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FHR1200
Micro-Power, Ultra Wide Voltage Regulator
Features
Description
• Low Operating Current: 12 μA Max.
• Option to Direct Drive Feedback Pin
on PWM Controllers
• Programmable Output: 7.5 V to 100 V
• Wide Operating Temperature Range: -55°C to +150°C
• Output Voltage Accuracy: ±2%
• Excellent Output Voltage Compensation: -30 PPM/°C
• Sink Current Capability: 10 μA to 50 mA
• Small Package: SC70-6 (SOT363)
The FHR1200 is a high-efficiency regulator that outperforms the typical shunt regulator in applications where
low operating power, wide temperature, and wide voltage
range is important. The regulator also features better stability and faster response than many existing regulators.
Unlike the LM431 type of part, the FHR1200 can directly
drive a power supply controller thus saving parts count
and circuit complexity in many applications. This also
makes the FHR1200 ideal for non-isolated secondary
side, primary side, and floating regulation. Non-isolated
secondary side regulation saves the cost of OPTOs and
simplifies the power supply design.
Applications
• Primary-Side Regulation in Flyback SMPS
• Secondary-Side Regulation in Flyback SMPS
• High Input Voltage SMPS
o Smart Meter
o Industrial Motor Control
o Wireless Infrastructure
• Industrial and Street Lighting LED Power Supplies
The FHR1200 is very flexible and can be used in many
diverse applications. For example: VCC regulators to
>100 volts, small additional auxiliary power supplies, programmable precision zener diodes (both high and low
power), plus numerous analog circuits.
The FHR1200 is packaged in space-saving surfacemount SC70-6 (SOT363) to minimize layout space and
cost.
Typical Application
VAC
IN
CAPACITORS
and
BALANCE
INPUT
RECTIFIERS
PWM
CONTROLLER
+
C3
VDC
OUT
TRANSISTOR
SWITCH
FB
FHR1200
OPTOCOUPLER
Figure1. Flyback Power Supply Secondary-Side Regulation
Ordering Information
Part Number
Top Mark
Package
Packing Method
Remarks
FHR1200
FH
SC70-6 (SOT363)
Tape and Reel
3000 pcs, Reel Size is 7"
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
www.fairchildsemi.com
1
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
February 2014
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Block Diagram
A
E
1
6
B
C
C
N.C
2
5
B
K
3
4
A
K
Pin1
SC70-6
N.C
E
Figure 3. Device Package
Figure 2. Internal Connection
Pin Definitions
Pin #
Pin Name
1
E
Description
2
N.C
3
K
Reference Voltage
4
A
Ref Bias Pin: Tie R4 to ground to bias; Tie cap to ground for lower noise
Ground Connection
No Connection
5
B
Reference Bias Pin
6
C
Regulator Output
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted.
Symbol
Value
Unit
VOUT
Regulator Output
100
V
IBIAS
Cathode Current
50
mA
227
mW
-55 to +150
°C
PD
TJ, TSTG
Parameter
Power Dissipation
TA = 25°C
Operating and Storage Junction Temperature Range
Thermal Characteristics(1)
Symbol
Value
Unit
RθJA
Thermal Resistance, Junction to Air
Parameter
550
°C/W
ΨJB
Junction to Board Thermal Characterization Parameter
370
°C/W
Note:
1. PCB Board Size: FR4 76 x 114 x 0.6 T mm3 (3.0 inch x 4.5 inch x 0.062 inch) with minimum land pattern size.
ΨJB test method: T-36 gauge thermocouple is soldered directly to the collector lead pin about 1 mm distance
from package lead.
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
www.fairchildsemi.com
2
Values are at TA = 25°C unless otherwise noted.
Symbol
VREF
TCVREF
ΔVREF/
ΔVOUT
ΔIZ/ΔT
SR
Reference Voltage
(Zener + Base Emitter
Voltage)
Temperature
Coefficient(2)
VOUT = VREF,
Fig. 4,
Accuracy =
±2%,
Ratio of the Change in
Reference Voltage to the
Change in Cathode
Voltage
Fig. 5, VCC = VOUT + 20 V,
IZ = 25μA,
VOUT = VREF +75V,
R5 = ∞ (3)
R3 = 49.9 kΩ , IREF = 1 μΑ,
R4 = 23.2 kΩ , ICC = 200 μΑ
Min.
