STMICROELECTRONICS RHFL4913ESY3306V

RHFL4913XX15 - RHFL4913XX25
RHFL4913XX33 - RHFL4913XX50
Rad-hard positive fixed voltage regulator
Features
■
2 and 3 A low dropout voltage
■
Embedded overtemperature, overcurrent
protections
■
Adjustable current limitation
■
Output overload monitoring/signalling
■
Fixed 1.5 V, 2.5 V; 3.3 V; 5.0 V output voltages
■
Inhibit (ON/OFF) TTL-compatible control
■
Programmable output short-circuit current
■
Remote sensing operation
■
Rad-hard: tested up to 300 krad Mil Std 883E
Method 1019.6 and low dose rate conditions
■
Heavy ion, SEL, and SEU immune; able to
sustain 2x1014 protons/cm2 and 2x1014
neutrons/cm2
Description
SMD.5
Flat-16
TO-257
Available into various hermetic ceramic packages,
it is specifically intended for space and harsh
radiation environments. Input supply range is up
to 12 V.
RHFL4913 fixed is QML-V qualified, DSCC SMD
are 5962F02534 / 02535 / 02536.
The RHFL4913 fixed is a high performance Radhard positive voltage regulator family.
Figure 1.
August 2008
Block diagram for package SMD.5 and TO-257
Rev 8
1/19
www.st.com
19
Contents
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Contents
1
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
4
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5
Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6
5.1
Low pin count package limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2
SENSE pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.3
Inhibit ON-OFF control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.4
Overtemperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.5
Overcurrent protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.6
OCM pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.7
Alternate to . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.1
7
Remote sensing operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Notes about Flat-16 package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.1
Radiation performances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7.2
Die information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
9
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
1
Diagram
Figure 2.
Block diagram for package Flat-16
Diagram
3/19
Pin configuration
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
2
Pin configuration
Figure 3.
Pin configuration (top view for Flat-16, bottom view for SMD.5)
Flat-16
SMD.5
TO-257
Table 1.
4/19
Pin description
Pin name
Flat-16
SMD.5
TO-257
VO
1, 2, 6, 7
1
3
VI
3, 4, 5
2
1
GND
13
3
2
ISC
8
OCM
10
INHIBIT
14
SENSE
16
NC
9, 11, 12, 15
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
3
Maximum ratings
Table 2.
Absolute maximum ratings (1)
Symbol
Maximum ratings
Parameter
Value
Unit
14
V
VI
DC input voltage, VI - VGROUND
IO
Output current
PD
TC = 25°C power dissipation
TSTG
Storage temperature range
-65 to +150
°C
TOP
Operating junction temperature range
-55 to +150
°C
+150
°C
TJ
ESD
RHFL4913S, ESY
3
RHFL4913KP
2
KP, S Versions
15
ESY Version
10
A
Junction temperature
W
(2)
Electrostatic discharge capability
Class 3
1. Exceeding maximum ratings may damage the device.
2. Internally limited to about maximum +175 °C by thermal shutdown circuit.
Table 3.
Symbol
Thermal data
Parameter
RthJC
Thermal resistance junction-case max.
TSOLD
Maximum soldering temperature, 10 sec.
Flat-16
TO-257
SMD.5
Unit
8.3
12.5
8.3
°C/W
300
°C
5/19
Electrical characteristics
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
4
Electrical characteristics
Table 4.
Electrical characteristics
(TJ = 25 °C, VI = VO+2.5 V, CI = CO = 1 µF, unless otherwise specified)
Symbol
Parameter
Test conditions
VI
Operating input voltage
IO = 2 A (Flat-16) or 3A (SMD.5 & TO-257)
VO
Output voltage accuracy VI = VO+2.5V, IO = 5mA
ISHORT
Output current limit (1)
Min.
Typ.
-2
Adjustable by mask/external resistor
Max.
