature ra
2
4
Figure 1. H
T
s
t radioactive r
a
02201-0T1
T
19.Feb
Data
E
T
(Initial startu
100
a
cy:
w
n:
a
nge: -
4
W(Typ.) x D
(
7.80mm x 7.
T
SSOP-B24
a
ys
T
0AL001 10-1
.2014 Rev.0
0
Data
sh
eet
3.8V to 30
V
p is over 4.5
V
kHz to 600kH
0.8V±1.5
%
0μA (Typ
.
4
0℃ to +125
℃
(
Typ.) x H(Ma
x
60mm x 1.00
m
-2
0
2
eet
V
V
)
z
%
.
)
℃
x
.)
m
m
Datasheet
Datasheet
2/23
TSZ02201-0T1T0AL00110-1-2
© 2014 ROHM Co., Ltd. All rights reserved.
19.Feb.2014 Rev.002
www.rohm.com
TSZ22111・15・001
BD9035AEFV-C
Pin Configuration
Pin Description
Pin No. Symbol Function Pin No. Symbol Function
１ GND Ground pin 13 VCCCL Overcurrent detection setting pin 1
2 TEST Test pin 14 EN Output ON/OFF pin
3 VDD NchFET drive supply pin 15 VREG5 5V internal power supply pin
4 OUTL NchFET drive pin 16 VREG3 3.5V internal power supply pin
5 PGND Power GND pin 17 PGOOD Power good output pin
6 N.C. Not connected 18 COMP Error-amp output pin
7 VL PchFET gate clamp pin 19 FB Feedback pin
8 N.C. Not connected 20 OVPLVL Overvoltage detection setting pin
9 OUTH PchFET drive pin 21 SS Soft start time setting pin
10 N.C. Not connected 22 RT Frequency setting pin
11 VCC Power supply pin 23 SYNC
External synchronization pulse
input pin
12 CL Overcurrent detection setting pin 2 24 CLKOUT Clock pulse output pin
Figure 3. Pin configuration
(TOP VIEW)
GND
TEST
VDD
OUTL
PGND
N.C.
VL
N.C.
OUTH
N.C.
VCC
CL VCCCL
EN
VREG5
VREG3
PGOOD
COMP
FB
OVPLVL
SS
RT
SYNC
CLKOUT