TA = 0 to
R3 = 49.9 kΩ , IREF = 1 μA,
+100°C
R4 = 9.53 kΩ , ICC = 200 μA,
TA = -40 to
IZ = 60 μA, VCC = 10 V
+125°C
Output Impedance
Fig. 4, VOUT = VREF,
VCC = 15.4 | 19.4 V,
IZ = 25 μA, f = 0 Hz,
R5 = ∞ (5)
Output Noise Voltage(6)
VOUT = VREF, Fig. 6,
ICC = 1.0 mA, VCC = 17.3 V,
VREF= 7.35 V, IZ=25 μA,
R3 = 15.00 kΩ ,
R4 = 28.7 kΩ ,
f = 400 Hz to 100 KHz
Typ. Max.
7.115 7.260 7.405
R3 = 100 kΩ , R2 = 53.6 kΩ ,
R1 = 0 | 499 kΩ ,
R4 = 23.2 kΩ ,
ICC = 200 μA, IREF = 150 μA
Z
ΔVREF/
ΔICC
GBW
(3db)
Conditions
VOUT = VREF, Fig. 4,
VCC = 17.3 V,
Accuracy = ±2%,
IZ = 25 μA
Reference Input Current ICC = 1.0 mA, Fig. 5, VCC = 17.3 V,
R1 = 10.0 kΩ , R2 = ∞ , R3 = 100 kΩ , R4 = 499 kΩ ,
Deviation of Reference
R5 = ∞ (4)
I Over Temperature
IZ
en
Parameter
ICC = 160 | 240 μA,
R3 = 49.9 kΩ , R4 = 23.2 kΩ
CN = n/a, CL = n/a
Units
V
29
PPM/°C
57
0.024 0.200
7.7
12.0
μA
μA/°C
5.45
154
mV/V
300
Ω
141.0
CN = 0.1 μF, CL = n/a
8.1
CN = n/a, CL = 0.1 μF
57
CN = 0.1 μF, CL = 0.1 μF
8.0
μVrms
ICC = 1.0 mA, VCC = 27 VDC, VIN = 2 Vp-p,
IB1 = 5 μA, IZ = 25 μA, CG,CL = ∞ , CN = 0.1 μF,
Gain Bandwidth Product
R1 = 23.2 kΩ , R2 = 39.2 kΩ , R3 = 15 kΩ , R4 = 28.7 kΩ ,
R5 = 22 kΩ , VOUT = 12 V, IREF = 200 μA, Gain = -1, Fig. 7
4.47
MHz
ICC = 1.0 mA, VCC = 27 VDC, VIN = 2 Vp-p,
IB1 = 5 μA, IZ = 25 μA, CG,CL = ∞ , CN = 0.1 μF,
R1 = 23.2 kΩ , R2 = 39.2 kΩ , R3 = 15 kΩ , R4 = 28.7 kΩ ,
R5 = 22 kΩ , VOUT = 12 V, IREF = 200 μA, Gain = -1, Fig. 7
18.8
V/μs
Slew Rate
Notes:
2. The deviation parameters VREF(dev) and IREF(dev) are defined as the differences between the maximum and
minimum values obtained over the rated temperature range. The average full-range temperature coefficient of the
reference input voltage, TCVREF, is defined as:
(
VREF(dev)
6
VREF (TA=25°C) * 10
)
(TA): Ambient Temperature
ppm
)=
VREF(dev): VREF deviation over full temperature range
°C
ΔT
where ΔT is the rated operating free-air temperature range of the device.
TCVREF can be positive or negative, depending on whether minimum VREF or maximum VREF, respectively, occurs at
the lower temperature.
VREF1 - VREF2
3.
ΔVREF
= ABS
VOUT1 - VOUT2
ΔVOUT
TCVREF|(
4.
5.