Unit
12
V
2
%
4.5
A
VO
Operating output voltage IO = 2 A, 1.5 V output voltage
1.47
1.53
V
VO
Operating output voltage IO = 2 A, 2.5 V output voltage
2.45
2.55
V
VO
Operating output voltage IO = 2 A, 3.3 V output voltage
3.23
3.37
V
VO
Operating output voltage IO = 2 A, 5.0 V output voltage
4.9
5.1
V
VI = VO+2.5V to 12 V, IO = 5mA (+25°C)
0.3
%
VI = VO+2.5V to 12 V, IO = 5mA (-55°C)
0.4
%
VI = VO+2.5V to 12 V, IO = 5mA (+125°C)
0.4
%
VI = VO+2.5V, IO = 5mA to 400 mA
(+25°C)
0.2
%
VI = VO+2.5V, IO = 5mA to 400 mA (-55°C)
0.3
%
VI = VO+2.5V, IO = 5mA to 400 mA
(+125°C)
0.3
%
VI = VO+2.5V, IO = 5mA to 1A (+25°C)
0.3
%
VI = VO+2.5V, IO = 5mA to 1A (-55°C)
0.4
%
VI = VO+2.5V, IO = 5mA to 1A (+125°C)
0.4
%
ΔVO/ΔVI
Line regulation
ΔVO/ΔVO Load regulation
ZOUT
Iq
Iq
6/19
Output impedance
Quiescent current
Quiescent current
IO = 100 mA DC and 20 mA rms
100
mΩ
VI = VO+2.5V, IO = 30mA, on mode
8
VI = VO+2.5V, IO = 300mA, on mode
25
VI = VO+2.5V, IO = 1A, on mode
60
VI = VO+2.5V, IO = 3A, on mode
(only for SMD.5 and TO-257)
150
VI = VO+2V, VINH = 2.4V, off mode
1
VI =VO+2.5V, IO=1A, TJ=+125°C, on mode
40
VI =VO+2.5V, IO=1A, TJ=-55°C, on mode
100
mA
mA
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Table 4.
Electrical characteristics (continued)
(TJ = 25 °C, VI = VO+2.5 V, CI = CO = 1 µF, unless otherwise specified)
Symbol
Vd
Parameter
Test conditions
Dropout voltage
Typ.
Max.
IO = 400mA, TJ = -55°C
300
400
IO = 400mA, TJ = +25°C
350
450
IO = 400mA, TJ = +125°C
450
550
550
IO = 1A, TJ = +25°C
650
IO = 1A, TJ = +125°C
800
750
IO = 2A, TJ = +125°C
950
VINH(OFF) Inhibit voltage
IO = 5mA, TJ= -55 to 125°C
ISH
VOCM
tPLH
tPHL
eN
0.8
60
70
f = 33kHz
30
40
Shutdown input current
VINH = 5 V
OCM pin voltage
Sinked IOCM = 24 mA active low
Output noise voltage
(1)
V
f = 120Hz
VI = VO+2.5V ± 1V, IO = 5mA
(1)
V
2.4
(1)
Inhibit propagation delay
Unit
mV
IO = 2A, TJ = +25°C
IO = 5mA, TJ= -55 to 125°C
Supply voltage rejection
Min.
IO = 1A, TJ = -55°C
VINH(ON) Inhibit voltage
SVR
Electrical characteristics
dB
VI = VO+2.5V, VINH = 2.4 V, IO = 400 mA
B= 10Hz to 100kHz, IO = 5mA to 2A
15
µA
0.38
V
on-off
20
µs
off-on
100
µs
40
µVrms
1. This value is guaranteed by design. For each application it’s strongly recommended to comply with the maximum current
limit of the package used.
Figure 4.
Application diagram for remote sensing operation
7/19
Device description
5
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Device description
The RHFL4913 fixed voltage contains a PNP type power element controlled by a signal
resulting from amplified comparison between the internal temperature compensated bandgap cell and the fraction of the desired output voltage value. This fractional value is obtained
from an internal-to-die resistor divider bridge set by STMicroelectronics. The device is
protected by several functional blocks.
5.1
Low pin count package limitations
Some functions (INHIBIT, OCM, SENSE) are not available due to lack of pins.
Corresponding die pads are by default connected inside silicon.
5.2
SENSE pin
The load voltage is applied by a Kelvin line connected to SENSE pin: Voltage feed-back
comes from the internal divider resistor bridge. Therefore possible output voltages are set
by manufacturer mask metal options. SENSE pin is not available in 3pin packages.