IZ=
ZOUT=
VREF - VOUT
R1
VREF2 - VREF1
ICC2 - ICC1
6. For testing: a) hfe typical ~200; b) all resistors are metal film; c) all capacitors are plastic film.
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
www.fairchildsemi.com
3
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Electrical Characteristics
Icc
Iz
IBIAS
6
3
R3
4
IBIAS
R1
CC R5
IREF
Iz
Q1
4
IB1
VBE
VREF
R4
R2
VOUT
+
Q1
5
1
VBE
R3
D1
VREF
FHR1200
+
6
3
VIN
D1
5
VCC
Icc
IREF
VCC
FHR1200
1
R4
VOUT=VREF(1+R1/R2)+(Iz*R1)
Figure 5. Test Configured: VREF < VOUT
Figure 4. Test Configured: VREF = VOUT
Icc
Icc
Iz
IREF
IBIAS
R1
R3
3
CN
4
Q1
5
VCC
CC
D1
IREF
CL
Iz
CN
4
6
VREF
R2
VBE
R3
D1
CL
IB1
Q1
5
1
VBE
R5
VREF
FHR1200
+
3
VIN
6
IBIAS
CG
VCC
FHR1200
R4
VOUT
+
1
R4
VOUT=VREF(1+R1/R2)+(Iz*R1)
Figure 6. Test Configured: VREF = VOUT
with Capacitance
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
Figure 7. Test Configured: VREF < VOUT
with Capacitance
www.fairchildsemi.com
4
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Test Circuit
7.4
Icc
Iz
IBIAS
3
R3
D1
4
IREF
5
V CC
7.3
Reference Voltage, VREF[V]
6
V REF
Q1
FHR1200
+
1
V BE
7.2
ICC = 1 mA
7.1
ICC = 200 μA
7.0
R4
IZ = 25 μA, R3 = 49.9 K
R4 = 23.2 K for ICC = 200 μA
R4 = 28.7 K for ICC = 1 mA
6.9
-60
-40
-20
0
20
40
60
80
100 120
140 160
o
Ambient Temperature, TA [ C]
Figure 9. Reference Voltage vs. Ambient
Temperature (Fixed Value R4, IZ ~ 25 μA at 25oC)
7.4
7.4
7.3
7.3
Reference Voltage, VREF[V]
Reference Voltage, VREF[V]
Figure 8. Test Diagram: VREF = VOUT
(Fixed Value of R4)
7.2
ICC = 1 mA
ICC = 200 μA
7.1
7.0
IZ = 40 μA, R3 = 49.9 K
7.2
7.0
-20
0
IZ = 60 μA, R3 = 49.9 K
R4 = 9.53 K for ICC = 200 μA
R4 = 16.5 K for ICC = 1 mA
-40
ICC = 200 μA
7.1
R4 = 14.3 K for ICC = 200 μA
6.9
-60
ICC = 1 mA
R4 = 10.7 K for ICC = 1 mA
20
40
60
80
100 120
6.9
-60
140 160
o
-40
-20
0
20
40
60
80
100 120 140 160
o
Ambient Temperature, TA [ C]
Ambient Temperature, TA [ C]
Figure 11. Reference Voltage vs. Ambient
Temperature (Fixed Value R4, IZ ~ 60 μA at 25oC)
Figure 10. Reference Voltage vs. Ambient
Temperature (Fixed Value R4, IZ ~ 40 μA at 25oC)
7.6
Reference Voltage, VREF[V]
IZ = 1 μA IZ = 2 μA
IZ = 10 μA
IZ = 5 μA
IZ = 25 μA
7.4
7.2
7.0
6.8
6.6
R3 = 100 K
IZ = 1 μA for R4 = 562 K
IZ = 2 μA for R4 = 287 K
6.4
IZ = 5 μA for R4 = 113 K
IZ = 10 μA for R4 = 56.2 K
IZ = 25 μA for R4 = 22.6 K
6.2
0
20
40
60
80
100
IBIAS [μA]
Figure 12. Minimum Cathode Current for Regulation
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
www.fairchildsemi.com
5
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Typical Characteristics: VREF
Figure 13. DC Current Gain vs. Collector Current
Figure 14. Common Emitter Output Characteristics
Figure 15. Collection-Emitter Saturation Voltage vs.
Collector Current
Figure 16. Typical Forward Voltage
Figure 17. Typical Temperature Coefficient as
Function of Working Current
Figure 18. Zener Voltage vs. Applied Current
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
www.fairchildsemi.com
6
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Typical Characteristics (Continued)
r(t), Normalized Transient Thermal Resistance
Total Power Dissipation, PD[mW]
300
250
200
150
100
50
0
0
25
50
75
100
125
150
D=1%
2%
0.1
Rthja(t)=r(t)*Rthja
o
Rthja=550 C/W
5%
10%
0.01
30%
50%
1E-3
Single Pulse
1E-4
1E-5
1E-4
1E-3
0.01
0.1
1
10
100
t1, time(sec)
o
Ambient Temperature, T A [ C]
Figure 20. Transient Thermal Resistance
Figure 19. Power Derating
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
1
www.fairchildsemi.com
7
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Typical Characteristics (Continued)
VAC
IN
CAPACITORS
AND
BALANCE
INPUT
RECTIFIERS
VDC
OUT
VBIAS
VBIAS
VCC
PWM
CONTROLLER
TRANSISTOR
SWITCH
FB
FHR1200
Figure 21. Flyback Power Supply Primary-Side Regulation
C A P A C IT O R S
an d
BALAN CE
IN P U T
R E C T IF IE R S
PW M
C O NTR O LLER
T R A N S IS T O R S
S W IT C H
FB
FH R1200
Figure 22. Flyback Power Supply Non-Isolated Secondary-Side Regulation
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
www.fairchildsemi.com
8
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Typical Applications (Continued)
FHR1200 — Micro-Power, Ultra Wide Voltage Regulator
Physical Dimensions
SC70-6 (SOT363)
SYMM
C
L
2.00±0.20
0.65
A
0.50 MIN
6
4
B
PIN ONE
1.25±0.10
1
1.90
3
0.30
0.15
(0.25)
0.40 MIN
0.10
0.65
A B
1.30
LAND PATTERN RECOMMENDATION
1.30
1.00
0.80
SEE DETAIL A
1.10
0.80
0.10 C
0.10
0.00
C
2.10±0.30
SEATING
PLANE
NOTES: UNLESS OTHERWISE SPECIFIED
GAGE
PLANE
(R0.10)
0.25
0.10
0.20
A) THIS PACKAGE CONFORMS TO EIAJ
SC-88, 1996.
B) ALL DIMENSIONS ARE IN MILLIMETERS.
C) DIMENSIONS DO NOT INCLUDE BURRS
OR MOLD FLASH.
D) DRAWING FILENAME: MKT-MAA06AREV6
30°
0°
0.46
0.26
SCALE: 60X
Figure 23. 6-Lead, SC-70, EIAJ SC-88, 1.25 MM WIDE
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the
warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/MA/MAA06A.pdf.
For current tape and reel specifications, visit Fairchild Semiconductor’s online packaging area:
http://www.fairchildsemi.com/packing_dwg/PKG-MAA06A.pdf.
© 2013 Fairchild Semiconductor Corporation
FHR1200 Rev. 1.0.1
www.fairchildsemi.com
9
TRADEMARKS
The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not
intended to be an exhaustive list of all such trademarks.
AccuPower¥
AX-CAP®*
BitSiC¥
Build it Now¥
CorePLUS¥
CorePOWER¥
CROSSVOLT¥
CTL¥
Current Transfer Logic¥
DEUXPEED®
Dual Cool™
EcoSPARK®
EfficientMax¥
ESBC¥
F-PFS¥
FRFET®
SM
Global Power Resource
GreenBridge¥
Green FPS¥
Green FPS¥ e-Series¥
Gmax¥
GTO¥
IntelliMAX¥
ISOPLANAR¥
Making Small Speakers Sound Louder
and Better™
MegaBuck¥
MICROCOUPLER¥
MicroFET¥
MicroPak¥
MicroPak2¥
MillerDrive¥
MotionMax¥
mWSaver®
OptoHiT¥
OPTOLOGIC®
OPTOPLANAR®
®
Fairchild®
Fairchild Semiconductor®
FACT Quiet Series¥
FACT®
FAST®
FastvCore¥
FETBench¥
FPS¥
Sync-Lock™
®
PowerTrench®
PowerXS™
Programmable Active Droop¥
QFET®
QS¥
Quiet Series¥
RapidConfigure¥
¥
Saving our world, 1mW/W/kW at a time™
SignalWise¥
SmartMax¥
SMART START¥
Solutions for Your Success¥
SPM®
STEALTH¥
SuperFET®
SuperSOT¥-3
SuperSOT¥-6
SuperSOT¥-8
SupreMOS®
SyncFET¥
®*
TinyBoost®
TinyBuck®
TinyCalc¥
TinyLogic®
TINYOPTO¥
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TinyPWM¥
TinyWire¥
TranSiC¥
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TRUECURRENT®*
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Ultra FRFET¥
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XS™
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No Identification Needed
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