5.3
Inhibit ON-OFF control
By setting INHIBIT pin TTL-high, the device switches off the output current and voltage. The
device is ON when INHIBIT pin is set low. Since INHIBIT pin is internally pulled down, it can
be left floating in case inhibit function is not utilized. INHIBIT pin is not available in 3pin
packages.
5.4
Overtemperature protection
A temperature detector internally monitors the power element junction temperature. The
device goes OFF at approx. 175 °C, returning to ON mode when back to approx. 40 °C. It is
worth noting that when the internal temperature detector reaches 175 °C, the active power
element can be at 225 °C: device reliability cannot be granted in case of extensive operation
under these conditions.
5.5
Overcurrent protection
ISC pin. An internal non-fold back short-circuit limitation is set with ISHORT > 3.8 A (VO is 0
V). This value can be reduced by an external resistor connected between ISC pin and VI pin,
with a typical value range of 10 kΩ to 200 kΩ. This adjustment feature is not available in 3
pin packages. To keep excellent VO regulation, it is necessary to set ISHORT 1.6 times
greater than the maximum desired application IO. When IO reaches ISHORT – 300 mA, the
current limiter overrules regulation and VO starts to drop and the OCM flag is risen. When no
current limitation adjustment is required, ISC pin must be left unbiased (as it is in 3 pin
packages).
8/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
5.6
Device description
OCM pin
Goes low when current limiter starts to be active, otherwise VOCM = VI. It is bufferized and
can sink 10 mA. OCM pin is internally pulled-up by a 5 kΩ resistor. Not available in 3 pin
packages.
5.7
Alternate to
RHFL4913 fixed (& custom) voltages replace all 3-terminal industry devices, providing
essential benefits
- Lower drop-out
- High radiation performance
- Better SVR
- Saving the high stability external setting resistors.
9/19
Application information
6
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Application information
The RHFL4913 fixed voltage is functional as soon as VI-VO voltage difference is slightly
above the power element saturation voltage. A minimum 0.5 mA IO ensures perfect “noload” regulation.
All available VI pins must always be externally interconnected, same thing for all available
VO pins, otherwise device stability and reliability cannot be granted. All NC pins can be
connected to ground. The INHIBIT function switches off the output current in an electronic
way, that is very quickly. According to Lenz’s Law, external circuitry reacts with –LdI/dt terms
which can be of high amplitude in case some series-inductance exists. The effect would be
a large transient voltage developed on both device terminals. It is necessary to protect the
device with Schottky diodes preventing negative voltage excursions. In the worst case, a 14
V Zener diode shall protect the device input.
The device has been designed for high stability and low drop out operation: minimum 1 µF
input and output tantalum capacitors are therefore mandatory. Capacitor ESR range is from
0.5 Ω to over 20 Ω. Such range turns out to be useful when ESR increases at low
temperature. When large transient currents are expected, larger value capacitors are
necessary.
In case of high current operation with expected short-circuit events, caution must be
considered relatively to capacitors. They must be connected as close as possible to device
terminals. As some tantalum capacitors may permanently fail when submitted to high
charge-up surge currents, it is recommended to decouple them with 470 nF polyester
capacitors.
Being RHFL4913 fixed voltage manufactured with very high speed bipolar technology 6 GHz
fT transistors), the PCB lay-out must be performed with extreme care, very low inductance,
low mutually coupling lines, otherwise high frequency parasitic signals may be picked-up by
the device resulting into self-oscillation. User’s benefit is a SVR performance extended to far
higher frequencies.
6.1
Remote sensing operation
In case the load is located far from the regulator, it is recommended to comply with the
scheme below. To obtain the best regulation, it is in addition essential to care about:
– The wire connecting R2 to the load end must not be crossed by the load current
(Kelvin sense).
The noise captured by the wires between the load and the chip could bring a noisy output
voltage. In case this happens, it is recommended that shielded cables are used for these
connections. The external wrap must be used for connecting the ground of the chip with the
load ground. It is also recommended to place 1 µF tantalum capacitors between output and
ground close to the device and another next to the load.
10/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
7
Notes about Flat-16 package
Notes about Flat-16 package
The bottom of package is metallized to allow user to directly solder the voltage regulator to
the equipment heater, in order to optimize heat removal performance.
7.1
Radiation performances
The RHFL4913F has been tested against: 300krad TID ELDERS in accordance with Mil1019.6, bipolar section: post radiation parameters are within datasheet pre-rad limits.
Submitted to 200MeV Iodine ions of 60.4MeV/cm2/mg LET up to 1exp(+7) ions / cm2, no
SEL event has been detected.
7.2
Die information
RHFL4913 fixed is also available in die form. Space dice are electrically tested by
STMicroelectronics in such a way that, when mounted in proper thermal and electrical
substrate, they provide full compliance with equivalent packaged product.
- Max die dimensions: 2.794 mm by 3.861 mm or 110 mils by 152 mils
- Die thickness: 357 µm +/- 50 µm
- Pad size: 184 µm by 184 µm
- Metallization: Aluminum 4% silicon alloy
- Die backside: Bare silicon
- Die backside potential: Ground
Figure 5.
Die size
(*) Die SENSE pad is active in RHFL4913 fixed die. It shall not be left unbonded. It should be bonded to VO pin.
(**) Die adjust pad is available in the die lay-out but is not electrically connected to the IC. It shall be left
unconnected during hybrid bonding.
11/19
Package mechanical data
8
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
12/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Package mechanical data
Flat-16 (MIL-STD-1835) mechanical data
mm.
inch.
Dim.
Min.
A
Typ.
2.16
Max.
Min.
2.72
0.085
Typ.
0.107
b
0.43
0.017
c
0.13
0.005
D
9.91
0.390
E
6.91
0.272
E2
4.32
0.170
E3
0.76
0.030
e
1.27
0.050
L
6.72
0.265
Q
0.66
S1
0.13
Max.
1.14
0.026
0.045
0.005
b
e
c
L
E3
9
16
E
E2
1
8
E3
L
S1
D
Q
A
7450901A
13/19
Package mechanical data
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
SMD.5 mechanical data
Dim.
mm.
inch.
Min.
Typ.
Max.
Min.
Typ.
Max.
A
2.84
3.00
3.15
0.112
0.118
0.124
A1
0.25
0.38
0.51
0.010
0.015
0.020
b
7.13
7.26
7.39
0.281
0.286
0.291
b1
5.58
5.72
5.84
0.220
0.225
0.230
b2
2.28
2.41
2.54
0.090
0.095
0.100
b3
2.92
3.05
3.18
0.115
0.120
0.125
D
10.03
10.16
10.28
0.395
0.400
0.405
D1
0.76
E
7.39
0.296
0.301
e
0.030
7.52
1.91
7.64
0.291
0.075
7386434B
14/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Package mechanical data
TO-257 mechanical data
Dim.
mm.
Min.
Typ.
inch.
Max.
Min.
Typ.
A
10.54
0.415
B
10.54
0.415
C
16.64
0.655
D
4.7
E
F
5.33
0.185
1.02
3.56
3.68
0.210
0.40
3.81
0.140
0.145
G
13.51
0.532
H
5.26
0.207
I
0.76
0.030
J
3.05
0.120
K
2.54
0.100
L
M
15.2
16.5
2.29
N
R
0.598
0.150
0.650
0.090
0.71
1.65
Max.
0.028
0.065
0117268C
15/19
Ordering information
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
9
Ordering information
Table 5.
Order codes
Flat-16
SMD.5
TO-257
Terminal
finish
Out.
volt.
RHFL4913KP15-01V
RHFL4913S15-03V
RHFL4913ESY1505V
GOLD
1.5 V
RHFL4913KP15-02V
RHFL4913S15-04V
RHFL4913ESY1506V
SOLDER
1.5 V
RHFL4913KP151
RHFL4913S151
RHFL4913ESY151
GOLD
1.5 V
EM1
RHFL4913KP152
RHFL4913S152
RHFL4913ESY152
GOLD
1.5 V
EM1=EM2
+48h B.I.
L491315DIE2V
NA
1.5 V
L491315DIE2S
NA
1.5 V
EM1
DIE
Q.ty level
RHFL4913KP25-01V
RHFL4913S25-03V
RHFL4913ESY2505V
GOLD
2.5 V
QML-V
RHFL4913KP25-02V
RHFL4913S25-04V
RHFL4913ESY2506V
SOLDER
2.5 V
QML-V
RHFL4913KP251
RHFL4913S251
RHFL4913ESY251
GOLD
2.5 V
EM1
RHFL4913KP252
RHFL4913S252
RHFL4913ESY252
GOLD
2.5 V
EM1=EM2
+48h B.I.
L491325DIE2V
NA
2.5 V
QML-V
L491325DIE2S
NA
2.5 V
EM1
RHFL4913KP33-01V
RHFL4913S33-03V
RHFL4913ESY3305V
GOLD
3.3 V
QML-V
RHFL4913KP33-02V
RHFL4913S33-04V
RHFL4913ESY3306V
SOLDER
3.3 V
QML-V
RHFL4913KP331
RHFL4913S331
RHFL4913ESY331
GOLD
3.3 V
EM1
RHFL4913KP332
RHFL4913S332
RHFL4913ESY332
GOLD
3.3 V
EM1=EM2
+48h B.I.
L491333DIE2V
NA
3.3 V
QML-V
L491333DIE2S
NA
3.3 V
EM1
RHFL4913KP50-01V
RHFL4913S50-03V
RHFL4913ESY5005V
GOLD
5.0 V
QML-V
RHFL4913KP50-02V
RHFL4913S50-04V
RHFL4913ESY5006V
SOLDER
5.0 V
QML-V
RHFL4913KP501
RHFL4913S501
RHFL4913ESY501
GOLD
5.0 V
EM1
RHFL4913KP502
RHFL4913S502
RHFL4913ESY502
GOLD
5.0 V
EM1=EM2
+48h B.I.
L491350DIE2V
NA
5.0 V
QML-V
L491350DIE2S
NA
5.0 V
EM1
16/19
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
Table 6.
Ordering information
Part number - SMD equivalent
ST part number
SMD part number
RHFL4913KP15-02V
RHFL4913KP25-01V
5962F0253401VXC
RHFL4913KP25-02V
5962F0253401VXA
RHFL4913KP33-01V
5962F0253501VXC
RHFL4913KP33-02V
5962F0253501VXA
RHFL4913KP50-01V
5962F0253601VXC
RHFL4913KP50-02V
5962F0253601VXA
RHFL4913S25-03V
5962F0253402VYC
RHFL4913S25-04V
5962F0253402VYA
RHFL4913S33-03V
5962F0253502VYC
RHFL4913S33-04V
5962F0253502VYA
RHFL4913S50-03V
5962F0253602VYC
RHFL4913S50-04V
5962F0253602VYA
RHFL4913ESY2505V
5962F0253402VZC
RHFL4913ESY2506V
5962F0253402VZA
RHFL4913ESY3305V
5962F0253502VZC
RHFL4913ESY3306V
5962F0253502VZA
RHFL4913ESY5005V
5962F0253602VZC
RHFL4913ESY5006V
5962F0253602VZA
L491325DIE2V
5962F0253402V9A
L491333DIE2V
5962F0253502V9A
L491350DIE2V
5962F0253602V9A
Note:
3 V version is available on request.
Table 7.
Environmental characteristics
Parameter
Conditions
Value
Unit
Output voltage thermal drift
-55°C to +125°C
40
ppm/°C
Output voltage radiation drift
From 0 krad to 300 krad at 0.55 rad/s
8
ppm/krad
Output voltage radiation drift
From 0 krad to 300 krad, Mil Std 883E Method
1019.6
6
ppm/krad
17/19
Revision history
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
10
Revision history
Table 8.
Document revision history
Date
Revision
05-May-2004
4
Mistake in pin description SMD.5 on table 3.
28-Oct-2004
5
New order codes added - tables 4 and 5.
27-May-2005
6
The features, tables 4, 5 and the figures 1, 2 updated.
08-Jun-2005
7
Modified: PD on table 1, the RthJC for TO-257 on table 2 and the tables 6 and 7,
added DIE information.
26-Aug-2008
8
Added new output 1.5 V, modified: Table 4 on page 6, Table 5 on page 16 and
Table 6 on page 17.
18/19
Changes
RHFL4913XX15 - RHFLXX25 - RHFLXX33 - RHFLXX50
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